Colorant

2-Amino-6-Chloro-4-Nitrophenol

INCI: 2-AMINO-6-CHLORO-4-NITROPHENOL
CAS 6358-09-4 EC 228-762-1
2-amino-6-chloro-4-nitrophenol
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

2-amino-6-chloro-4-nitrophenol

Purpose

Function

Hair dyeing (semi-permanent and oxidative)
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Banned
Safety
POOR
US
Permitted
EU Max Concentration2.0%
Absorptionlow
Sensitizationhigh
MoSadequate
NOAEL30 mg/kg
ConcernHigh
Flags
eu_cosing_listed
Verdict

CLP hazards: H315 (skin irritant Cat 2), H317 (skin sensitiser Cat 1A), H319 (eye irritant Cat 2). Mandatory patch test warning on label. The CIR Panel reaffirmed safety in 2012 but noted no basis for changing consumer patch-test advice.

US Note

CIR concluded safe at concentrations up to 2.0% in hair dye formulations

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
6358-09-4
EC Number
228-762-1
INCI
2-AMINO-6-CHLORO-4-NITROPHENOL
Category
Colorant
Updated
Apr 2, 2026