Is Methoxy-Methylbutanethiol safe in cosmetics?
Methoxy-Methylbutanethiol has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Methoxy-Methylbutanethiol
INCI: METHOXY-METHYLBUTANETHIOL
Methoxy-Methylbutanethiol (CAS Not explicitly listed in CosIng/COSMILE entries; PubChem lists the compound 4-Methoxy-2-methylbutanethiol under CID 87289881) is a cosmetic cosmetic ingredient functioning as Fragrance. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
Not explicitly listed in CosIng/COSMILE entries; PubChem lists the compound 4-Methoxy-2-methylbutanethiol under CID 87289881
View industrial chemical safety profile →
Function
Fragrance
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Allowed - not specifically prohibited; fragrance use regulated via IFRA/RIFM
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Methoxy-Methylbutanethiol.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Methoxy-Methylbutanethiol.
Regulatory Flags
potential-allergen
fragrance-component
Frequently Asked Questions
Is Methoxy-Methylbutanethiol allowed in the EU?
Methoxy-Methylbutanethiol EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Methoxy-Methylbutanethiol do in cosmetics?
Methoxy-Methylbutanethiol functions as: Fragrance. It is classified as a cosmetic ingredient in our database. CAS number: Not explicitly listed in CosIng/COSMILE entries; PubChem lists the compound 4-Methoxy-2-methylbutanethiol under CID 87289881.
Compliance Tools
Check Methoxy-Methylbutanethiol 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
Is Methoxy-Methylbutanethiol in Your Products?
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Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Methoxy-Methylbutanethiol in your formulation.