Yellow Powder 3,3-Bis(4-diethylamino-2-ethoxyphenyl)-4-azaphthalide CAS 132467-74-4

Products Description

The substance corresponding to CAS No. 21934-68-9 is 3,3-Bis(4-diethylamino-2-ethoxyphenyl)-4-azaphthalide, with a molecular formula of C₂₆H₂₅NO₃ and a molecular weight of 399.48. This compound has many aliases, including 7,7-bis[4-(diethylamino)-2-ethoxyphenyl]furo[3,4-b]pyridin-5-one, 3,3-bis(2-ethoxy-4-N,N-diethylaminophenyl)-7(4)-azaphthalide, etc., and has a spirocyclic structure.

3,3-Bis(4-diethylamino-2-ethoxyphenyl)-4-azaphthalide is a white to yellow crystalline powder at room temperature, with a melting point range of 168-170°C, a boiling point of about 592.3°C (760mmHg), and a flash point of 312°C. Its refractive index is 1.66 and LogP value is 5.7176, indicating strong hydrophobicity, while the PSA value of 38.77 reflects the distribution of polar groups in the molecule.
 

Basic Info

Uses

3,3-Bis(4-diethylamino-2-ethoxyphenyl)-4-azaphthalide is mainly used as a leuco dye in reversible thermochromic materials. After being compounded with color developers (such as gallic acid esters) and fatty alcohols, it can bring about temperature-responsive color changes, and it is applied in anti-counterfeiting, coatings and indicator materials.

Safety Information

According to the GHS classification, 3,3-Bis(4-diethylamino-2-ethoxyphenyl)-4-azaphthalide is listed as a physical, health, or environmental hazard, but protective measures are still required during operation: move to fresh air after inhalation, wash immediately after skin contact, rinse with water and seek medical attention after eye contact. Firefighting recommends the use of dry powder, foam, or carbon dioxide fire extinguishers, and protective equipment should be worn in case of leakage to prevent the spread of contamination.

Company Profile

Gnee Chem is an enterprise specialising in the research, development, production and sales of phytochemicals and fine chemicals.Our factory was established in 2016 and is located in Henan Province, covering an area of 3,600 square metres. We have a professional, well-equipped and high-quality R&D team with more than 10 years of R&D experience. Our products are widely exported to many countries, such as the United States, Russia, Canada, Australia, Europe, etc., and we provide customers with fast shipping services. We hope to establish long-term and mutually beneficial cooperation with more friends in the future, and provide the best products and services for our customers.

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