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CASNo：99-96-7
Molecular formula: C₇H₆O₃
Molecular weight: 138.13
Melting point: 214-217 ℃
Boiling point: 336.2 ° C at 760 mmHg
Flash point: 171.3 ° C
Colorless to white prismatic crystals.
Easy to dissolve in ethanol, soluble in ether and acetone, slightly soluble in water at 5 g/L (20 ° C) and chloroform, insoluble in carbon disulfide.
There is a reaction between phenolic and hydroxyl groups.
Its aqueous solution forms an amorphous yellow precipitate with ferric chloride.
Toxic.
It is irritating and should be sealed and stored away from light.