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Sodium stearate

CAS Number
822-16-2
EC Number
212-490-5
Chemical Formula
C18H36O2.Na
Molecular Weight
306.5 g/mol

Description

Sodium stearate (CAS 822-16-2 ) is the sodium salt of stearic acid, recognized commercially as sodium octadecanoate. It functions as a soap-forming agent, emulsifier, and lubricant across food processing and industrial applications. In personal care and soap manufacturing, it is the primary structuring agent in bar soaps and solid cosmetic sticks, providing firmness and lather. It is essential for creating stable, solid formulations in the cosmetic industry. Plastics processors use it as an internal and external lubricant and stabilizer during PVC compounding. This improves melt flow and prevents degradation during extrusion, ensuring high-quality finished plastic products for various industrial uses. In metalworking and industrial lubrication, it acts as a base component in dry lubricant formulations. It also serves as an effective release agent for metal forming operations, reducing friction and wear on machinery. Food-grade material is used as an emulsifier and anti-caking agent in select processed food applications. It is supplied as a white powder or flakes, with particle size and purity varying by the specific application grade required. Food-grade material is available to FCC specification, while technical and industrial grades serve plastics and lubricant applications. These grades ensure the material meets the necessary safety and performance criteria. Cosmetic and pharmaceutical grades meeting USP or Ph.Eur. standards are also commercially available for personal care and regulated formulations. These high-purity options are ideal for sensitive manufacturing environments. Contact us for supply of Sodium stearate Request Quote

Other Names (Synonyms)

Stearic acid, sodium salt | Octadecanoic acid, sodium salt | Sodium octadecanoate | Flexichem B | Bonderlube 235 | Edenor FHTI | Nonsoul sn 15 | Octadecanoic acid, sodium salt (1:1)

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point225 °C
Density0.854 g/cm³ (liquid)
Appearancewhite to off-white powder
Colorwhite
Odorwh. fine powd., fatty (tallow) odor
FormPowder
Water SolubilitySOLUBLE IN COLD AND HOT WATER
Log P8.216 (est)

Safety & Handling

Danger
GHS05· CorrosiveGHS07· IrritantGHS09· Environment

Hazard Statements

H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H401Toxic to aquatic life
H412Harmful to aquatic life with long lasting effects

Precautionary Statements

P264Wash … thoroughly after handling.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P317Get emergency medical help.
P321Specific treatment (see … on this label).
P501Dispose of contents/container in accordance with local regulations.
P265Wash … thoroughly after handling.
P352IF ON SKIN: Wash with plenty of water.
P317Get emergency medical help.
P317If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P364Take off contaminated clothing and wash it before reuse.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code29157090
Storage Class11 - Combustible Solids
WGK (Germany)1