P.A.T Calcium Stearate is a fine, white powder. It is an insoluble salt of calcium, stearic acid, and palmitic acid. Recognized as physiologically safe, calcium stearate has gained increasing importance in recent years. This substance remains insoluble in most solvents. While it dissolves only slightly when heated in aromatic compounds, chlorinated hydrocarbons, or vegetable and mineral oils and waxes,

Chemical Name: Calcium Stearate

CAS Number: 1592-23-0

Synonyms: Calcium bis(stearate), Calcium distearate, Calcium octadecanoate

Technical Data Sheet

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Identification & Functionality

Chemical Family
Chemical Name
Molecular formula
Chemical Structure

P.A.T Antistat 00313 - Chemical Structure - 1 
Chemical Structure of P.A.T Calcium Stearate

Features & Benefits

Product Properties
  • P.A.T Calcium Stearate, which is recognized as physiologically safe, has become increasingly important in recent years.
  • P.A.T Calcium Stearate is insoluble in most solvents. It dissolves only slightly when heated in aromatic compounds, chlo- rinated hydrocarbons or vegetable and mineral oils and waxes.

Applications & Uses


Calcium stearate has many applications in a wide range of industries. Among others, it is used as a release agent, lubricant, and acid scavenger.


Physical Form
White fine powder
Physical Properties
ValueUnitsTest Method / Conditions
Calcium Content6.5 - 7.3%Certified*
Total Ash Content9.1 - 10.2%07-CC-MA
Free Fatty Acids Contentmax. 1.0%06-CC-MA
Moisture Contentmax. 3%03-CC-MA
Fineness (passes 325 mesh)min. 99%02-CC-MA
Fineness (passes 200 mesh)min. 99.5%02-CC-MA
Bulk Density0.16 - 0.22g/cm³08-CC-MA
Specific Gravity1.08--
Molecular Weight607--

Packaging & Availability

Packaging Type
Regional Availability
  • Global
Packaging Information

Calcium stearate is packaged in 50 lbs lined kraft paper bags. 40 bags per pallet. Super sacks and custom packaging are also available upon request.