Zinc stearate
Buy Zinc stearate (CAS 557-05-1) from Zemixal: C36H70O4Zn, COA and SDS with every lot, worldwide shipping. Packs from 500 g.
About Zinc stearate
Zemixal supplies Zinc stearate within its pharma Intermediates & Building Blocks portfolio. Identity at a glance (Synthesis): CAS 557-05-1, formula C36H70O4Zn and molar mass 632.3 g/mol. It is described as white powder.
Use cases we see most often
- Metallurgy & plating
- Rubber compounding
Storage and safety notes
Reported physical data: melting point 128-130 °C. It carries the GHS signal word Warning (H335, H400 and H413), so wear gloves and eye protection and work with good ventilation.
Order it in 500 g, 5 kg and 25 kg packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Metallurgy & plating
- Rubber compounding
Applications
Specifications and identifiers
| Product name | Zinc stearate |
|---|---|
| Catalogue number | ZX-007722 |
| CAS number | 557-05-1 |
| IUPAC name | zinc bis(octadecanoate) |
| Molecular formula | C36H70O4Zn |
| Molar mass | 632.3 g/mol |
| Exact mass | 630.4566 |
| Grade | Synthesis |
| Purity / assay | 10–12% |
| Physical form | Powder |
| Appearance | White powder |
| Melting point | 128-130 °C |
| H-bond donors / acceptors | 0 / 4 |
| Topological polar surface area | 80.3 Ų |
| HS code | 29157090 |
| InChIKey | XOOUIPVCVHRTMJ-UHFFFAOYSA-L |
| SMILES | CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Zn+2] |
| PubChem CID | 11178 |
| Synonyms | Stearic acid zinc salt, Zn Stearate, Octadecanoic acid, zinc salt, Zink distearat, Unichem ZS, Stearic acid, zinc salt, Dermarone, Synpro stearate, Dibasic zinc stearate, Petrac ZN-41, Talculin Z, Stavinor ZN-E |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H335May cause respiratory irritation
- H400Very toxic to aquatic life
- H413May cause long lasting harmful effects to aquatic life
Precautionary statements P261, P271, P273, P304 + P340, P319, P391, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 500 g | Quoted on request | |
| 5 kg | Quoted on request | |
| 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Zinc stearate
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Other grades with CAS 557-05-1
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- CAS
- 1404-93-9
- Formula
- C66H76Cl3N9O24
- MW
- 1485.7 g/mol
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