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Surfactants

Sodium decyl sulfate

CAS: 142-87-0

Overview

Sodium decyl sulfate ( CAS 142-87-0 ) is an anionic surfactant used across personal care, textile, and industrial cleaning applications. It delivers controlled foaming, emulsification, and surface-active performance in formulations.

This chemical is often preferred in formulations where a mid-chain sulfate ester is required over longer-chain alternatives. In personal care, it functions as a primary or co-surfactant in shampoos and body washes.

It is particularly effective in facial cleansers where a milder foam profile is required for sensitive skin. Textile processors use it as a wetting and scouring agent to ensure uniform dye penetration.

The product is also essential for soil removal from fiber substrates during industrial manufacturing. In leather processing, it supports degreasing baths where consistent emulsification of natural fats is critical.

This ensures high-quality hide preparation for various leather goods. Paper manufacturers apply it as a dispersing agent to improve fiber distribution and surface uniformity during the pulp processing stage.

The material is supplied as a white to off-white powder or as an aqueous solution. It is typically available at concentrations of 30 to 35 percent active matter depending on the specific application needs.

Technical and cosmetic-grade material are the most commonly traded specifications in the global market. Buyers should confirm active content and sodium sulfate levels when evaluating lots for formulation use.

It is also important to verify the pH range to ensure compatibility with other ingredients. Proper testing ensures the surfactant meets the necessary performance standards for industrial and consumer products.

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Physical Properties

Melting Point194 °C
Density1.209[at 20℃]
Appearancewhite solid
ColorWhite to slightly yellow
FormPowder
Vapor Pressure0.51Pa at 20℃
Log P1.72 at 25℃

Safety & Handling

Danger GHS02 GHS05 GHS07 Hazard Statements H228 Flammable solid H302 Harmful if swallowed H315 Causes skin irritation H318 Causes serious eye damage H332 Harmful if inhaled H335 May cause respiratory irritation H412 Harmful to aquatic life with long lasting effects Precautionary Statements P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof [electrical/ventilating/lighting/…] equipment. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P317 Get emergency medical help. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P330 Rinse mouth. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P301+P317 Get emergency medical help. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P317 Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P370+P378 Use … for extinction. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code29159000
Storage Class11 - Combustible Solids
WGK (Germany)2

Other Names

Decyl sodium sulfate | Sodium decyl sulphate | Sulfuric acidmonodecyl estersodium salt (1:1) | AL92M833SY | RefChem:1098782 | Sulfuric acidmonodecyl estersodium salt | Compound 132D

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Chemical Properties

CAS Number
142-87-0
EC Number
205-568-5
Mol. Weight
260.33
HS Code
29159000
Category
Surfactants

Industries

Documentation