| Customization: | Available |
|---|---|
| CAS No.: | 151-21-3 |
| Formula: | C12h26o4s.Na |
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Chemical Name: Sodium dodecyl sulfate (IUPAC: Sodium lauryl sulfate)
CAS No.: 151-21-3
Synonyms: SDS, SLS, Sodium lauryl sulfate, Lauryl sodium sulfate
Molecular Weight: 288.38 g/mol
Appearance: White to pale yellow crystalline powder or flakes
Solubility:
Highly soluble in water (clear to hazy solution)
Slightly soluble in ethanol
Insoluble in nonpolar solvents (e.g., ether, chloroform)
Critical Micelle Concentration (CMC): ~8.2 mM (25°C)
pH: 6.5-9.5 (1% aqueous solution)
Melting Point: 204-207°C (with decomposition)
Anionic Surfactant: Strong foaming, emulsifying, and wetting properties.
Protein Denaturant: Disrupts non-covalent bonds in proteins (key for electrophoresis).
Detergent Action: Removes oils and particulates via micelle formation.
Laboratory:
SDS-PAGE electrophoresis (protein separation)
Cell lysis and nucleic acid extraction
Personal Care:
Shampoos, toothpastes, and soaps (foaming agent)
Limited use in "SLS-free" products due to irritation potential
Industrial:
Emulsion polymerization (latex production)
Fire extinguisher foams
Textile and agrochemical formulations
Toxicity:
Low acute toxicity
Skin/eye irritant (prolonged contact may cause dermatitis)
Environmental:
Readily biodegradable (OECD 301 standards)
Toxic to aquatic life (WGK 1-2)
Storage:
Keep dry in airtight containers (hygroscopic)
Incompatible with strong oxidizers
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