Sodium Lauryl Sulfate (SLS) CAS#151-21-3
Powerful Foaming & Wetting Capacity: Anionic surfactant with excellent foaming, wetting, emulsification and decontamination performance, rich and stable foam, widely used as foaming agent, detergent and emulsifier in personal care and daily chemical products.
Excellent Solubility & Detergency Property: Easily soluble in water, good decontamination and dispersing performance, compatible with anionic and nonionic surfactants for different cleaning formulation systems.
Stable Solid Form for Convenient Transport: White to pale yellow powder, needle or paste with uniform texture, stable under sealed dry storage, easy to weigh, transport and automatic feeding.
Sodium lauryl sulfate, abbreviated as SLS or SDS, is a high-demand anionic surfactant raw material, mild irritancy and wide coverage of daily chemical, cosmetic, pharmaceutical and industrial application scenarios.
Chemical & Physical Properties
| Property | Value |
|---|---|
| Melting point | 204~207 ℃ (decomposes) |
| Density | 1.02 g/cm³ (paste); bulk density 0.25~0.35 g/cm³ (powder) |
| Storage temp | Sealed dry cool warehouse, keep away from open flame, high heat and moisture |
| Solubility | Soluble in water, slightly soluble in ethanol, insoluble in chloroform and ether |
| Form | Powder / needle / paste |
| Color | White to pale yellow |
| Odor | Slight characteristic fatty odor |
| PH Value | 7.5~9.5 (1% aqueous solution) |
| Hygroscopicity | Slightly hygroscopic |
| Stability | Stable in airtight packaging; incompatible with strong oxidizers and strong acids |
| EINECS No. | 205-788-1 |
| CAS DataBase Reference | 151-21-3 |
Safety Information
| Item | Value |
|---|---|
| Hazard Codes | Xi |
| Risk Statements | R36/38: Irritating to eyes and skin; R41: Risk of serious damage to eyes |
| Safety Statements | S22; S26; S37/39: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice |
| UN Number | Not regulated |
| Hazard Class | Not dangerous goods |
| Packing Group | Not applicable |
| Flammability | Combustible, dust may form explosive mixture with air |
| HS Code | 34021100 |
Main applications: Toothpaste, shampoo, body wash and facial cleanser foaming agent; laundry detergent, dishwashing liquid and industrial cleaning agent; cosmetic emulsifier and dispersant; pharmaceutical ointment and oral preparation auxiliary; industrial emulsifier, wetting agent and electroplating additive.
