Esters Available — Bulk Only

Calcium Stearate

CaSt2
CAS 1592-23-0 · Formula C36H70CaO4 · MW 607.0 g/mol

A metallic-soap additive that lubricates, releases, and scavenges acid across plastics and building materials. It stabilizes PVC resins, acts as a release agent for molded plastics, and waterproofs fabrics, cement, and stucco.

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HS Code
2915.70
At a Glance
Material Family
Esters
Record Type
Pure compound
Primary Role
Surfactancy · Color / Pigmentation
Functional Roles
Surfactancy Color / Pigmentation Viscosity Modification Lubrication Slip / Release Preservation
INCI Name
CALCIUM STEARATE
CosIng Functions
ANTICAKINGCOLORANTEMULSION STABILISINGVISCOSITY CONTROLLING
Industries Served
Beauty & Personal Care Industrial Manufacturing Plastics & Polymers
Applications & Use Cases
  • ▸ PVC stabilizer: Co-stabilizer and acid scavenger for PVC resins.
  • ▸ Release agent: Mold-release agent for molded plastics.
  • ▸ Lubricant: Lubricant and anti-caking agent.
  • ▸ Waterproofing: Water-repellent for fabrics, cement, and stucco.
  • ▸ Coatings: Flatting agent in paints.
Physical Properties
Physical Description
Pellets or Large Crystals, Liquid, Other Solid; Pellets or Large Crystals; Pellets or Large Crystals, Liquid; Dry Powder, Pellets or Large Crystals; Water or Solvent Wet Solid; Dry Powder; Liquid; Dry Powder, Water or Solvent Wet Solid; Other Solid
Appearance
FINE, WHITE TO YELLOWISH WHITE, BULKY POWDER
Melting Point
Melting point equals 217 ° F
Solubility
Slightly sol in hot vegetable and mineral oils; quite sol in hot pyridine
Density
1.12 g/cm³
Safety & Handling
Full SDS available on request

A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.

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HS / Tariff Classification
Harmonized System (HS) Code — 6-digit international heading
2915 . 70
Chapter 29
Organic chemicals
Heading 29.15
Internationally harmonized (WCO HS)
Subheading 2915.70
6-digit international code — national tariff line adds further digits
Chemical Identity
CAS Number
1592-23-0
Molecular Formula
C36H70CaO4
Molecular Weight
607.0 g/mol
IUPAC Name
calcium bis(octadecanoate)
INCI Name
CALCIUM STEARATE
PubChem CID
15324
InChI Key
CJZGTCYPCWQAJB-UHFFFAOYSA-L
Synonyms & Trade Names
CALCIUM STEARATE Calcium octadecanoate Octadecanoic acid, calcium salt Calcium distearate Calstar Flexichem Aquacal Flexichem CS Stavinor 30 Stearic acid, calcium salt Calcium bis(stearate) Nopcote C 104 Witco G 339S G 339S G 339 S calcium;octadecanoate Stearates Stearic acid calcium salt
Full Description

Calcium stearate (CAS 1592-23-0) is the calcium salt of stearic acid, used as a lubricant, release agent, and stabilizer. It stabilizes PVC resins, acts as a release agent for molded plastics, and waterproofs fabrics, cement, and stucco. It also serves as a lubricant and anti-caking agent.

Frequently Asked Questions

What is calcium stearate used for?

Calcium stearate, the calcium salt of stearic acid, is used as a PVC co-stabilizer and acid scavenger, a mold-release agent for molded plastics, a lubricant and anti-caking agent, a water-repellent for fabrics/cement/stucco, and a flatting agent in paints. RawSource supplies it in bulk to manufacturers.

What is the chemical formula of calcium stearate?

Calcium stearate has formula C36H70CaO4 (CAS 1592-23-0), formed from two stearate groups bound to calcium. HS code 2915.70.

Is calcium stearate water soluble?

Calcium stearate is practically insoluble in water; it is a metallic soap typically dispersed rather than dissolved in aqueous systems. Refer to the SDS and technical data sheet for solubility and handling details.

What grades of calcium stearate does RawSource supply?

Calcium stearate is supplied as a powder for plastics, coatings, and lubricant applications; specific grade, particle size, and packaging are confirmed at quote, with a CoA and SDS provided per lot.

What is the cost of bulk calcium stearate?

Bulk pricing depends on grade, packaging, and order volume. RawSource quotes industrial quantities; request a bulk quote with your target volume for current pricing.

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Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.

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