Regulatory Status
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Safety Data
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Expert Verdict
Sulfur-containing fragrance ingredient with fruity/tropical notes; very low-volume use only with possible off-odor at degradation; limited standalone toxicology data but TTC-cleared.
Regulatory Flags
Frequently Asked Questions
Is Isopropyl 3-Methylthiobutyrate safe in cosmetics?
Sulfur-containing fragrance ingredient with fruity/tropical notes; very low-volume use only with possible off-odor at degradation; limited standalone toxicology data but TTC-cleared. The EU classifies Isopropyl 3-Methylthiobutyrate as "permitted". Safety rating: GOOD.
Is Isopropyl 3-Methylthiobutyrate allowed in the EU?
Isopropyl 3-Methylthiobutyrate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Isopropyl 3-Methylthiobutyrate do in cosmetics?
Isopropyl 3-Methylthiobutyrate functions as: Fragrance ingredient (fruity/tropical note). It is classified as a cosmetic ingredient in our database. CAS number: 34322-06-0.
What is the Margin of Safety for Isopropyl 3-Methylthiobutyrate?
adequate 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.
Compliance Tools
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Related Ingredients
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