Description: 
Appearance: white crystal.
Solubility: Soluble in water, soluble in ethanol and acetone and ice acetic acid, slightly soluble in ether, almost insoluble in benzene.
Melting point: 138～139℃.
Used: Alkali amount method to analyze the standard. Slow oil and fat of rancidity.organic synthesis.
Storage: This product should be preservation in a sealed place.