Is 1,3,4,6-Tetramethyl-2-Pyrimidone Sulfate safe in cosmetics?
1,3,4,6-Tetramethyl-2-Pyrimidone Sulfate has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
1,3,4,6-Tetramethyl-2-Pyrimidone Sulfate
INCI: 1,3,4,6-TETRAMETHYL-2-PYRIMIDONE SULFATE
1,3,4,6-Tetramethyl-2-Pyrimidone Sulfate (CAS Not publicly assigned for the sulfate salt form; base pyrimidone CAS 78365-50-1 (different isomer)) is a cosmetic cosmetic ingredient functioning as Hair dyeing. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
Not publicly assigned for the sulfate salt form; base pyrimidone CAS 78365-50-1 (different isomer)
View industrial chemical safety profile →
Function
Hair dyeing
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Not specifically restricted by FDA; no CIR review found
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for 1,3,4,6-Tetramethyl-2-Pyrimidone Sulfate.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for 1,3,4,6-Tetramethyl-2-Pyrimidone Sulfate.
Frequently Asked Questions
Is 1,3,4,6-Tetramethyl-2-Pyrimidone Sulfate allowed in the EU?
1,3,4,6-Tetramethyl-2-Pyrimidone Sulfate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does 1,3,4,6-Tetramethyl-2-Pyrimidone Sulfate do in cosmetics?
1,3,4,6-Tetramethyl-2-Pyrimidone Sulfate functions as: Hair dyeing. It is classified as a cosmetic ingredient in our database. CAS number: Not publicly assigned for the sulfate salt form; base pyrimidone CAS 78365-50-1 (different isomer).
Compliance Tools
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MoS Calculator
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Heavy Metal Limits
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