1.Appearance: colorless or light yellow liquid with pungent smell Model sulpho- Production place Xinchang Content 99 Grade Superior grade Density 1.33(g/cm3) Quality standard International standard CAS 68-11-1 Chinese standard 81611 2.Quality standard: Testing item Quality standard content 80, 90, 99% specific gravity 1.3253(20) appearance colorless or light yellow liquid 3.Uses: In daily chemical industry, main material of cold wave lotion and depilatory; In petrochemical industry and railway department, for rust cleaning of equipment and rail; For preparation of epoxy resin and bisphenol A catalyst; For manufacturing of polycarboxylate superplasticizer; 4.Packaging: 270kg/plastic drum; 30kg/plastic drum 5.Storage: store in dry, low-temperature and ventilated place in seal 6.Notes: Avoid contact with skin, eyes and mouth cavity