Item：Pharm, food grade

Appearance: colorless   or white crystallization powder

Purity: 99.5% min

Melting Point :185.0~189.

Heavy Metal：0.001% max

Sulphate： 0.02% max

Chloride：0.005% max

Iron：0.0005% max

Water insoluble matter: 0.01% max

Fumaric & Maleic Acid：0.1Max

Easily Oxidation Test：Up to standard

Properties:

Used for producing plasticization resin, engineering plastics and esters etc in chemical industry; also used for intermediate of medicament and pesticide etc; as well as chemical reagent, neutralizing agent and flavoring agent.