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Phthalic anhydride
Phthalic anhydride, an organic compound,it is a cyclic anhydride formed by dehydration within the phthalic acid molecule. It is a white crystalline powder, insoluble in cold water, slightly soluble in hot water, ether, soluble in ethanol, pyridine, benzene, carbon disulfide, etc. It is an important organic chemical material and an important intermediate in the preparation of phthalate plasticizers, paints, saccharin, dyes and organic compounds.
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Product Description

Basic information

Namephthalic anhydride
CAS Number85-44-9
EINECS Number201-607-5
Molecular weight148.116
Chemical formulaC8H4O3
Melting point131°C-134°C
Boiling point284 ℃
Density1.53g/cm³
AppearanceWhite crystalline powder


Main Application

Phthalic anhydride is an important organic chemical raw material and an important intermediate in the preparation of phthalate plasticizers, coatings, saccharin, dyes and organic compounds.


Storage method

Store in a cool, dry, well-ventilated warehouse. Keep away from fire and heat sources. The packaging must be sealed and must not be exposed to moisture. It should be stored separately from oxidising agents, reducing agents, acids and bases. Equipped with the appropriate variety and quantity of fire-fighting equipment. The storage area should be equipped with suitable materials to shelter leaks.

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Company Profile

Daxunte (Shandong) Chemical Products Co. , Ltd. . Since its establishment, to pursue quality, integrity service as its own responsibility, and constantly enhance technical strength, improve management level. After years of efforts, the company has developed into a cross-regional diversification of the comprehensive enterprise. Located in Jinan, Shandong province, China's largest chemical production and distribution center, Daxunte (Shandong) Chemical Products Co. , Ltd. It is a professional supplier of high-tech chemical products integrating R&D, production and sales. It has an excellent team with many years of chemical professional background and great innovation ability. The company hopes through technological innovation, management innovation, Mechanism Innovation, warehousing logistics innovation, to create the influence of domestic chemical enterprises.

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