Is Trimethylolpropane Triisostearate safe in cosmetics?
Trimethylolpropane Triisostearate has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Emollient
Trimethylolpropane Triisostearate
Also known as: Isooctadecanoic acid, 1,1'-[2-ethyl-2-[[(1-oxoisooctadecyl)oxy]methyl]-1,3-propanediyl] ester, Isooctadecanoic acid, 2-ethyl-2-(((1-oxoisooctadecyl)oxy)methyl)-1,3-propanediyl ester, EINECS 271-347-5, 1,1,1-Trimethylolpropane triisostearate, UNII-Y32A6D7C6L
INCI: TRIMETHYLOLPROPANE TRIISOSTEARATE
Trimethylolpropane Triisostearate (CAS 68541-50-4) is a cosmetic emollient functioning as Skin Conditioning, Emollient. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
View industrial chemical safety profile for CAS 68541-50-4 →
Auto-generated CPSR Part A draft with source citations
Function
Skin Conditioning, Emollient
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
2,2-bis(16-methylheptadecanoyloxymethyl)butyl 16-methylheptadecanoate
InChIKey
RKJGFHYCZPZJPE-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Not restricted
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Trimethylolpropane Triisostearate.
Calculate MoS for your specific formulation with the MoS Calculator.
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
100 - 1,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Additional Ingredient Properties
1 property record from structured ingredient metadata.
emulsion_hlb
{"hlb_required_as_emulsifier": "no", "hlb_required_of_oil_phase": "5-6", "co_emulsifier_pairs": "sorbitan_isostearate,polyglyceryl_4_isostearate", "optimal_oil_phase_pct": "40-70", "optimal_water_phase_pct": "30-60", "droplet_size_range_um": "8-55", "creaming_resistance": "moderate", "coalescence_resistance": "excellent", "ostwald_ripening_resistance": "excellent", "freeze_thaw_stability": "good",…
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Humectant
Softener and conditioner
Expert Verdict
Expert safety assessment and concern-level summary for Trimethylolpropane Triisostearate.
Known Synonyms
Isooctadecanoic acid, 1,1'-[2-ethyl-2-[[(1-oxoisooctadecyl)oxy]methyl]-1,3-propanediyl] ester
Isooctadecanoic acid, 2-ethyl-2-(((1-oxoisooctadecyl)oxy)methyl)-1,3-propanediyl ester
EINECS 271-347-5
1,1,1-Trimethylolpropane triisostearate
UNII-Y32A6D7C6L
Chemical Function
Softener and conditioner
Humectant
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Trimethylolpropane Triisostearate allowed in the EU?
Trimethylolpropane Triisostearate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Trimethylolpropane Triisostearate do in cosmetics?
Trimethylolpropane Triisostearate functions as: Skin Conditioning, Emollient. It is classified as a Emollient in our database. CAS number: 68541-50-4.
Is Trimethylolpropane Triisostearate used outside cosmetics?
Trimethylolpropane Triisostearate also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Trimethylolpropane Triisostearate compliance across multiple jurisdictions:
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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