Stearic Acid CAS#: 57-11-4
Excellent Lubricating & Emulsifying Capacity: White flake or bead solid, a saturated long-chain fatty acid derived from natural vegetable oil. It features good lubricity, emulsification, dispersion and mold release properties, stable chemical performance, low volatility.
Good Compatibility Property: Chemically stable under normal temperature, compatible with rubber, plastic, wax and various surfactant systems; available in different grades such as stearic acid 1801, 1810, 1820 for diversified industrial scenarios.
Stable Form for Convenient Transport: Uniform flake or bead form, stable under sealed storage, easy to weigh, transport and automatic feeding.
Stearic Acid is a widely used basic chemical raw material, low irritation and covers a wide range of rubber, plastic, cosmetic and industrial application scenarios.
Chemical & Physical Properties
| Property | Value |
|---|---|
| Melting point | 67–72 ℃ |
| Density | ~0.84 g/cm³ |
| Storage temp | Sealed dry cool warehouse, strictly isolated from strong oxidants |
| Solubility | Insoluble in water, soluble in ethanol, ether and organic solvents |
| Form | Flake / bead solid |
| Color | White |
| Odor | Slight characteristic fatty odor |
| PH Value | Acidic (not applicable for aqueous solution) |
| Hygroscopicity | Non-hygroscopic |
| Stability | Stable in airtight packaging; avoid high temperature and strong oxidants |
| EINECS No. | 200-313-4 |
| CAS DataBase Reference | 57-11-4 |
Safety Information
| Item | Value |
|---|---|
| Hazard Codes | Not applicable |
| Risk Statements | R36 |
| Safety Statements | S22; S24/25 |
| UN Number | Not regulated |
| Hazard Class | Not dangerous goods |
| Packing Group | Not applicable |
| Flammability | Combustible solid |
| HS Code | 29157010 |
Main applications: Rubber activator, plastic lubricant & release agent, cosmetic emulsifier, candle raw material, metal stearate intermediate, textile auxiliary, polishing agent.






