Molecular Weight: 332.50 Specification: GB/T11408-2003 ITEM Top Grade Grade I Grade II Appearance Light yellow or grayish white powder, granule Initial melting point 170.0 ℃min. 166.0 ℃min. 162.0 ℃ min. Heating loss 0.30% max. 0.40% max. 0.50% max. Ash 0.30% max. 0.50% max. 0.70% max. Residue on 100 m sieve 0.0% max. 0.1% max. 0.1% max. Property: A little bitter taste, nontoxic. (Specific gravity: 1.45-1.54). Soluble in chloroform. Slightly soluble in benzene, ethyl alcohol and carbon tetrachloride. Insoluble in gasoline, water and ethyl acetate. Application: Generally used for natural and various synthetic rubbers. Utilized in the manufacture of tires, rubber hoses, rubber footwear, rubber cloth and other rubber products. It can also works as plasticizer and delayed activator in neoprene. Packaging: 20kg net in a woven bag lined with polyethylene. Storage: Keep container tightly closed in a dry, well-ventilated place. The storage life is recommended not to exceed 2 years under normal conditions.