CAS:81-84-5 | 1,8-Naphthalic Anhydride

Products Description

The substance with CAS number 81 - 84 - 5 is 1,8 - Naphthalic Anhydride. Its molecular formula is C₁₂H₆O₃, its molecular weight is approximately between 198.17 and 198.18, and its EINECS number is 201 - 380 - 2.
1,8-Naphthalic Anhydride appears as light yellow powder or light yellow-brown needle-shaped crystals. Its boiling point is 407.5℃, and it also has sublimation characteristics. Moreover, its flash point is 272℃. In terms of solubility, it is insoluble in water, ether, and benzene, slightly soluble in hot ethanol, soluble in hot acetic acid, soluble in chloroform when heated, and soluble in DMSO.
1,8-Naphthalic Anhydride, in terms of chemical properties, can burn when exposed to open flames and high temperatures, and it will form an explosive mixture when mixed with oxidants. When its powder is mixed with air and reaches a certain concentration, it will explode when it encounters a spark. Additionally, it will slowly decompose in the humid air.

Basic Info

Safety Information

Toxicity: Low toxicity, LD50: 12340mg/kg (rat oral); LC50.
Hazard category code: R36/37/38, indicating irritation to eyes, respiratory tract and skin.
Safety instructions: S24/25, i.e. avoid contact with skin and eyes.

Uses

1,8-Naphthalic anhydride, 98% is an important raw material for synthesizing perylene dyes, pigments, and fluorescent whitening agents. It can also be used as a fluorescent whitening agent for dyes, pesticides, medicines, and polymer materials. Moreover, it is used in the preparation of naphthalimide analogs and can even be used as an anticancer agent.

Company Profile

Gneechem, located in Henan Province, China, is part of the GNEE Group, with 22 years of experience in foreign trade, specializing in providing high-quality chemical raw materials and professional trading services to customers around the world. We supply basic chemical raw materials, fine chemicals and specialty chemicals for a wide range of industries.We are ISO9001 certified and have been recognized by a number of authoritative qualifications at home and abroad, making us a trusted partner of our customers.

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