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CAS 1 record

CAS 557-05-1

CAS 557-05-1 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 557-05-1
CAS 557-05-1PubChem CID 11178

Zinc Stearate

Zinc stearate is a white, hydrophobic powder with a slight, characteristic odor. Mp: 130 °C. Density: 1.1 g cm-3. Insoluble in water, ethyl alcohol and diethyl ether. Soluble in acids. Non-toxic. In technical grades, the percentage of zinc may vary according to the intended use. Products with less than the theoretical amount of zinc are more acidic. — CAMEO Chemicals

IUPAC name
zinc bis(octadecanoate)
Molecular formula
C36H70O4Zn
Molecular weight
632.3 g/mol
Exact mass
630.456552 Da
Topological polar surface area
80.3 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
4
Covalent units
3
Defined stereocentres
0

Also known as

Zinc octadecanoateZinc distearateZn StearateOctadecanoic acid, zinc saltHydenseHytechMatheCoad
16 more reported names
Zinci stearasZink distearatUnichem ZSZincum stearinicumStearic acid, zinc saltDermaroneMetallacSynpro stearateDibasic zinc stearatePetrac ZN-41Caswell No. 926Talculin ZStavinor ZN-EWitco Zinc Stearate USPMetasap 576Zinc stearate W. S
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External database identifiers

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 557-05-1

1 total
No records found for this CAS number.

How CAS 557-05-1 is used on this site

CAS 557-05-1 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 1 EU annex record shares this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 557-05-1 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.