ALPHA OLEFIN SULFONATE
| Formula: | R-CH=CH-(CH₂)ₙ-SO₃Na (C₁₄–C₁₆ average) |
| CAS Number: | 68439-57-6 |
| EC Number (EINECS): | 270-407-8 |
| HS Code: | 34021100 |
| UN Number: | Not classified as hazardous |
| IUPAC Name: | Sodium alpha-olefin sulfonate |
| Also Known As: | AOS; Sodium Alpha Olefin Sulfonate |
| Molecular Weight, g/mol: | Varies (depending on carbon chain length, typically C₁₂–C₁₈) |
Typical Specifications
| Appearance: | Clear to slightly hazy liquid or free-flowing powder |
| Odor: | Mild |
| Boiling Point, °C: | Not applicable (aqueous surfactant) |
| Flash Point, °C: | Not applicable (water-based) |
| Refractive Index (20°C): | Not applicable |
| Solubility: | Soluble in water |
| pH (1% solution): | 7.0–9.0 |
| Vapor Pressure (at 20°C): | Negligible |
| Grades Available: | Industrial, Detergent Grade |
| Packaging: | Drums, IBCs, bags (powder), bulk |
Applications / Uses
Primary Applications
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Anionic surfactant in household and industrial detergents
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Used in shampoos, body washes, and personal care cleansers
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High-foaming agent in liquid and powder cleaning formulations
Secondary Applications
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Oilfield and mining chemical formulations
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Textile scouring and wetting agents
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Industrial degreasers and cleaners
End Industries Served:
Home & Industrial Cleaning, Personal Care, Oil & Gas, Textiles, Industrial Manufacturing
Safety & Handling Information
Hazard Class (GHS): Mild irritant
Hazard Statements (H-Codes):
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H319: Causes serious eye irritation
Precautionary Statements (P-Codes):
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P280: Wear protective gloves/eye protection
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P305 + P351 + P338: IF IN EYES – rinse cautiously with water
Storage Conditions
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Store in a cool, dry, well-ventilated area
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Protect from freezing (liquid grades)
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Keep containers tightly closed
Transport Information
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ADR/RID: Not classified as dangerous goods
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IMDG: Not classified as dangerous goods
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IATA: Not classified as dangerous goods
Regulatory Information
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REACH Status (EU): Registered
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TSCA (USA): Listed
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ISO Certification: Available on request
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Country Standards: Complies with detergent and industrial-grade specifications
Additional Information
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Shelf Life: 12–24 months (sealed, stored properly)
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Country of Origin: [To be filled – e.g., USA, India, China]
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Typical Packaging Sizes: Drums, IBCs, bags, bulk
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Storage Temperature: Ambient
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Stability: Stable under normal storage and handling conditions