Sodium Laureth Sulfate
CAS Number: 3088-31-1
Chemical Formula: C₁₂H₂₆Na₂O₅S
Synonyms: Lauryl ether sulfate sodium salt; (C10-C16)Alkyl ethoxylate sulfuric acid sodium salt; NAXOLATE ES-360
Appearance: Colourless to Off-White
Minimum Order Quantity (MOQ): 1 FCL (Full Container Load)
Product Description
Sodium Laureth Sulfate (SLES) is a high-performance anionic surfactant. It offers outstanding detergency, emulsification, foaming capacity, and hard-water resistance. Its molecular structure combines lipophilic alkyl chains, hydrophilic polyoxyethylene ether segments, and sodium sulfate ester groups, allowing it to effectively lower water surface tension, form stable micelles, and deliver strong cleaning, emulsifying, and foaming effects.
Physicochemical Properties
| Parameter | Specification |
| Boiling point | 113.439 °C at 101325 Pa |
| Density | 1.0500 |
| Vapor pressure | 0 Pa at 25 °C |
| Solubility in organic solvents | 39 g/L at 20 °C |
| pKa | 0 at 20 °C |
| Water solubility | 1000 g/L at 39 °C |
| LogP | -0.602 at 39 °C |
| EPA Substance Registry | Ethanol, 2-[2-(dodecyloxy)ethoxy]-, 1-(hydrogen sulfate), sodium salt (1:1) (3088-31-1) |
Main Applications
Sodium Laureth Sulfate is widely used across daily chemicals, industrial manufacturing, and pharmaceutical fields:
Core cleaning and foaming component in personal care and household cleaning products
Textile industry: leveling agent and processing auxiliary
Petroleum industry: drilling fluid additive
Paper industry: emulsifier and process auxiliary
Industrial cleaning, cosmetics, and detergent formulations
Delivery Time
Inventory orders: 2–3 working days
New production orders: 7–10 working days
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