Is 4-Butyl-5-Methylthiazole safe in cosmetics?
4-Butyl-5-Methylthiazole has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
4-Butyl-5-Methylthiazole
Also known as: EINECS 260-645-0
INCI: 4-BUTYL-5-METHYLTHIAZOLE
4-Butyl-5-Methylthiazole (CAS 57246-60-3) is a cosmetic cosmetic ingredient functioning as Fragrance / Masking agent. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 57246-60-3 →
Auto-generated CPSR Part A draft with source citations
Function
Fragrance / Masking agent
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
4-butyl-5-methyl-1,3-thiazole
InChIKey
FOBITDGBIATDTQ-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Not specifically restricted by FDA. No CIR review identified. General cosmetic use as fragrance ingredient.
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for 4-Butyl-5-Methylthiazole.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Fragrance
Expert Verdict
Expert safety assessment and concern-level summary for 4-Butyl-5-Methylthiazole.
Regulatory Flags
fragrance-component
Known Synonyms
EINECS 260-645-0
Chemical Function
Fragrance
Australian Status
AICIS status: listed
Frequently Asked Questions
Is 4-Butyl-5-Methylthiazole allowed in the EU?
4-Butyl-5-Methylthiazole EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does 4-Butyl-5-Methylthiazole do in cosmetics?
4-Butyl-5-Methylthiazole functions as: Fragrance / Masking agent. It is classified as a cosmetic ingredient in our database. CAS number: 57246-60-3.
Compliance Tools
Check 4-Butyl-5-Methylthiazole 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
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Heavy Metal Limits
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