Is Isoamyl Stearate safe in cosmetics?
Isoamyl Stearate has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
Excellent
Cosmetic Ingredient
Isoamyl Stearate
Also known as: EINECS 222-981-6, UNII-ZGR06DO97T, 1-O-decyl-(9Z)-octadecenoate, 9-Octadecenoic acid, decyl ester, Decyl 9-octadecenoate (+3 more)
INCI: ISOAMYL STEARATE
Isoamyl Stearate (CAS 3687-46-5) is a cosmetic cosmetic ingredient functioning as Skin conditioning agent — 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 3687-46-5 →
Auto-generated CPSR Part A draft with source citations
Function
Skin conditioning agent — emollient
Safety Rating
EXCELLENT
Chemistry & Identifiers
IUPAC Name
decyl (Z)-octadec-9-enoate
InChIKey
SASYSVUEVMOWPL-NXVVXOECSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Isoamyl Palmitate/Stearate
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Isoamyl Stearate.
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
1,000 - 10,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Humectant
Lubricating agent
Plasticizer
Softener and conditioner
Regulatory List Membership (1)
EU Regulated in Personal Care
Expert Verdict
Expert safety assessment and concern-level summary for Isoamyl Stearate.
Known Synonyms
EINECS 222-981-6
UNII-ZGR06DO97T
1-O-decyl-(9Z)-octadecenoate
9-Octadecenoic acid, decyl ester
Decyl 9-octadecenoate
Oleic acid, decyl ester
decanol oleate ester
decyl oleate
Chemical Function
Softener and conditioner
Humectant
Plasticizer
Lubricating agent
Regulatory Lists
inert_ingredient; non_food_use; Pesticides
Europe; plastic_additive
Europe; Personal care
Europe; Personal care
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Isoamyl Stearate allowed in the EU?
Isoamyl Stearate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Isoamyl Stearate do in cosmetics?
Isoamyl Stearate functions as: Skin conditioning agent — emollient. It is classified as a cosmetic ingredient in our database. CAS number: 3687-46-5.
Is Isoamyl Stearate used outside cosmetics?
Isoamyl Stearate 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 Isoamyl Stearate compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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