Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Highly volatile and flammable fragrance ingredient; Cramer Class I with inhalation exposure well below TTC threshold; not a PBT substance.
Regulatory Flags
Frequently Asked Questions
Is Isobutyl Formate safe in cosmetics?
Highly volatile and flammable fragrance ingredient; Cramer Class I with inhalation exposure well below TTC threshold; not a PBT substance. The EU classifies Isobutyl Formate as "permitted". Safety rating: GOOD.
Is Isobutyl Formate allowed in the EU?
Isobutyl Formate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Isobutyl Formate do in cosmetics?
Isobutyl Formate functions as: Fragrance. It is classified as a cosmetic ingredient in our database. CAS number: 542-55-2 [^1_11].
What is the Margin of Safety for Isobutyl Formate?
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
Check Isobutyl Formate compliance across multiple jurisdictions:
Related Ingredients
Is Isobutyl Formate in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Isobutyl Formate in your formulation.