Appearance:White or milky white crystalline flakes or powder Properties:Slightly soluble in ethanol, practically insoluble in chloroform, ethyl ether and light petroleum. Melting point 204 ~ 207 ℃. Uses:Organic synthesis.Anionic surfactant. Electrophoresis of proteins and lipid class separation. Ion-pair chromatography. Wetting agent. Detergent. Textile industry. Preparation of toothpaste composition. Storage:Sealed in a cool dry place.