4-Butyl-5-Methylthiazole

INCI: 4-BUTYL-5-METHYLTHIAZOLE

CAS Number
57246-60-3
Function
Fragrance / Masking agent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ 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 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Low-use fragrance ingredient with limited publicly available toxicological data; subject to IFRA standards if classified under a fragrance category.

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Concern Level: Low

Regulatory Flags

fragrance-component

Frequently Asked Questions

Is 4-Butyl-5-Methylthiazole safe in cosmetics?

Low-use fragrance ingredient with limited publicly available toxicological data; subject to IFRA standards if classified under a fragrance category. The EU classifies 4-Butyl-5-Methylthiazole as "permitted". Safety rating: GOOD.

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.

What is the Margin of Safety for 4-Butyl-5-Methylthiazole?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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