Sodium Dodecyl Sulfate Synonyms: Lauryl sulfate sodium salt; Sulfuric acid monododecyl ester sodium salt CAS NO.: 151-21-3 EINECS : 205-788-1 Molecular formula ：C12H25NaO4S Molecular weight：288.38 Specifications: (Standard: GB/T15963-1995 ) Item Specification Standard Solid Product Liquid Product Appearance White Powder Form White Needle Form Clear, light yellow Active ingredient (%) ≥92 ≥93 ≥95 ≥92 ≥93 ≥95 Total Solid matter(%) ≥28 Petroleum ether soluble substances (%) ≤1.5 ≤1.5 ≤1.5 ≤1.5 ≤1.5 ≤1.5 ≤0.5 Inorganic salts (NaCl+Na2SO4) (%) ≤5.5 ≤4.5 ≤2.5 ≤4.5 ≤3.5 ≤1.5 ≤2.0 Water (%) ≤2.5 ≤2.5 ≤2.5 ≤3.5 ≤3.5 ≤3.5 - pH (1% aq. Solution 25℃) 7.5~9.5 7.5~9.5 7.5~9.5 7.5~9.5 7.5~9.5 7.5~9.5 7.5~9.5 Whiteness (WG) ≥90 ≥90 ≥90 ≥90 ≥90 ≥90 - Color (Hazen, 5% a.m. solution) - - - - - - ≤50 Properties: Sodium Dodecyl Sulfate has good emulsifying, foaming, osmosis, detergency and dispersing performances. It can be dissolved in the water easily and is compatible with anion and non-ionic. Sodium Dodecyl Sulfate has fast biodegradation properties. Usage： Sodium Dodecyl Sulfate can be widely used in different field as follows: • Detergency: tooth paste, shampoo, cosmetic, detergent and so on. • Construction: plasterboard, additive of concrete, coating and so on. • Pharmaceutical: Medicine, pesticide and so on. • Leather: leather soft agent, wool cleaning agent and so on. • Paper making: penetrant, flocculating agent, deinking agent and so on. • Auxiliaries: texitile auxiliaries, plastic auxiliaries and so on. • Fire fighting: oil well fire fighting, fire fighting device and so on. • Mineral choosing: mine flotation, coal water mixture and so on. Package ： Powder and needle form products in craft-paper bags or woven bags, 20 Kg net weight. Liquid form products in plastic barrels, 200 Kg net weight. Storage ： Powder and needle form products , store in a cool, dry place. Avoid moisture and heat. Liquid products, no excess press. Keywords ：Sodium Dodecyl Sulfate; Lauryl sulfate sodium salt; Sulfuric acid monododecyl ester sodium salt