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Potassium Stearate OPK-1000 MB

INCI Name: Potassium Stearate
Product Code: 0277
CAS #: 66072-07-9
EINECS: 266-119-7
Brand: OPK™

Potassium Stearate OPK-1000 is a Potassium Stearate that consists predominantly of the potassium salts of saturated C16 and C18 fatty acids. Potassium Stearate OPK-1000 finds application as a primary cleansing agent in various products for hair, face and body and as a co-emulsifier in lotions, balms, assorted color cosmetics, and hair styling waxes. Potassium Stearate OPK-1000 may be used as a lubricant and/or stabilizer in polyolefin, PVC and acrylic rubber manufacture. It is also an emulsifier in the polymerization of butadiene and polymerizable compounds as acrylonitrile, styrene and acrylic esters, yielding synthetic rubbers. Potassium stearate is also a catalyst in the manufacture of mono- & diglycerides and the component that makes many glyceryl esters “self-emulsifying.”

Features & Benefits:

  • Cleansing Agent
  • Emulsifying Agent (O/W)
  • Lubricant
Appearance Free Flowing White to Pale Yellow Powder
Odor Mild Fatty Aroma
Free Fatty Acids (%) 0.7
Free Alkalinity (%) Nil
Water [Moisture] (%) 2
Insoluble In
  • Aromatic Solvents
  • Cosmetic Esters
  • Glycols
  • Mineral Oil
  • Oleic Acid
  • Vegetable Oil
  • Waxes (molten)
Soluble In
  • Alcohol [Ethanol] (hot)
  • Methyl Alcohol
  • Water (hot)
Toxicology Profile
  • CIR Expert Panel: Safe as used at levels of up to 12%
  • JACT/IJT Reference(s): JACT 1(2): 143-77 (1982), confirmed 11/01: IJT 22(S1):1-35, 2003
  • Ocular / Eye Irritation: May cause slight irritation in susceptible individuals
  • Skin Irritation: Prolonged contact may cause irritation
  • Upper Respiratory Tract Irritation: Dust may cause irritation
  • Bag - 50lbs

Regional Approvals:

  • Australia
  • Canada
  • Korea
  • US


  • Bar Soaps
  • Acid neutralizer
  • Daily Wear Sun Care
  • Acid neutralizer
  • Acid neutralizer
  • Acid neutralizer
  • Acid neutralizer
  • Acid neutralizer
  • Shampoos
  • Acid neutralizer
  • Acid neutralizer
  • Acid neutralizer


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The information presented herein is believed to be accurate and reliable, but no warranty or guarantee, expressed or implied, is made regarding the information or the performance of any product. Further, nothing contained herein shall be taken as any inducement or recommendation to use, manufacture or sell that may infringe any patents or any other proprietary rights now or hereafter in existence, nor to imply compliance with any regulatory requirements

The Hallstar Company - 120 South Riverside Plaza Suite 1620 - Chicago, IL 60606-3911 USA