2,3-Dimethyl-4-formyl-1-phenyl-5-pyrazolone
INCI: 2,3-DIMETHYL-4-FORMYL-1-PHENYL-5-PYRAZOLONE
Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Formyl (aldehyde) group on pyrazolone ring - reactive electrophile; mandatory patch test labeling; limited independent safety data
Frequently Asked Questions
Is 2,3-Dimethyl-4-formyl-1-phenyl-5-pyrazolone safe in cosmetics?
Formyl (aldehyde) group on pyrazolone ring - reactive electrophile; mandatory patch test labeling; limited independent safety data The EU classifies 2,3-Dimethyl-4-formyl-1-phenyl-5-pyrazolone as "restricted". Safety rating: MODERATE.
Is 2,3-Dimethyl-4-formyl-1-phenyl-5-pyrazolone allowed in the EU?
2,3-Dimethyl-4-formyl-1-phenyl-5-pyrazolone EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does 2,3-Dimethyl-4-formyl-1-phenyl-5-pyrazolone do in cosmetics?
2,3-Dimethyl-4-formyl-1-phenyl-5-pyrazolone functions as: Hair dyeing - pyrazolone-type oxidative hair dye coupler. It is classified as a cosmetic ingredient in our database. CAS number: Not confirmed in available databases - structurally related to 4-amino-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one (CAS 83-07-8).
What is the Margin of Safety for 2,3-Dimethyl-4-formyl-1-phenyl-5-pyrazolone?
not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.
Compliance Tools
Check 2,3-Dimethyl-4-formyl-1-phenyl-5-pyrazolone compliance across multiple jurisdictions:
Related Ingredients
Is 2,3-Dimethyl-4-formyl-1-phenyl-5-pyrazolone in Your Products?
Scan any product label with Piro โ our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free โAnalyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for 2,3-Dimethyl-4-formyl-1-phenyl-5-pyrazolone in your formulation.