Colorant

4-Amino-3-Nitrophenol

INCI: 4-AMINO-3-NITROPHENOL
CAS 610-81-1 EC 210-236-8
4-amino-3-nitrophenol
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

4-amino-3-nitrophenol

Purpose

Function

Hair Dyeing (oxidative and non-oxidative hair dye)
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Permitted
Safety
MODERATE
US
Permitted
Absorptionmoderate
Sensitizationmoderate
MoSadequate
NOAEL10 mg/kg
ConcernModerate
Flags
eu_children_restrictedeu_cosing_listed
Verdict

Must not be used with nitrosating agents. Mandatory warnings: not for under-16; patch test advisory; hair colorants can cause severe allergic reactions.

US Note

Permitted under coal tar hair dye exemption; CIR-assessed within the amino nitrophenols group

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
610-81-1
EC Number
210-236-8
INCI
4-AMINO-3-NITROPHENOL
Category
Colorant
Updated
Apr 2, 2026