Sodium Dodecyl Sulfate
Synonyms: sodium lauryl sulphate， 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
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