Aluminium tristearate is an aluminium salt.
How much products actually contain
No product states its amount yet.
Of the products containing it, 3 list it before the 1% line and 2 after it (usually 1% or less).
Products using this ingredient
5 of 5 confirmed · likeliest to carry enough first
Definition
Aluminium tristearate is an aluminium salt. It contains an octadecanoate.
Source: PubChem
US FDA substance register · UNII U6XF9NP8HM · registered name ALUMINUM STEARATE · single chemical substance
Cosmetic roles
Safety & regulatory references
- Allowed colourant
- United States
Source: US FDA prohibited and restricted ingredients
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
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
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
Reviewed by CIR: Final Report: Safety Assessment of Fatty Acids and Fatty Acid Salts as Used in Cosmetics
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name トリステアリン酸Ａｌ: 本品は、ステアリン酸（＊）のアルミニウム塩であり、次の化学式で表される。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 637-12-7
- EC No.EU chemical inventory number
- 211-279-5
- DTXSIDUS EPA chemical ID
- DTXSID0027278
- DTXCIDUS EPA compound ID
- DTXCID407278
- IUPAC
- Aluminium trioctadecanoate
- Molecular formula
- C54H105AlO6
- Molecular weight
- 877.41 g/mol
Measured properties
- Appearance
- CBI, Dry Powder · White solid, [Hawley] White powder, Insoluble in water, [MSDSonline]
- Melting point
- 118 °C
- Solubility
- Insoluble in water, soluble in ethanol, petroleum ether. · When freshly made, soluble in alcohol, benzene, oil turpentine, mineral oils.
- Density
- 1.070
- Stability
- Low melting solids or colorless, volatile liquids. /Alkylaluminum halides/ · Less sensitive than trialkylaminums to oxidation upon exposure to air. /Alkylaluminum halides/
- Colour
- white
- pH
- 5.34
- Melting/freezing point
- 179.5 ℃
- Initial boiling point and range
- &, gt, 250 ℃ (976.5 hPa)
- Flash point
- 199.6 ℃
- Flammability (solid, gas)
- not flammable
- Vapour pressure
- 0 ㎩ (25℃)
- Vapour density
- 1.066 g/㎤
- Relative density
- 1.07
- n-Octanol/water partition coefficient (Kow)
- 22.69 (log Pow)
- Auto-ignition temperature
- 375 ℃
- Molecular weight
- 877.41
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 42 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.
- Lubricating agent8
- Viscosity modifier6
- Anti-caking agent5
- Emulsifier4
- Dye3
- Processing aids not otherwise specified3
- Thickening agent2
- Surfactant (surface active agent)2
9 other uses
- Anti-adhesive/cohesive1
- Stabilizing agent1
- Opacifer1
- Softener and conditioner1
- Heat stabilizer1
- Defoamer1
- Filler1
- Dispersing agent1
- Surface modifier1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
5 skin studies and 2 eye studies are on record.
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 7 studies
- Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · other guideline: Draize method according to - Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · other guideline: 49 CFR 173.240(a)(1) according to - Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · other guideline: as mentioned below according to - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to other guideline: - Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · other guideline: as mentioned below equivalent or similar to - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · other guideline: as mentioned below according to - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · other guideline: Draize method according to
Source: US EPA CompTox dashboard
Related literature
Linked databases 20
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- NIST Chemistry WebBook
- PubChem 2
- Tlooto literature search
- UniChem cross-reference IDs
- US Cosmetic Ingredient Review (CIR) 2 3 4
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA prohibited and restricted ingredients
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata