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main product:Sodium Dodecyl Sulfate
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sodium dodecyl sulfate Physical and chemical properties

Time:2015/10/21 2:42:06

Physical and chemical properties of sodium dodecyl sulfate
Formula: C12H25SO4Na
Molecular Weight: 288.38
HLB: 40, belongs to the hydrophilic group of surfactant.
Appearance: white or cream-colored crystalline flake or powder.
pH: 7.5-9.5
Melting point (℃): 204-207
Relative density (water = 1): 1.09
Solubility: soluble in water, soluble in water, soluble in hot ethanol, slightly soluble in alcohol, insoluble in chloroform and ether.
CMC value at 298K lauryl sulfate is about 0.008mol · dm-3
Stability of sodium dodecyl sulfate
Incompatibility: Strong oxidizers.
Sodium lauryl sulfate Toxicology
Acute toxicity: LD50: 2000 mg / kg (mice by mouth); 1288 mg / kg (rat oral)
Irritation: respiratory tract irritation