4,5-Diamino-1-((4-Chlorophenyl)Methyl)-1H-Pyrazole Sulfate

INCI: 4,5-DIAMINO-1-((4-CHLOROPHENYL)METHYL)-1H-PYRAZOLE SULFATE

4,5-Diamino-1-((4-Chlorophenyl)Methyl)-1H-Pyrazole Sulfate (CAS 163183-00-4) is a cosmetic cosmetic ingredient functioning as Hair Dye (oxidative coupler/precursor). EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 163183-00-4 →

Auto-generated CPSR Part A draft with source citations
Function
Hair Dye (oxidative coupler/precursor)
Safety Rating
POOR

Chemistry & Identifiers

Formula
C20H24Cl2N8O4S
MW
543.4 g/mol
PubChem CID
71587557
IUPAC Name
bis(1-[(4-chlorophenyl)methyl]pyrazole-4,5-diamine);sulfuric acid
InChIKey
MWVYCEZCRWSZKR-UHFFFAOYSA-N

Regulatory Status

EU EU Status prohibited
US US Status permitted
US Notes Coal tar hair dye exemption technically applies with mandatory labeling

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for 4,5-Diamino-1-((4-Chlorophenyl)Methyl)-1H-Pyrazole Sulfate.

Calculate MoS for your specific formulation with the MoS Calculator.

EU CosIng Annex Listing

European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.

Annex II — Prohibited
Ref: 1218
(EC) 2009/1223

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

SA Saudi SFDA (II - Prohibited)
BRIN Brazil/India Cosmetics
Brazil: Prohibited
India: Prohibited (GNRAS)
Additional Jurisdictional Restrictions (1)
Jurisdiction Status Max % Product Type
KR prohibited - -

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Dye
Regulatory List Membership (2)
EU Banned in Cosmetics EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for 4,5-Diamino-1-((4-Chlorophenyl)Methyl)-1H-Pyrazole Sulfate.

Regulatory Flags

eu_banned_cosmetics eu_cosing_listed

Chemical Function

Dye

Regulatory Lists

banned; Europe; Personal care

Frequently Asked Questions

Is 4,5-Diamino-1-((4-Chlorophenyl)Methyl)-1H-Pyrazole Sulfate safe in cosmetics?

4,5-Diamino-1-((4-Chlorophenyl)Methyl)-1H-Pyrazole Sulfate has a safety rating of "POOR" in our database. EU status: prohibited. US status: permitted.

Is 4,5-Diamino-1-((4-Chlorophenyl)Methyl)-1H-Pyrazole Sulfate allowed in the EU?

4,5-Diamino-1-((4-Chlorophenyl)Methyl)-1H-Pyrazole Sulfate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does 4,5-Diamino-1-((4-Chlorophenyl)Methyl)-1H-Pyrazole Sulfate do in cosmetics?

4,5-Diamino-1-((4-Chlorophenyl)Methyl)-1H-Pyrazole Sulfate functions as: Hair Dye (oxidative coupler/precursor). It is classified as a cosmetic ingredient in our database. CAS number: 163183-00-4.

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