Calcium stearate

CAS 1592-23-0[CH3(CH2)16COO]2CaChemical Synthesis

Calcium stearate (CAS 1592-23-0) is the calcium salt of stearic acid, with the chemical formula [CH3(CH2)16COO]2Ca and a molecular weight of 607.02 g/mol. This white, waxy powder functions primarily as an anti-caking agent, release agent, and stabilizer. It is widely employed in the production of plastics, pharmaceuticals, and cosmetics, where it aids in processing and improves product consistency. Tech Serve Solutions supplies this essential chemical compound for various industrial applications.

IUPAC: Stearic acid calcium salt

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Calcium stearate ([CH3(CH2)16COO]2Ca) — chemical structure, CAS 1592-23-0; Chemistry, fine chemical supplied by Tech Serve Solutions

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01 /Applications

Plastics Industry

Calcium stearate serves as a lubricant and release agent in the processing of plastics, particularly in PVC and polyolefins. It helps prevent sticking to machinery and improves the surface finish of molded parts.

Pharmaceutical Excipient

Utilised as an anti-caking agent and lubricant in tablet manufacturing, calcium stearate prevents powder sticking to punches and dies. It ensures uniform tablet weight and hardness.

Cosmetics and Personal Care

In cosmetic formulations, it functions as an anti-caking agent and emulsifier, contributing to the texture and stability of products like powders and creams.

Industrial Lubricant

Its properties make it suitable as a component in greases and other industrial lubricants, providing lubrication and anti-wear characteristics.

02 /Properties

Molecular weight	607.02
Linear formula	[CH3(CH2)16COO]2Ca
Assay	6.6-7.4% Ca basis
Loss on drying	≤3% loss on drying, 105 °C, 3 h
Impurities tested	≤0.004% heavy metals (as Pb)≤0.3% free acid (as stearic acid)

03 /Safety & handling

Anion traces	chloride (Cl-): ≤200 mg/kgsulfate (SO42-): ≤1000 mg/kg
Ignition residue	≤10%

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

1592-23-0

Beilstein registry

3919698

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Calcium stearate primarily used for?

Calcium stearate is primarily used as an anti-caking agent, release agent, and stabilizer in various industrial applications, including plastics, pharmaceuticals, and cosmetics.

What is the CAS number and chemical formula for Calcium stearate?

The CAS number for Calcium stearate is 1592-23-0, and its chemical formula is [CH3(CH2)16COO]2Ca.

What grade and purity does Tech Serve Solutions supply for Calcium stearate?

Tech Serve Solutions supplies Calcium stearate with an assay of 6.6-7.4% Ca basis. It is a technical grade material and not represented as USP/BP/EP.

How should Calcium stearate be handled safely?

Handle Calcium stearate with appropriate personal protective equipment. Avoid dust formation and ensure good ventilation. Refer to the Safety Data Sheet (SDS) for comprehensive handling information and potential hazards.

Does Tech Serve Solutions export Calcium stearate?

Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Calcium stearate, serving customers worldwide.

How can I request a quote or sample for Calcium stearate?

To request a quote or sample for Calcium stearate, please contact our sales team through the website or by phone, providing your specific requirements.