Surfactants
REACH
Sodium stearyl sulfate
CAS Number
1120-04-3
EC Number
214-295-0
What is Sodium stearyl sulfate?
Sodium stearyl sulfate (CAS 1120-04-3), also known as sodium octadecyl sulfate, is an anionic surfactant derived from stearyl alcohol.
Where is Sodium stearyl sulfate used?
- Personal care and cosmetics: primary or co-surfactant in cleansing products, shampoos, and skin-conditioning formulations
- Pharmaceuticals: excipient in tablet coatings and topical preparations
- Textile and paper processing: fiber wetting, dye dispersion, and surface treatment
- Printing and packaging: dispersing agent for pigment suspensions and ink adhesion
- It functions as an emulsifier, dispersant, and foam-control agent.
Commercial specifications
- Purity levels typically ranging from 90% to 99% depending on the application
Other Names (Synonyms)
Sodium octadecyl sulfate|OCTADECYL SULFATE SODIUM SALT|Sodium octadecyl sulphate|Octadecyl sodium sulfate|Sulfuric acid, monooctadecyl ester, sodium salt|Sodium monostearyl sulfate|Sodium monooctadecyl sulfate|Sulfuric acid, monooctadecyl ester, sodium salt (1:1)
What are the physical properties of Sodium stearyl sulfate?
Melting Point 211-213 °C(lit.)
Appearance White to light yellowish-beige powder
Color White to light yellow-beige
Form Powder
Water Solubility Soluble in water.
How is Sodium stearyl sulfate classified and handled safely? Learn More
Warning
GHS07· Irritant
Hazard Statements
H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation
Precautionary Statements
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
Which trade and regulatory codes apply to Sodium stearyl sulfate?
HS Code 29209090
Storage Class 11 - Combustible Solids
WGK (Germany) 2