Is Isopropyl 3-Methylthiocrotonate safe in cosmetics?
Isopropyl 3-Methylthiocrotonate has a safety rating of "GOOD" in our database. EU status: prohibited. US status: permitted.
Good
Cosmetic Ingredient
Isopropyl 3-Methylthiocrotonate
INCI: ISOPROPYL 3-METHYLTHIOCROTONATE
Isopropyl 3-Methylthiocrotonate (CAS 34365-80-3) is a cosmetic cosmetic ingredient functioning as Fragrance ingredient. EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 34365-80-3 →
Auto-generated CPSR Part A draft with source citations
Function
Fragrance ingredient
Safety Rating
GOOD
Regulatory Status
EU EU Status
prohibited
US US Status
permitted
US Notes
Permitted — no CFR prohibition; IFRA-listed fragrance material
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Isopropyl 3-Methylthiocrotonate.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Isopropyl 3-Methylthiocrotonate.
Regulatory Flags
fragrance-component
Frequently Asked Questions
Is Isopropyl 3-Methylthiocrotonate allowed in the EU?
Isopropyl 3-Methylthiocrotonate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does Isopropyl 3-Methylthiocrotonate do in cosmetics?
Isopropyl 3-Methylthiocrotonate functions as: Fragrance ingredient. It is classified as a cosmetic ingredient in our database. CAS number: 34365-80-3.
Compliance Tools
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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