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Substance Name: Soaps, stocks, vegetable-oil, acidulated
RN: 68952-95-4


  • Sodium or potassium salts of long chain fatty acids. These detergent substances are obtained by boiling natural oils or fats with caustic alkali. Sodium soaps are harder and are used as topical anti-infectives and vehicles in pills and liniments; potassium soaps are soft, used as vehicles for ointments and also as topical antimicrobials.
  • TSCA Definition 2018: A complex combination of fatty acids, neutral vegetable-oil, proteins, and other minor components produced by boiling vegetable-oil soapstock with mineral acid and, optionally, further separating the oil phase acidulated soapstock from the aqueous phase.

Molecular Formula

  • Unspecified

Classification Code

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Links to Resources

NLM Resources (File Locators)

Regulatory Agencies (Superlist Locators)

Other Resources (Internet Locators)

Names and Synonyms

MeSH Heading

  • Soaps


  • Acidulated soapstock
  • Caswell No. 741
  • EC 273-179-8
  • EINECS 273-179-8
  • EPA Pesticide Chemical Code 079009
  • Neutral soap stock
  • Neutral soapstock
  • Soap
  • Soapstock, acidulated

Systematic Name

  • Soaps, stocks, vegetable-oil, acidulated

Superlist Name

  • Soap

Registry Numbers

CAS Registry Number

  • 68952-95-4

Other Registry Numbers

  • 68815-03-2
  • 68918-43-4
  • 68990-71-6

System Generated Number

  • 0068952954