Is Butyl Isostearate safe in cosmetics?
Butyl Isostearate has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
Excellent
Cosmetic Ingredient
Butyl Isostearate
Also known as: EINECS 302-444-3
INCI: BUTYL ISOSTEARATE
Butyl Isostearate (CAS 94109-07-6) 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.
View industrial chemical safety profile for CAS 94109-07-6 →
Auto-generated CPSR Part A draft with source citations
Function
Skin conditioning agent, Emollient
Safety Rating
EXCELLENT
Chemistry & Identifiers
IUPAC Name
butyl 16-methylheptadecanoate
InChIKey
BKEUNIPSDCRXQK-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Favorable — low dermal absorption combined with low systemic toxicity (oral LD50 >5 g/kg for analogous butyl oleate) yields high MoS.
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Butyl Isostearate.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Softener and conditioner
Expert Verdict
Expert safety assessment and concern-level summary for Butyl Isostearate.
Known Synonyms
EINECS 302-444-3
Chemical Function
Softener and conditioner
Frequently Asked Questions
Is Butyl Isostearate allowed in the EU?
Butyl Isostearate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Butyl Isostearate do in cosmetics?
Butyl Isostearate functions as: Skin conditioning agent, Emollient. It is classified as a cosmetic ingredient in our database. CAS number: 94109-07-6.
Compliance Tools
Check Butyl Isostearate compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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