Sodium lauryl sulfate is an anionic surfactant and a typical representative of sulfate based surfactants.
CAS No. :
151-21-3EINECS :
205-788-1Package :
25KG/BAGBrand :
TOPINCHEM®Origin :
CHINAFormula :
C12H25NaO4SMinimum Order :
500KGItem :
Sodium Lauryl SulfatePharmaceutical Grade Sodium Lauryl Sulfate CAS 151-21-3
Description
Sodium lauryl sulfate is usually a white to slightly yellow crystalline powder, non-toxic, slightly soluble in alcohols, and has good compatibility with anions and non-ions. It has good emulsifying, foaming, foaming, penetrating, cleaning, and dispersing properties, rich foam, and fast biodegradation.
Specification
| TEST ITEM | Test Method | UNIT | SPECIFICATION | Test Results |
| APPEARANCE | ChP/EP/JP | NA | White or pale yellow powder. | White powder |
| IDENTIFICATION 1 | EP/JP | NA | Conform | Conform |
| IDENTIFICATION 2 | USP/EP/JP/ChP | NA | Conform | Conform |
| IDENTIFICATION 3 | USP/EP/JP/ChP | NA | Conform | Conform |
| IDENTIFICATION 4 | EP/JP | NA | Conform | Conform |
| SODIUM CHLORIDE AND SODIUM SULFATE | ChP/USP/EP/JP | WT% | NMT 8.0% | 1.2 |
| ALKALINITY | ChP/USP/EP/JP | ML | NMT 0.5 | 0.26 |
| LOSS ON DRYING | ChP/JP | WT% | NMT 5.0% | 3.8 |
| UNSULFATED ALCOHOLS | ChP/USP/EP/JP | WT% | NMT 4.0% | 0.9 |
| TOTAL ALCOHOLS | USP | WT% | NLT 59.0% | 71.6 |
| ASSAY | USP/EP/JP | WT% | NLT 90.0% | 96.8 |
Application
Sodium lauryl sulfate (SLS) is a commonly used pharmaceutical excipient, which is an anionic surfactant and can be used as a solubilizer, emulsifier, skin penetrating agent, lubricant, wetting agent, etc. for pharmaceuticals, tablets, and capsules.
It is soluble in water, and its aqueous solution is strongly alkaline; insoluble in ethanol and carbon disulfide.
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