Molecular Weight: 211.27 Specification: HG/T2342-1992 ITEM Grade I Grade II Appearance White or grayish white powder Initial melting point 145.0 min. 144.0 min. Heating loss 0.20% max. 0.30% max. Ash 0.30% max. 0.40% max. Residue on 0.150 mm sieve 0.0% max. 0.1% max. Property: No odour and nontoxic. (Specific gravity: 1.08-1.19). Easily soluble in acetone, ethyl acetate. Soluble in benzene and ethanol. Slightly soluble in carbon tetrachloride. Insoluble in water and gasoline. Application: Generally used for natural and synthetic rubber, but not suitable for latex. Mainly utilized in the manufacture of tires, rubber board, footwear and other rubber products. 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.