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Calcium Stearate

Chemical Name: Octadecanoic Acid Calcium Salt

CAS#: 1592-23-0

  • Product Details & Information

    Calcium stearate is an odorless, white powder used in many manufacturing processes and preparations. Also known as calcium salt and octadecanoic acid, it is a carboxylate created by heating stearic acid and calcium oxide.

    Acme-Hardesty manufactures both vegetable- and tallow-based calcium stearate for a wide range of industrial processes. Our products are NF-graded for food and pharmaceutical applications, and they are available in a certified-kosher formulation.

  • Uses & Applications

    Food, Pharma and Nutraceuticals: Mold Release for Tableting, Stabilizer, Emulsifier, Source of Calcium, Excipient, Anti-Tack Agent

    Cosmetics: Anti-Caking Agent in Powdered Cosmetics

    Lubricants and Greases: Thickening Agent

    Personal Care: Anti-Tack and Gelling Agent

    Plastics: Internal and External Lubricant in PVC Rigid Extrusion, Polyethylene Chain Length Modifier and a De-Dusting Agent

    Rubber: Release Aid, Adhesion Prevention

    Calcium stearate has many potential uses, including as a flow agent, stabilizing agent and surface conditioner in the production of certain foods — notably, many candies. It is used as a mold-release agent for pharmaceutical tablets and capsules, as an anti-caking agent in cosmetics and as a thickener in lubricants and greases. It is also a stabilizer found in many plastics and is used to process concrete and paper.

  • Grades and Forms Available

    Veg Based NF Kosher or Tallow Based, in Powder Form

    Calcium Stearate From Acme-Hardesty

    Acme-Hardesty has been manufacturing high-quality industrial chemicals for more than 70 years. Our calcium stearate powder is GMO-, peanut-, tree nut-, egg-, soy- and dairy-free, and it has a shelf life of up to two years if stored properly.

    To meet the needs of a diverse group of customers, we offer both a 100-percent vegetable-based product and a tallow product, which is derived from a combination of animal fats and vegetable oil. Both are REACH-registered and contain no Class I, II or III residual solvents. Use Acme-Hardesty calcium stearate in food, pharma and a wide range of other industry applications.

  • Packaging

    Bags, Supersacks. Our NF Kosher Powder is also available in 50# Bags in our Online Store.

    Handling Precautions

    Download the calcium stearate MSDS on this page for a detailed list of handling and storage precautions. Calcium stearate poses a risk of creating combustible dust formations in the air, and you should only use it in a properly ventilated environment. Store the product in a dry place and cover it when not in use. Wear safety glasses, protective gloves and respiratory protection at all times.

    Contact Us to Request a Quote Today

    Acme-Hardesty is a leading calcium stearate supplier for some of today's most prominent manufacturers. Request a quote today.

  • Shelf Life

    Two Years from Date of Manufacture when stored according to MSDS recommendations

  • INCI Name

    Calcium Stearate

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Sales Specifications of Calcium Stearate NF Kosher Powder

ParametersSpecificationsTest Methods
Appearance White Powder
Calcium Content, % 6.8 – 7.4
Calcium Oxide (CaO), % 9.0 – 10.5
Moisture Content, % 3.0 maximum
Heavy Metals, ppm 10 maximum
Ash Content, % 9.5 – 10.5
Free Fatty Acids % 1 maximum
Identification A Passes Test
Identification B (Titer °C) 54 minimum
Mean Particle Size Micron 11 Typical
Bulk Density (G/Cc) 0.18 Typical
Melting Point, °C 148 – 160
Fineness Thru 325 Mesh, % 99 – 100
Residual Solvents Passes Test
Typical Composition, %
C16 0 – 56
C18 40 – 100
Specs & MSDS of Calcium Stearate NF Kosher Powder
Specs & MSDS of Calcium Stearate Tallow Powder