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1-Hexyl 4,5-Diamino Pyrazole Sulfate

A cosmetic ingredient used as hair dyeing in skincare, haircare, and personal-care products sold in the European Union.

What is it?

1H-Pyrazole-4,5-diamine, 1-hexyl-, sulfate (2:1)

What does it do?

1-Hexyl 4,5-Diamino Pyrazole Sulfate is listed in the EU cosmetic ingredient inventory with the following declared functions:

  • Hair dyeing

    colours hair, either by depositing pigment on the surface or by chemically altering the hair's natural pigment

EU regulatory status

This ingredient is restricted in the European Union.

1-Hexyl 4,5-Diamino Pyrazole Sulfate is listed under Annex III of EU Cosmetics Regulation 1223/2009 (entry 300). It is permitted only under specific conditions, concentration limits, or in particular product types.

Frequently asked questions

What is 1-Hexyl 4,5-Diamino Pyrazole Sulfate?

1-Hexyl 4,5-Diamino Pyrazole Sulfate is a cosmetic ingredient catalogued in the EU CosIng database. 1H-Pyrazole-4,5-diamine, 1-hexyl-, sulfate (2:1)

Is 1-Hexyl 4,5-Diamino Pyrazole Sulfate allowed in cosmetics in the EU?

Only with restrictions. 1-Hexyl 4,5-Diamino Pyrazole Sulfate is permitted in EU cosmetics only under specific conditions defined in Annex III of Regulation 1223/2009.

What does 1-Hexyl 4,5-Diamino Pyrazole Sulfate do in cosmetic products?

1-Hexyl 4,5-Diamino Pyrazole Sulfate is declared in the EU cosmetic ingredient inventory with these functions: hair dyeing.

What is the CAS number of 1-Hexyl 4,5-Diamino Pyrazole Sulfate?

The CAS (Chemical Abstracts Service) number for 1-Hexyl 4,5-Diamino Pyrazole Sulfate is 1361000-03-4.

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Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 13/03/2018