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Sodium Dodecyl Sulfate CAS 151-21-3

Synonyms: Lauryl sulfate sodium salt; Sodium lauryl sulphate

Appearance: White powder

Assay: 95%

Packaging: 200 kg / drum

Sample: Available

related documents:

  • COA of Sodium Lauryl Sulfate 95% powder 151-21-3
  • TDS of Sodium Lauryl Sulfate 151-21-3
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Description

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:Sodium dodecyl sulfate 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

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