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1, Molecular formula
CH3(CH2)11OSO3Na Sodium dodecylsulfate(K12)
2, Properties
White or pale yellow powder, with slight special odor, nontoxic; cumulus ratio 0.25g/ml, melting point 180-185¡ãC (decompose); easily soluble in water to be translucent solution, the MP is 204-207¡æ; very steady in alkali, weak acid and hard water; can be hydrolyzed in strong acid solution, easily degraded by biology, unstable to heat but stable when below 80¡ãC; strong foaming power, foam is fine, dense, pure white and plump; molecular weight 288.38.
3, Quality Index :(GB/T15963-1995)
Appearance |
white or light yellow powder or needle-like, no agglomeration. |
Active matter % |
≥90 |
Soluble matter in light petroleum% |
≤2.0 |
Inorganic sal t%(Nacl+Na2SO4) |
≤5.5 |
Moisture % |
≤3.0 |
PH(1% solution) |
7.5-9.5 |
Whiteness |
≥65 |
4, Uses:
It is anion surfactant with good wet capacity, detergency, foaming ability and low pungency to skin. It is widely used in chemical industry concerned with products for daily use, medicine,chemical industry,textile, galvanization and mill run. It can be used as adhesive of toothpaste, drug, the emulsifier and dispersant od coating, pesticide and detergent.
5, Packing & storage:
Keep away from moisture, heat, fire and acid during storage. 20kg composite kraft bag lined with polyethylene bag
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