2,3,6,7-Naphthalenetetracarboxylic 2,3:6,7-Dianhydride TCI N1128

Chemical Identity

Other names: 2,3,6,7-NTCDA
CAS No.: 3711-01-1
PubChem: CID 10221019·SID 468592472
Formula: C14H4O6
Molecular weight: 268.18 g/mol
Purity: >97.0%(HPLC)(T)

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: [2]benzofuro[5,6-f][2]benzofuran-1,3,6,8-tetrone
SMILES: C1=C2C=C3C(=CC2=CC4=C1C(=O)OC4=O)C(=O)OC3=O
InChIKey: GIFXHNWKMSFJET-UHFFFAOYSA-N

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2,3,6,7-Naphthalenetetracarboxylic 2,3:6,7-Dianhydride is a chemical compound widely used as a building block in the synthesis of complex molecules. This compound plays a crucial role in laboratory settings where the creation of new chemical structures is required. Its unique molecular structure makes it an essential component in various synthetic processes, particularly in organic chemistry and polymer science. Due to its reactivity and versatility, it is frequently employed in research and development activities.

The compound's anhydride structure provides it with high reactivity, making it ideal for reactions such as esterification and coupling reactions. Its chemical stability under controlled conditions further enhances its utility in laboratory environments. These properties make it a preferred choice for chemists and researchers who require reliable and effective reagents. The compound's ability to participate in multiple chemical transformations also contributes to its widespread use in advanced chemical synthesis.

In Indonesian laboratories, this compound is commonly used in chemical research, especially in the fields of organic synthesis and polymer development. Its availability and consistent quality make it a trusted material for both academic and industrial research. The compound's versatility and reactivity ensure its continued relevance in various scientific applications within the region.

Advantages (TCI brochure)

Reacts with various diamines to form polyimides.
Highly reactive with amines, with higher degree of polymerization than 1,4,5,8-NTCDA.
Electron acceptor molecule that may form interesting derivatives for electronic materials after reaction with monoamines.

TCI brochures (PDF)

Polyimide Raw Material 2,3,6,7-NTCDA 2025-01-17 · p. 1
Raw Material for Synthesis of Polyimides and Acceptor Materials 1,2,5,6-NTCDA 2025-08-07 · p. 1
Naphthalene Tetracarboxylic Acid Dianhydride Derivatives 2025-07-16 · p. 1
Raw Material for Synthesis of Polyimides and Acceptor Materials 2,3,6,7-ATCDA 2025-06-19 · p. 1
Raw Material for Polyimides and COFs Mellitic Trianhydride 2026-09-14 · p. 1
Covalent Organic Framework (COF) Linkers 2026-05-18 · p. 6

Related TCI products

Organic synthesis is a key application where this compound is used to build complex molecular structures through its reactive anhydride groups.
Polymer development benefits from this compound's ability to form stable chemical bonds, aiding in the creation of high-performance materials.
Chemical research in Indonesian laboratories relies on this compound for its role in creating novel compounds with specific functional properties.
Industrial chemical processes utilize this compound due to its reactivity and compatibility with various synthetic pathways.
Advanced material science applications leverage this compound's structural versatility for the development of new materials with tailored properties.

From the TCI brochure

Polyimide synthesis with various diamines
Polyimide films with rigid structure
Derivatives for electronic materials after reaction with monoamines

Brand	TCI
CAS number	3711-01-1
Molecular formula	—
Purity	—
Category	Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
Pack sizes	Available in various quantities as per supplier specifications
Physical form	Solid
Storage	Store in a cool, dry place away from moisture and direct sunlight

Data from the TCI brochure

Glass transition temperature of polyimide film	over 400°C
Coefficient of thermal expansion of polyimide film	low (no numeric value stated)

Source: TCI brochure FF120 (2025-01-17)

This compound should be stored in a cool, dry environment to maintain its chemical stability. It is recommended to keep it in a sealed container to prevent exposure to moisture and air. Due to its reactivity, it should be handled in a well-ventilated area, and appropriate personal protective equipment should be worn. Avoid contact with incompatible materials such as strong acids or bases. The compound should not be stored near heat sources or in direct sunlight. Regular inspection of storage conditions is advised to ensure the integrity of the material.

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