Is 2,3-Butanediol safe in cosmetics?
2,3-Butanediol has a safety rating of "MODERATE" in our database. EU status: restricted. US status: restricted.
Moderate
Cosmetic Ingredient
2,3-Butanediol
INCI: 2,3-BUTANEDIOL
2,3-Butanediol (CAS 513-85-9 (meso); 5341-95-7 (D-form); 24347-58-8 (L-form)) is a cosmetic cosmetic ingredient functioning as Solvent, humectant, skin conditioning agent. EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
513-85-9 (meso); 5341-95-7 (D-form); 24347-58-8 (L-form)
View industrial chemical safety profile →
Function
Solvent, humectant, skin conditioning agent
Safety Rating
MODERATE
Regulatory Status
EU EU Status
restricted
US US Status
restricted
US Notes
Not specifically restricted; however, CIR (2024) found insufficient data to determine safety
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for 2,3-Butanediol.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for 2,3-Butanediol.
Regulatory Flags
ifra_fragrance
Frequently Asked Questions
Is 2,3-Butanediol allowed in the EU?
2,3-Butanediol EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does 2,3-Butanediol do in cosmetics?
2,3-Butanediol functions as: Solvent, humectant, skin conditioning agent. It is classified as a cosmetic ingredient in our database. CAS number: 513-85-9 (meso); 5341-95-7 (D-form); 24347-58-8 (L-form).
Compliance Tools
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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