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Ingredients

Ingredient Dictionary

POTASSIUM STEARATE

Molecular structure

How much products actually contain

No product states its amount yet.

Of the products containing it, 19 list it before the 1% line and 8 after it (usually 1% or less).

Products using this ingredient

12 of 27 confirmed · likeliest to carry enough first · See all 27

Definition

US FDA substance register · UNII 17V812XK50 · registered name POTASSIUM STEARATE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Potassium stearate

Cosmetic roles

Surfactant that lifts dirtSURFACTANT - CLEANSINGWashes away surface impuritiesCLEANSINGMixes and holds oil and water togetherSURFACTANT - EMULSIFYING

Safety & regulatory references

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

Reviewed by CIR: Annual Review of Cosmetic Ingredient Safety Assessment - 2001/2002

Source: US Cosmetic Ingredient Review (CIR)

Reviewed by CIR: Final Report of the Safety Assessment of Lithium Stearate, Aluminum Distearate, Aluminum Stearate, Aluminum Tristearate, Ammonium Stearate, Calcium Stearate, Magnesium Stearate, Potassium Stearate, Sodium Stearate, and Zinc Stearate

Source: US Cosmetic Ingredient Review (CIR)

Reviewed by CIR: Final Report: Safety Assessment of Fatty Acids and Fatty Acid Salts as Used in Cosmetics

Source: US Cosmetic Ingredient Review (CIR)

More data — names, identifiers, properties, test records, literature

Official labels & definitions

JCIA labelling name ステアリン酸K: 本品は、ステアリン酸(*)のカリウム塩であり、次の化学式で表される。

Source: JCIA labelling names (Japan)

Names & identifiers

POTASSIUM STEARATEINCI포타슘스테아레이트Korean label name (MFDS standard)Octadecanoic acid, potassium saltSynonymステアリン酸KJapanese labelling name
CAS No.chemical registry number
593-29-3
EC No.EU chemical inventory number
209-786-1
DTXSIDUS EPA chemical ID
DTXSID0042323
DTXCIDUS EPA compound ID
DTXCID8022323
IUPAC
Potassium octadecanoate
Molecular formula
C18H35KO2
Molecular weight
322.574 g/mol

Measured properties

Appearance
Dry Powder, Large Crystals, Liquid, Other Solid · solid
Colour
white
n-Octanol/water partition coefficient (Kow)
4.13
Molecular weight
322.63

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: PubChem · KOSHA safety data sheets (Korea)

What products actually use it for

What the 36 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

  • Emulsifier11
  • Surfactant (surface active agent)7
  • Lubricating agent6
  • Biocide3
  • Cleaning agent2
  • Processing aids not otherwise specified2
  • Thickening agent1
  • Wetting agent (non-aqueous)1
3 other uses
  • Waterproofing agent1
  • Heat stabilizer1
  • Hardener1

Source: US EPA CompTox dashboard

Related literature

Linked databases 18