2-Amino-6-Chloro-4-Nitrophenol
AKA “Phenol, 6-Chloro-4-nitro-2-aminophenol, RODOL 9R BASE, COLOREX 2A6C4NP, DTXCID7023855, RefChem:85305”
Synthetic
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Ingredient Facts
2-Amino-6-Chloro-4-Nitrophenol
AKA: 6-Chloro-4-nitro-2-aminophenol, RODOL 9R BASE, COLOREX 2A6C4NP, DTXCID7023855, RefChem:85305
Synthetic · Hair Dyeing · EWG: 6
Plant-Derived
Synthetic
Clean
A hair color agent that helps create and set vibrant dye shades. Used in permanent hair coloring formulas to deliver long-lasting color results.
Formula
C6H5ClN2O3
Mol. Weight
188.57
CAS #
6358-09-4
Form
Powder
Plant-Derived
Synthetic. Synthesized from nitro-substituted chlorobenzene derivatives through multi-step organic chemistry reactions. Produced via nitration, chlorination, and amino group introduction of phenolic precursors.
Function
Hair Dyeing
Benefits
Colors Hair
Traditional Use
A synthetic hair dye intermediate developed to provide specific color nuances in oxidative hair coloring. The chlorine substituent was added to modify color development and stability.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
No
EWG Score6
CIR Safety Findings
ewg-6, medical-approval, all-shades-safe, Phototoxicity Concern
Concentration Guide
2.0%
0%3%
Reg. Limit
EU regulatory limit: 2.0%. (a) To be printed on the label: The mixing ratio. ‘ Hair colourants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of... Source: EU Cosmetics Regulation (EC) 1223/2009, Annex III (Restricted Substances), Entry 252.
Regulatory Agencies
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR