Chemical Product Library / Reference
Zinc stearate
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Zinc stearate |
|---|---|
| English synonyms | Zinc distearate;Octadecanoic acid zinc salt |
| Chinese name | 硬脂酸锌 |
| Chinese synonyms | 十八酸锌;硬脂酸锌盐 |
| Chemical category | Inorganic Salts |
| CAS No. | 557-05-1 |
| EINECS No. | 209-151-9 |
| Molecular formula | C36H70O4Zn |
| Molecular weight | 632.33 |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
Zn content 10.0–11.0%; free acid (as stearic acid) ≤0.5%; moisture ≤1.0%; melting point 118–125°C; residue on 200 mesh ≤0.1%
Performance characteristics
White powder, insoluble in water, good lubricity and release properties
Application scenarios
Plastics lubricant and release agent, rubber processing aid, cosmetic powder, paint flatting agent