Sodium dodecyl sulfate Quick Details
Chemical Name: Sodium dodecyl sulfate
Synonyms: Lauryl sulfate sodium salt; Sulfuric acid monododecyl ester sodium salt; SDS
CAS: 151-21-3
Molecular Formula: C12H25NaO4S
Molecular Weight: 288.38
Chemical Structure:
Appearance: White powder
Assay: 95%
Typical Properties
Test item |
Specification |
Result |
Appearance |
White powder form |
White powder form |
Active matter(%) |
≥93 |
93.28 |
Petroleum ether soluble substances (%) |
≤1.2 |
0.41 |
Inorganic salts (NaCl + Na₂SO₄) (%) |
≤4.8 |
NaCl: 0.03
Na₂SO₄: 4.49 |
Water (1%) |
≤2.0 |
1.79 |
Ph value (1% aq. solution) |
7.5 – 9.5 |
9.18 |
Whiteness (Wb) |
≥90 |
91.5 |
Conclusion: |
The results conforms with enterprise standards |
Sodium dodecyl sulfate Usage
Household cleaning, personal care, and cosmetics
Cleaning products—foaming agents (shampoo, shower gel, laundry detergent, etc.)—effectively remove oil and dirt
Oral care—detergents (toothpaste, mouthwash)—remove food debris and plaque
Cosmetics—emulsifiers (skin creams, lotions)—help stabilize the mixture of oil and water
Industrial applications
Textile industry—wetting agents, detergents, and dispersants—ensure uniform chemical penetration
Metalworking—industrial degreasers and cleaners
Pharmaceutical and laboratory applications
Ointments and lotions—Emulsifiers or wetting agents improve the dispersion and penetration of active ingredients
Ionic detergents—Suitable for protein denaturation in cell biology and biochemistry research
Food industry
Used as an emulsifier (e.g., in egg white products) and a foaming aid (e.g., in marshmallow production)
Packaging and Storage
200 kg / drum
Store in a cool, dry place.
Why choose Haihang Industry?
Reliable production & consistent quality — scalable capacity for bulk orders.
Quality documentation — COA, MSDS, and analytical reports available; options for custom purity.
Competitive pricing & global logistics — FOB/CIF offers and support for export documentation.
Technical support — dosing guidance, stability data, and on-demand samples for trials.
Ordering & contact
To request a quote, sample, or technical datasheet, please provide: intended application, required purity, order quantity, and delivery location. Our sales team will reply with a tailored Sodium dodecyl sulfate price and lead time. Contact us now to get COA and MSDS.