Is Magnesium Propionate safe in cosmetics?
Magnesium Propionate has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Magnesium Propionate
Also known as: EINECS 209-166-0, UNII-699E2A173P, Magnesium dipropionate
INCI: MAGNESIUM PROPIONATE
Magnesium Propionate (CAS 557-27-7) is a cosmetic cosmetic ingredient functioning as Preservative - protects cosmetic products from microbial spoilage. EU Regulation 1223/2009 status: permitted, max 2%. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
View industrial chemical safety profile for CAS 557-27-7 →
Auto-generated CPSR Part A draft with source citations
Function
Preservative - protects cosmetic products from microbial spoilage
Safety Rating
MODERATE
Chemistry & Identifiers
IUPAC Name
magnesium propanoate
InChIKey
CQQJGTPWCKCEOQ-UHFFFAOYSA-L
Regulatory Status
EU EU Status
permitted
EU Max Conc.
2%
US US Status
permitted
US Notes
Allowed - not prohibited or restricted; propionic acid and salts are CIR-reviewed
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Magnesium Propionate.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Preservative
Expert Verdict
Expert safety assessment and concern-level summary for Magnesium Propionate.
Regulatory Flags
potential-allergen
preservative
Known Synonyms
EINECS 209-166-0
UNII-699E2A173P
Magnesium dipropionate
Chemical Function
Preservative
Frequently Asked Questions
Is Magnesium Propionate allowed in the EU?
Magnesium Propionate EU regulatory status: permitted. Maximum allowed concentration: 2%. This is based on EU Regulation 1223/2009 and its amendments.
What does Magnesium Propionate do in cosmetics?
Magnesium Propionate functions as: Preservative - protects cosmetic products from microbial spoilage. It is classified as a cosmetic ingredient in our database. CAS number: 557-27-7.
Is Magnesium Propionate used outside cosmetics?
Magnesium Propionate also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Magnesium Propionate compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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