Zinc stearate, 10-12% Zn basis

Name: Zinc stearate, 10-12% Zn basis
Brand: Vaqora Chemicals
SKU: VQ-008665

About Zinc stearate, 10-12% Zn basis

Vaqora Chemicals supplies Zinc stearate, a carboxylic acid registered under CAS number 557-05-1, specified at 10–12% purity. The compound has the formula C36H70O4Zn, corresponding to a molecular weight of 632.3 g/mol. Its systematic (IUPAC) name is zinc bis(octadecanoate). Alternative names: Stearic acid zinc salt and Zn Stearate.

The material typically appears as a white to off-white powder. Reported physical data include a melting point of 128-130 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Key uses span metallurgy and plating and rubber compounding. Buyers come mainly from pharmaceutical manufacturing, academic and industrial research and polymers and plastics.

Standard pack sizes are 500 g, 1 kg and 5 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Metallurgy & plating
Rubber compounding

Industries

Specifications & identifiers

Chemical identifiers
Product name	Zinc stearate, 10-12% Zn basis
Catalogue No.	VQ-008665
CAS Number	557-05-1
IUPAC name	zinc bis(octadecanoate)
Molecular formula	C₃₆H₇₀O₄Zn
Molecular weight	632.3 g/mol
Exact mass	630.4566
Purity / assay	10–12%
HSN code	29157090
InChIKey	XOOUIPVCVHRTMJ-UHFFFAOYSA-L
SMILES	CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Zn+2]
PubChem CID	11178

Physical properties
Physical form	Powder
Appearance	White to off-white powder
Melting point	128-130 °C
H-bond donors / acceptors	0 / 4
TPSA	80.3 Å²
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

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 557-05-1

Synthesis

Zinc stearate

CAS: 557-05-1
Formula: C₃₆H₇₀O₄Zn
MW: 632.3 g/mol

VQ-008664

Frequently asked questions

What is the CAS number of Zinc stearate, 10-12% Zn basis?

The CAS Registry Number of Zinc stearate, 10-12% Zn basis is 557-05-1. It is also known as Stearic acid zinc salt, Zn Stearate, Octadecanoic acid, zinc salt.

What is the molecular formula and molecular weight of Zinc stearate, 10-12% Zn basis?

Zinc stearate, 10-12% Zn basis has the molecular formula C36H70O4Zn and a molecular weight of 632.3 g/mol. Its IUPAC name is zinc bis(octadecanoate).

Which grade and pack sizes of Zinc stearate, 10-12% Zn basis can I order?

We supply Zinc stearate, 10-12% Zn basis in (10–12%) grade, in 500 g, 1 kg, 5 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Zinc stearate, 10-12% Zn basis?

Yes. Every lot of Zinc stearate, 10-12% Zn basis is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Zinc stearate, 10-12% Zn basis be shipped internationally?

Yes. Zinc stearate, 10-12% Zn basis is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.