Year1
- 分子式：
- C14H10O3
- 分子量：
- 226.23
- 含量：
- 99
Chinese name benzoic anhydride
Chinese synonyms benzoic anhydride benzoic anhydride benzoic anhydride benzoic anhydride benzoic anhydride benzoic anhydride, benzyl anhydride benzoic anhydride
English name
number
Molecular formula
Molecular weight
Melting point
Boiling point
Density
Flash point
Chemical properties White prismatic crystal, melting point ℃, boiling point ℃, ℃℃ relative density/℃ Refractive index ℃. Soluble in alcohol, ether, chloroform, propanol, glacial benzene, almost insoluble in water. It is stable to water and cold alkali and can be hydrolyzed by boiling alkali metal carbonates and caustic alkali.
Uses: Organic synthesis intermediate. Used as pharmaceutical dye preservative, benzoylating agent and softener. Can also be used for water analysis.
Physical and chemical properties
The relevant properties of benzoic anhydride are as follows
Melting point °C.
Boiling point ℃, ℃℃.
Relative density/℃.
Refractive index ℃.
It is a white prismatic crystal, soluble in alcohol, ether, chloroform, propanol, glacial benzene, almost insoluble in water, and water-soluble.
Stable to water and cold alkali, and can be hydrolyzed by boiling alkali metal carbonates and caustic alkali.
Uses
Uses of benzoic anhydride
Used as benzoylating agent in the manufacture of pharmaceutical dye preservatives.
It can be used for water analysis and can also be used as an additive and softener for some polymers.
Used for the determination of water in organic liquids. synthesis.
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