© 2026 Nanjing Finechem Holdings Co., Ltd,
All Right Reserved
|
HS Code |
808960 |
| Iupac Name | 1',3',3'-Trimethylspiro[2H-1-benzopyran-2,2'-indoline] |
| Cas Number | 256-97-9 |
| Molecular Formula | C23H24NO2 |
| Molecular Weight | 346.44 g/mol |
| Appearance | Pale yellow to light pink powder |
| Solubility | Soluble in organic solvents such as ethanol and acetone |
| Melting Point | 186-188 °C |
| Absorption Maximum | Approximately 520 nm (in polar solvents, photoactivated) |
| Photochromic Property | Changes color upon exposure to UV light |
| Usage | Photochromic dye, mainly for lens and ink applications |
As an accredited 1,3,3-Trimethylindolinobenzopyrylospiran factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The 1,3,3-Trimethylindolinobenzopyrylospiran (1 g) from Sigma-Aldrich comes sealed in an amber glass vial, with safety labeling. |
| Shipping | 1,3,3-Trimethylindolinobenzopyrylospiran is shipped in tightly sealed containers, protected from light and moisture, and packed according to chemical safety regulations. Shipping complies with international and local transport laws (e.g., IATA/IMDG/DOT), typically as a non-hazardous chemical, unless otherwise classified. Ensure proper labeling and provide access to the Safety Data Sheet (SDS). |
| Storage | 1,3,3-Trimethylindolinobenzopyrylospiran should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from direct sunlight and moisture. Protect the chemical from light to prevent degradation and avoid exposure to strong acids, bases, and oxidizing agents. Keep at recommended temperatures, typically at 2–8°C (refrigerator) unless otherwise specified by the supplier (Sigma-Aldrich/Merck/TCI). |
Competitive 1,3,3-Trimethylindolinobenzopyrylospiran prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@ar-reagent.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: sales3@ar-reagent.com
Flexible payment, competitive price, premium service - Inquire now!
