Phthalic anhydride, an organic compound with chemical formula C8H4O3, is a cyclic acid anhydride formed by dehydration of phthalic acid molecules. It is a white crystalline powder, insoluble in cold water, slightly soluble in hot water, ether, soluble in ethanol, pyridine, benzene, carbon disulfide, etc., and is an important organic chemical raw material. It is an important intermediate for the preparation of phthalate plasticizers, coatings, saccharin, dyes and organic compounds.
Chinese name: phthalic anhydride
phthalic anhydride
Name: Phthalic anhydride, phthalic anhydride
Chemical formula: C8H4O3
Molecular weight: 148.116
CAS login number: 85-44-9
EINECS entry number: 201-607-5
Melting point: 131 to 134 ℃
Boiling point: 284 ℃
Density: 1.53 g/cm³
Appearance: white crystalline powder
Flash point: 152 ℃
Security description: S22; S23; S24/25; S26; S37/39; S46
Danger symbol: Xn
Hazard description: R22; R37/38; R41; R42/43
Packaging and Shipping Information
Sample bottle 1kg, woven bag 50kg, ton bag 1000kg
Application
Use 1: Used as an analytical reagent, but also for organic synthesis
Use 2: It is one of the important organic chemical raw materials, used for the production of plasticizer, alkyd resin, unsaturated polyester resin, dyes and pigments
Use 3: Phthalic anhydride, referred to as phthalic anhydride, is the intermediate of pine grass.
Use 4: Phthalic anhydride is one of the important organic chemical raw materials, its main derivatives are dibutyl phthalate, dioctyl ester and diisobutyl ester, etc., used as a plasticizer for PVC; It can also be used to produce unsaturated polyester resin, alkyd resin, dyes and pigments, a variety of paints, food additives.
Use 5: standard solution for calibration base, separation of primary alcohol from secondary alcohol and tertiary alcohol. The primary amines and aromatic hydrocarbons are identified according to the solubility points of derivatives. Remove thiophene.
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Company Introduction
Shandong DESENLAI Chemical Co., Ltd. was established in July 2011, headquartered in Tianqiao District, Jinan City, Shandong Province.
With more than ten years of fine chemical business foundation, DSL Chemical is committed to building the most valuable chemical trading company in the whole industrial chain in China. With advanced marketing concept combined with modern management mode, the company provides customers with quality products and services and comprehensive "all-around" solutions.
The company adheres to the goal of green and sustainable development, and has long been committed to the operation of various fine chemical products, involving lithium new energy, biodegradable materials and other green energy fields. Such as NMP, butyrate, BDO, adipic acid, glycol and so on.
