{"title":"Phthalonitriles [Phthalocyanine Building Blocks]","description":"\u003cp\u003e\u003cstrong\u003ePhthalonitriles [Phthalocyanine Building Blocks]\u003c\/strong\u003e — berisi turunan ftalonitril tersubstitusi—dengan gugus halogen, alkoksi, alkil, atau amino pada cincin aromatik—yang menjadi blok bangun utama pembentukan cincin ftalosianin melalui reaksi siklotetramerisasi. Pola substitusi pada tiap senyawa menentukan sifat elektronik dan kelarutan produk akhir.\u003c\/p\u003e\u003cp\u003ePhthalonitriles [Phthalocyanine Building Blocks] dipakai peneliti kimia material dan fotokimia untuk mensintesis ftalosianin dan turunannya melalui reaksi dengan garam logam atau basa kuat pada suhu tinggi. Senyawa seperti tetrakloroftalonitril dan tetrafluoroftalonitril menghasilkan ftalosianin terhalogenasi untuk aplikasi optoelektronik, sementara turunan alkoksi atau amino seperti 4-butoksiftalonitril memungkinkan modifikasi kelarutan dan fungsionalisasi lanjutan pada cincin makrosiklik.\u003c\/p\u003e\u003cp\u003eContoh produk dalam koleksi ini: \u003ca href=\"\/en\/products\/tci2510t306754589\"\u003eTCI T3067 1953-99-7 Tetrachlorophthalonitrile\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510c116315603\"\u003eTCI C1163 83482-57-9 4-(4-alpha-Cumylphenoxy)phthalonitrile\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510t140252558\"\u003eTCI T1402 1835-65-0 Tetrafluorophthalonitrile\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510d161021425\"\u003eTCI D1610 4733-50-0 2,3-Dicyanohydroquinone\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510b550912156\"\u003eTCI B5509 70484-01-4 4-Bromophthalonitrile\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510d198321991\"\u003eTCI D1983 221302-75-6 4-(2',6'-Dimethylphenoxy)phthalonitrile\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510b13536602\"\u003eTCI B1353 81560-32-9 4-Butoxyphthalonitrile\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510d207922125\"\u003eTCI D2079 57500-34-2 1,3-Diiminoisoindoline\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003ePerhatikan posisi dan jenis substituen pada cincin aromatik, tingkat kemurnian kristal, serta kondisi penyimpanan bebas kelembapan karena memengaruhi hasil siklisasi menjadi ftalosianin. Seluruh produk merupakan produk asli Tokyo Chemical Industry (TCI) Jepang, dengan kemurnian, kemasan, dan kondisi penyimpanan tercantum pada halaman masing-masing item.\u003c\/p\u003e\u003cp\u003eKategori lain yang sejajar di bawah Phthalocyanine Building Blocks, sering dipakai bersamaan dalam satu alur kerja laboratorium:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l4-dicyanopyrazines-and-analogs-phthalocyanine-building-blocks\"\u003eDicyanopyrazines and Analogs [Phthalocyanine Building Blocks]\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l4-naphthalonitriles-phthalocyanine-building-blocks\"\u003eNaphthalonitriles [Phthalocyanine Building Blocks]\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eKembali ke \u003ca href=\"\/en\/collections\/tci-l3-phthalocyanine-building-blocks\"\u003ePhthalocyanine Building Blocks\u003c\/a\u003e. Untuk pengadaan volume besar, kemasan khusus, atau grade tertentu, hubungi tim AMI Scientific — distributor resmi TCI Japan di Indonesia — untuk pengecekan ketersediaan dan lead time langsung ke Jepang.\u003c\/p\u003e","products":[{"product_id":"tci2510c116315603","title":"TCI C1163 83482-57-9 4-(4-alpha-Cumylphenoxy)phthalonitrile","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e4-(4-α-Cumylphenoxy)phthalonitrile (TCI C1163, CAS 83482-57-9) is a phthalocyanine precursor carrying a bulky cumylphenoxy substituent. Cyclotetramerisation of four such units gives peripherally substituted phthalocyanines whose bulky groups suppress aggregation and improve solubility in organic solvents. Such soluble macrocycles are valuable for near-infrared dyes, photosensitizers, and solution-processed organic semiconductor films. Available in 1 g and 5 g research packs, the solid should be weighed in a ventilated area and stored sealed, cool, dry, and protected from light.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48086053650650,"sku":"TCI2510C116315603","price":3345000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48086053683418,"sku":"TCI2510C116315604","price":11159000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510C1163.jpg?v=1768816439"},{"product_id":"tci2510d161021425","title":"TCI D1610 4733-50-0 2,3-Dicyanohydroquinone","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e2,3-Dicyanohydroquinone (DCHQ) is a chemical compound widely used as a building block in the synthesis of complex molecules. In laboratory settings, it plays a crucial role in various chemical reactions, especially in the production of heterocyclic compounds and other organic substances. Its unique molecular structure, featuring two cyanide groups attached to a carbon atom, contributes to its high reactivity under different experimental conditions. This reactivity makes it a valuable tool for chemists seeking to develop new compounds with specific applications in pharmaceuticals and materials science.\u003c\/p\u003e\n\u003cp\u003eDCHQ is preferred due to its chemical stability under controlled conditions and its ability to react under high temperatures or with strong solvents. These properties allow it to be a reliable choice for reactions requiring precise control and high reactivity. Additionally, its good solubility in organic solvents simplifies mixing and synthesis processes, making it a practical option for researchers. This combination of stability and reactivity ensures that DCHQ remains a key component in many synthetic pathways.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, DCHQ is commonly used in organic chemistry research and development. Its versatility and effectiveness in various synthetic processes make it a popular choice among scientists working on drug discovery, material synthesis, and other advanced chemical applications. The compound’s reliability and performance under controlled conditions further enhance its appeal in both academic and industrial research environments.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOrganic synthesis for the creation of heterocyclic compounds due to its reactive cyanide groups and structural versatility.\u003c\/li\u003e\n\u003cli\u003ePharmaceutical research for developing new drug molecules that require precise chemical modifications and functional group introduction.\u003c\/li\u003e\n\u003cli\u003eMaterial science applications in the synthesis of advanced polymers and functional materials through controlled chemical reactions.\u003c\/li\u003e\n\u003cli\u003eAnalytical chemistry for use as a reagent in spectroscopic and chromatographic analyses due to its distinct chemical properties.\u003c\/li\u003e\n\u003cli\u003eEducational purposes in teaching organic chemistry concepts and reaction mechanisms through hands-on experimentation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 4733-50-0\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Non-Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: Available in various quantities as per supplier specifications\u003c\/li\u003e\n\u003cli\u003ePhysical form: Solid\u003c\/li\u003e\n\u003cli\u003eStorage note: Store in a cool, dry place away from direct sunlight and incompatible materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eThis compound should be stored in a cool, dry environment to maintain its chemical stability. It is recommended to use airtight containers to prevent exposure to moisture and air, which may affect its reactivity. Due to its potential reactivity under certain conditions, it should be kept away from strong oxidizing agents and incompatible substances. Laboratory personnel should wear appropriate personal protective equipment, such as gloves and safety goggles, when handling this material. Proper ventilation is essential to minimize inhalation risks. Regular monitoring of storage conditions ensures the compound remains in optimal condition for use in research applications.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"25g","offer_id":48086450602202,"sku":"TCI2510D161021425","price":2924000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510D1610.jpg?v=1769180535"},{"product_id":"tci2510d198321991","title":"TCI D1983 221302-75-6 4-(2',6'-Dimethylphenoxy)phthalonitrile","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e4-(2',6'-Dimethylphenoxy)phthalonitrile is a chemical compound widely used as a building block in the synthesis of complex organic molecules. This compound contains both nitrile and phenyl groups, which enable it to participate in various chemical reactions such as substitution, condensation, and electrophilic reactions. Its structural versatility makes it a valuable tool for chemists seeking to construct molecules with specific functional groups. In laboratory settings, it serves as a foundational material for the development of new compounds in organic chemistry and pharmaceutical research.\u003c\/p\u003e\n\u003cp\u003eThe compound is known for its chemical stability and solubility in organic solvents, which are essential properties for its use in synthetic processes. These characteristics make it a preferred choice for researchers aiming to achieve consistent and reproducible results in their experiments. Its non-heterocyclic nature further simplifies the synthesis of target molecules without introducing unwanted side reactions. This reliability and predictability are key factors in its widespread application across various scientific fields.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, 4-(2',6'-Dimethylphenoxy)phthalonitrile is commonly used in academic and research institutions. It is particularly favored in organic chemistry and pharmaceutical research due to its ability to form complex molecular structures. Its availability and performance make it an essential component in the chemical supply chain supporting scientific innovation in Indonesia.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOrganic synthesis applications benefit from this compound's reactivity and structural versatility, allowing the creation of complex molecules with high precision.\u003c\/li\u003e\n\u003cli\u003ePharmaceutical research utilizes it as a building block for developing new drug compounds, leveraging its chemical stability and solubility.\u003c\/li\u003e\n\u003cli\u003eAcademic research institutions use it in teaching and experimental settings to demonstrate synthetic techniques and molecular construction.\u003c\/li\u003e\n\u003cli\u003eIndustrial chemical processes incorporate it due to its reliability in producing consistent results in large-scale synthesis.\u003c\/li\u003e\n\u003cli\u003eAnalytical chemistry labs use it as a reference standard for testing and validating synthetic pathways and reaction mechanisms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 221302-75-6\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Non-Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: Available in various quantities as per standard laboratory supply specifications\u003c\/li\u003e\n\u003cli\u003ePhysical form: Solid, typically in crystalline or powder form\u003c\/li\u003e\n\u003cli\u003eStorage note: Store in a cool, dry place away from moisture and direct sunlight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eThis compound should be stored in a cool, dry environment to maintain its chemical stability and prevent degradation. It is recommended to use airtight containers to protect it from moisture and air exposure. Due to its reactivity, it should be handled in a well-ventilated area, preferably under a fume hood. Avoid contact with incompatible substances such as strong acids or bases. Always wear appropriate personal protective equipment, including gloves and safety goggles, when handling this material. Proper storage and handling ensure the compound remains effective and safe for use in laboratory applications.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48086486941914,"sku":"TCI2510D198321991","price":2784000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48086486974682,"sku":"TCI2510D198321992","price":8882000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510D1983.jpg?v=1769144008"},{"product_id":"tci2510d218922282","title":"TCI D2189 139152-08-2 4,5-Dichlorophthalonitrile","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e4,5-Dichlorophthalonitrile is a chemical compound widely used as a building block in the synthesis of complex organic compounds. Its reactive nitrile group makes it a versatile reagent in substitution reactions and other laboratory processes. This compound plays a crucial role in organic chemistry, serving as a key component in the development of heterocyclic compounds, pesticides, and industrial chemicals. Its ability to participate in various chemical reactions due to its high reactivity and functional group compatibility makes it a valuable resource for researchers.\u003c\/p\u003e\n\u003cp\u003eThe compound's high reactivity and functional group versatility make it a preferred choice for synthetic chemists. The presence of chlorine atoms at positions 4 and 5 introduces variability in its reactivity and reaction pathways, enabling a wide range of chemical transformations. Its stable molecular structure ensures consistent performance in laboratory settings, while its solid form facilitates easy handling and storage. These properties make it a reliable and efficient reagent for both academic and industrial applications.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, 4,5-Dichlorophthalonitrile is commonly used in organic chemistry research, particularly in the synthesis of new chemical compounds and the development of synthetic materials. Its availability and chemical stability make it a popular choice among researchers and students. It is frequently employed in both academic and industrial research settings, supporting a variety of chemical investigations and innovations.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOrganic synthesis of heterocyclic compounds due to its reactive nitrile group and chlorine substituents.\u003c\/li\u003e\n\u003cli\u003eDevelopment of pesticide formulations through its ability to undergo substitution reactions and functional group modifications.\u003c\/li\u003e\n\u003cli\u003eIndustrial chemical production as a building block for creating complex organic molecules with specific functionalities.\u003c\/li\u003e\n\u003cli\u003eResearch in synthetic chemistry for the creation of new materials and pharmaceutical intermediates.\u003c\/li\u003e\n\u003cli\u003eEducational purposes in teaching organic reaction mechanisms and functional group reactivity in laboratory settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 139152-08-2\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Non-Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: Available in standard laboratory quantities\u003c\/li\u003e\n\u003cli\u003ePhysical form: Solid\u003c\/li\u003e\n\u003cli\u003eStorage note: Store in a cool, dry place away from light and moisture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003e4,5-Dichlorophthalonitrile should be stored in a cool, dry environment, away from direct light and moisture. It is recommended to use airtight containers to prevent exposure to air and humidity. Due to its reactivity, it should be handled with care in a well-ventilated laboratory setting. Protective gloves and safety goggles should be worn during handling to ensure personal safety. The compound is not flammable but may react with strong acids or bases, so appropriate safety measures should be followed. Proper storage and handling are essential to maintain its chemical stability and ensure safe laboratory practices.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48086502899930,"sku":"TCI2510D218922282","price":3486000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510D2189.jpg?v=1768817596"},{"product_id":"tci2510d223722353","title":"TCI D2237 161082-75-3 4-Dodecyloxyphthalonitrile","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e4-Dodecyloxyphthalonitrile is a chemical compound widely used as a building block in the synthesis of complex molecules. It plays a crucial role in laboratory settings where the development of new compounds is required, particularly in research and industrial applications. This compound is valued for its versatility and ability to participate in various chemical reactions, enabling the construction of more intricate molecular structures. Its presence in chemical synthesis allows scientists to explore new pathways and create compounds with specific functional properties.\u003c\/p\u003e\n\u003cp\u003eThe compound is preferred due to its excellent solubility in organic solvents and high reactivity under different chemical conditions. These properties make it a reliable choice for laboratory use, as it can be easily incorporated into synthetic processes without compromising the integrity of the final product. Additionally, its stability under certain conditions ensures consistent results and simplifies storage and handling. This combination of solubility, reactivity, and stability makes it a valuable asset in chemical research.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, 4-Dodecyloxyphthalonitrile is commonly used in chemical research, especially in academic and scientific institutions. Its role in creating complex molecular structures is essential for advancing research in various fields, including pharmaceuticals and materials science. The compound's reliability and performance make it a preferred choice for researchers seeking consistent and reproducible results in their experiments.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChemical synthesis of complex molecules where structural diversity and functional group modification are required.\u003c\/li\u003e\n\u003cli\u003eDevelopment of new pharmaceutical compounds through tailored molecular architectures and reactivity.\u003c\/li\u003e\n\u003cli\u003eResearch in materials science for the creation of polymers and specialty chemicals with specific properties.\u003c\/li\u003e\n\u003cli\u003eEducational purposes in academic institutions for teaching synthetic chemistry and molecular design.\u003c\/li\u003e\n\u003cli\u003eIndustrial applications in the formulation of specialty chemicals and advanced chemical intermediates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 161082-75-3\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Non-Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: Available in standard laboratory quantities\u003c\/li\u003e\n\u003cli\u003ePhysical form: Solid\u003c\/li\u003e\n\u003cli\u003eStorage note: Store in a cool, dry place away from light and moisture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eThis compound should be stored in a cool, dry environment, away from direct light and moisture to maintain its stability and purity. It is recommended to use airtight containers made of glass or high-density polyethylene to prevent contamination and degradation. Due to its reactivity, it should be handled in a well-ventilated area, and appropriate personal protective equipment should be worn when working with it. The compound is not classified as hazardous under standard laboratory conditions, but standard safety protocols should be followed to ensure safe handling and storage. Proper labeling and storage conditions will help maintain its effectiveness and usability in laboratory applications.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48086506176730,"sku":"TCI2510D223722353","price":1603000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48086506209498,"sku":"TCI2510D223722354","price":4807000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510D2237.jpg?v=1768817607"},{"product_id":"tci2510d396324402","title":"TCI D3963 134450-56-9 4,5-Difluorophthalonitrile","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e4,5-Difluorophthalonitrile is a phthalocyanine building block: a phthalonitrile derivative carrying two fluorine atoms at the 4 and 5 positions of the benzene ring. In materials science and organic chemistry laboratories, this compound serves as a primary starting material for constructing the phthalocyanine ring through cyclotetramerisation reactions, yielding either metal-free phthalocyanines or complexes with a range of metal ions. Beyond that route, the two fluorine atoms — activated by the adjacent nitrile groups — also open a nucleophilic aromatic substitution pathway, allowing phenoxy, thiophenoxy, or amine groups to be introduced before the cyclisation step is carried out.\u003c\/p\u003e\n\u003cp\u003eThe characteristics that make this compound a preferred choice are the combination of two neighbouring nitrile groups that assemble the macrocyclic ring and two fluorine atoms that are highly reactive toward nucleophiles. The strongly electron-withdrawing nitrile groups activate the fluorine positions, so displacement can proceed under relatively mild conditions without damaging the molecular framework. The presence of fluorine in the final product lowers the electron density of the phthalocyanine ring, shifting its electrochemical behaviour and absorption spectrum, while also improving chemical stability and the tendency of the material toward n-type semiconductor character.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this building block is typically used in university and institutional research groups working on functional dyes, organic semiconductors, and macrocyclic chemistry. It is normally handled at small synthetic scale on a laboratory bench or in a fume hood, weighed out for cyclotetramerisation or substitution experiments, and stored between runs as part of a broader collection of phthalonitrile precursors used for preparing substituted phthalocyanines and comparing their optical and electronic properties.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePhthalocyanine synthesis — the two adjacent nitrile groups undergo cyclotetramerisation to close the macrocyclic ring, giving direct access to metal-free phthalocyanines in a single preparative step.\u003c\/li\u003e\n\u003cli\u003eMetallophthalocyanine preparation — cyclotetramerisation carried out in the presence of metal ions produces metal complexes, letting researchers vary the central metal while keeping the fluorinated periphery constant.\u003c\/li\u003e\n\u003cli\u003eNucleophilic aromatic substitution chemistry — the nitrile-activated fluorine atoms are readily displaced by phenoxy, thiophenoxy, or amine nucleophiles, so peripheral groups can be installed before the cyclisation step.\u003c\/li\u003e\n\u003cli\u003eOrganic semiconductor research — fluorination lowers ring electron density and favours n-type semiconducting behaviour, making derivatives from this precursor useful for studying electron-transporting organic materials.\u003c\/li\u003e\n\u003cli\u003eElectrochemical and spectroscopic studies — because fluorine substitution shifts both redox behaviour and absorption spectra, this building block supports systematic comparison of substituent effects across phthalocyanine series.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eProduct code: D3963\u003c\/li\u003e\n\u003cli\u003eCAS number: 134450-56-9\u003c\/li\u003e\n\u003cli\u003eChemical name: 4,5-Difluorophthalonitrile\u003c\/li\u003e\n\u003cli\u003eCategory: Materials Science \u0026gt; Material Building Blocks \u0026gt; Phthalocyanine Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: available in standard TCI laboratory research pack sizes; please confirm the currently listed packaging options when ordering\u003c\/li\u003e\n\u003cli\u003eStorage: store according to the conditions stated on the manufacturer's label and safety data sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eStore the container tightly closed in a cool, dry, well-ventilated area, away from direct sunlight, heat sources, moisture, and incompatible chemicals such as strong oxidising agents and strong bases. Keep the material in its original manufacturer container, or in a clean, chemically compatible and clearly labelled vessel if transferred. Handle and weigh the compound inside a fume hood, and wear appropriate personal protective equipment including safety goggles, chemical-resistant gloves, and a laboratory coat. Avoid inhalation of dust and direct contact with skin or eyes. Reseal the container promptly after use to limit moisture uptake, and always consult the manufacturer's safety data sheet before handling or disposal.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48086648291546,"sku":"TCI2510D396324402","price":2784000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48086648324314,"sku":"TCI2510D396324403","price":8769000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510D3963.jpg?v=1769141934"},{"product_id":"tci2510d432924895","title":"TCI D4329 129365-93-1 4,5-Diaminophthalonitrile","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI D4329 4,5-Diaminophthalonitrile is a specialised synthetic intermediate that carries two adjacent nitrile groups on a benzene ring together with two amino groups at the 4 and 5 positions. This combination makes it a highly valuable phthalocyanine building block. The ortho-dinitrile group is the starting point for the cyclotetramerisation reaction that forms the phthalocyanine macrocycle, while the diamino pair provides condensation sites for constructing fused rings such as pyrazine, quinoxaline, or imidazole before the macrocycle is assembled.\u003c\/p\u003e\n\u003cp\u003eThe property that makes this compound the material of choice is a synthetic flexibility rarely found in comparable intermediates. The amino groups are strong electron donors, so the aromatic ring becomes electron rich; this influences the colour, the orbital energy levels, and the photophysical behaviour of the final macrocycle, including a shift of absorption toward longer wavelengths. The two neighbouring amino groups also allow extended conjugated systems to be formed, opening a route to fused phthalocyanines with tunable optical properties. 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Indonesia.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48087237198042,"sku":"TCI2510H081333498","price":2222000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48087237230810,"sku":"TCI2510H081333499","price":6718000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510H0813.jpg?v=1768360668"},{"product_id":"tci2510i105036391","title":"TCI I1050 69518-17-8 4-Iodophthalonitrile","description":"\u003cp\u003e\u003cstrong\u003e4-Iodophthalonitrile\u003c\/strong\u003e (CAS 69518-17-8) is a high-quality chemical from TCI, supplied as \u003cstrong\u003eGC Grade \/ for Synthesis\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Synthesis reagent for a wide range of organic chemistry transformations in laboratory and industrial 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