---
title: Sodium Lauryl Sulfate
date: 2025-03-05T12:35:54Z
modified: 2026-09-15T04:56:36Z
permalink: "https://allanchem.com/sodium-lauryl-sulfate/"
type: page
status: publish
excerpt: ""
wpid: 4702
timestamp: 2026-09-15T04:56:36Z
tags: []
---

##### CAS Number

151-21-3















##### Grade

NF















##### Packaging

Fiber Drum







































**Chemical Formula:** C₁₂H₂₅NaO₄S
**Sodium Lauryl Sulfate (SLS)** is an anionic surfactant known for its excellent foaming, emulsifying, and cleansing properties. Derived from natural fatty alcohols, SLS appears as a white or off-white powder or needle-like crystals. It is widely used in personal care products, pharmaceuticals, and industrial cleaners due to its ability to break down grease and oil effectively.
**Appearance:**
White to off-white powder or granules
**Uses:**
**Cosmetics & Personal Care:**
Commonly used in shampoos, body washes, facial cleansers, and toothpaste for its strong foaming action and emulsifying properties. Helps evenly distribute product and remove dirt and oils from skin and hair.
**Pharmaceutical Applications:**
Acts as a dispersing agent and emulsifier in creams, tablets, and topical formulations. Enhances drug solubility and bioavailability in certain oral and topical products.
**Industrial Cleaning Products:**
Used in formulations for degreasers, detergents, and hard surface cleaners. Its surfactant properties improve penetration and cleaning efficiency in oily or greasy environments.
**Laboratory & Research Use:**
Serves as a protein solubilizer in electrophoresis and other biochemical protocols. Helps denature proteins for analysis and characterization.
**Other Applications:**
Found in agrochemical formulations and textile processing for its wetting and emulsifying capabilities.







































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