Is Propylene Glycol Butyl Ether safe in cosmetics?
Propylene Glycol Butyl Ether has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Propylene Glycol Butyl Ether
INCI: PROPYLENE GLYCOL BUTYL ETHER (ALSO KNOWN AS PNB; PPG-1 BUTYL ETHER IN SOME COSMETIC CONTEXTS)
Propylene Glycol Butyl Ether (CAS 5131-66-8 (primary); 29387-86-8 (alternate)) is a cosmetic cosmetic ingredient functioning as Solvent; coalescent; coupling agent (primarily industrial); limited cosmetic. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 5131-66-8 (primary); 29387-86-8 (alternate) →
Auto-generated CPSR Part A draft with source citations
Function
Solvent; coalescent; coupling agent (primarily industrial); limited cosmetic use as solvent
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
CIR Expert Panel reviewed PPG Butyl Ethers as a class — concluded safe in present practices of use when formulated to be nonirritating
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Propylene Glycol Butyl Ether.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Propylene Glycol Butyl Ether.
Frequently Asked Questions
Is Propylene Glycol Butyl Ether allowed in the EU?
Propylene Glycol Butyl Ether EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Propylene Glycol Butyl Ether do in cosmetics?
Propylene Glycol Butyl Ether functions as: Solvent; coalescent; coupling agent (primarily industrial); limited cosmetic use as solvent. It is classified as a cosmetic ingredient in our database. CAS number: 5131-66-8 (primary); 29387-86-8 (alternate).
Compliance Tools
Check Propylene Glycol Butyl Ether 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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