Is Cobalt Acetylmethionate safe in cosmetics?
Cobalt Acetylmethionate has a safety rating of "MODERATE" in our database. EU status: prohibited. US status: permitted.
Moderate
Cosmetic Ingredient
Cobalt Acetylmethionate
Also known as: Cobalt, bis(N-(acetyl-kappaO)-L-methioninato-kappaO)-, Cobalt, bis(N-acetyl-L-methioninato-O,ON)-
INCI: COBALT ACETYLMETHIONATE
Cobalt Acetylmethionate (CAS 105883-52-1) is a cosmetic cosmetic ingredient functioning as Skin conditioning (astringent); antiperspirant agent. EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 105883-52-1 →
Auto-generated CPSR Part A draft with source citations
Function
Skin conditioning (astringent); antiperspirant agent
Safety Rating
MODERATE
Chemistry & Identifiers
IUPAC Name
bis((2S)-2-acetamido-4-methylsulfanylbutanoate);cobalt(2+)
InChIKey
FNKYXRYEKDLGDY-UAIGZDOSSA-L
Regulatory Status
EU EU Status
prohibited
US US Status
permitted
US Notes
FDA — no specific prohibition on this salt. However, cobalt compounds carry known sensitization and toxicity flags
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Cobalt Acetylmethionate.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Antiperspirant
Expert Verdict
Expert safety assessment and concern-level summary for Cobalt Acetylmethionate.
Regulatory Flags
potential-allergen
Known Synonyms
Cobalt, bis(N-(acetyl-kappaO)-L-methioninato-kappaO)-
Cobalt, bis(N-acetyl-L-methioninato-O,ON)-
Chemical Function
Antiperspirant
Regulatory Lists
Canada; Personal care; Substances in PCP - Canada (4/2014)
Frequently Asked Questions
Is Cobalt Acetylmethionate allowed in the EU?
Cobalt Acetylmethionate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does Cobalt Acetylmethionate do in cosmetics?
Cobalt Acetylmethionate functions as: Skin conditioning (astringent); antiperspirant agent. It is classified as a cosmetic ingredient in our database. CAS number: 105883-52-1.
Compliance Tools
Check Cobalt Acetylmethionate 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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