Collection: Photochromic Dyes

Photochromic Dyes — encompasses photochromic compounds such as azobenzenes, diarylethenes, hexaarylbiimidazoles, and spiropyrans that can reversibly change structure and color when exposed to light of specific wavelengths. This optical switching property makes them a base material for developing photonic materials and light-based information storage.

Photochromic Dyes are used by photonic materials researchers and supramolecular chemists to design molecular switches, optical sensors, and UV-protective layers that change color reversibly. Cyclized diarylethenes are used in optical data storage and molecular logic, while alkyl-chain-modified azobenzenes are used in studies of molecular actuators and light-sensitive materials for organic electronic devices.

Example products in this collection: TCI T1259 27333-47-7 1,3,3-Trimethylindolinonaphthospirooxazine, TCI B5604 172612-67-8 1,2-Bis(2,4-dimethyl-5-phenyl-3-thienyl)-3,3,4,4,5,5-hexafluoro-1-cyclopentene (purified by sublimation), TCI B4598 1440509-01-2 4,4'-Bis(dodecyloxy)-3-methylazobenzene, TCI B5623 137814-07-4 1,2-Bis[2-methylbenzo[b]thiophen-3-yl]-3,3,4,4,5,5-hexafluoro-1-cyclopentene (purified by sublimation), TCI B4597 1627844-78-3 4,4'-Bis(decyloxy)-3-methylazobenzene, TCI B6252 2052287-45-1 (E)-4,4'-Bis(octyloxy)-3-methylazobenzene, TCI B4596 1440509-03-4 4,4'-Bis(hexyloxy)-3-methylazobenzene, TCI D5626 1498-89-1 1',3'-Dihydro-8-methoxy-1',3',3'-trimethyl-6-nitrospiro[2H-1-benzopyran-2,2'-[2H]indole].

Consider the purity level after sublimation, the cycling stability of cis-trans isomer or open-closed form switching, and the suitability of the activation wavelength with the light source and optical system used in your experiment. All products are genuine Tokyo Chemical Industry (TCI) Japan products, with purity, packaging, and storage conditions listed on each item's page.

Other parallel categories under Photonic Materials and Optical Materials, often used together in a single laboratory workflow:

• Phthalocyanine Dyes, Porphyrin Dyes
• Visible Light Photoredox Catalysts
• Coumarin Dyes
• Xanthene Dyes
• Cyanine Dyes, Squarylium Dyes
• Organic Non-Linear Optical (NLO) Materials

This collection is further divided into 4 more specific groups:

• Spiropyrans [Photochromic Dyes]
• Diarylethenes [Photochromic Dyes]
• Azobenzenes [Photochromic Dyes]
• Hexaarylbiimidazole [Photochromic Dyes]

Back to Photonic Materials and Optical Materials. For large-volume procurement, special packaging, or specific grades, contact the AMI Scientific team — official TCI Japan distributor in Indonesia — to check availability and lead time directly from Japan.