Is Isononyl Propionate safe in cosmetics?
Isononyl Propionate has a safety rating of "MODERATE" in our database. EU status: prohibited. US status: permitted.
Moderate
Cosmetic Ingredient
Isononyl Propionate
INCI: ISONONYL PROPIONATE
Isononyl Propionate (CAS Not widely cited in major databases (limited public CAS data available; may be supplier-specific)) is a cosmetic cosmetic ingredient functioning as Emollient, skin conditioning agent. As a propionic acid ester of isononyl. EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
Not widely cited in major databases (limited public CAS data available; may be supplier-specific)
View industrial chemical safety profile →
Function
Emollient, skin conditioning agent. As a propionic acid ester of isononyl alcohol, it functions similarly to other isononyl esters
Safety Rating
MODERATE
Regulatory Status
EU EU Status
prohibited
US US Status
permitted
US Notes
Allowed - not specifically prohibited or restricted for cosmetic use
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Isononyl Propionate.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Isononyl Propionate.
Regulatory Flags
ifra_fragrance
Frequently Asked Questions
Is Isononyl Propionate allowed in the EU?
Isononyl Propionate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does Isononyl Propionate do in cosmetics?
Isononyl Propionate functions as: Emollient, skin conditioning agent. As a propionic acid ester of isononyl alcohol, it functions similarly to other isononyl esters. It is classified as a cosmetic ingredient in our database. CAS number: Not widely cited in major databases (limited public CAS data available; may be supplier-specific).
Compliance Tools
Check Isononyl Propionate compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
Is Isononyl Propionate in Your Products?
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