2-Amino-3-Nitrophenol
molecular structure · PubChem
AKA: 603-85-0, 2-Hydroxy-6-nitroaniline, 3-Nitro-2-aminophenol, 2-Amino-3-hydroxynitrobenzene, CCRIS 2544
WHAT IS IT?
Synthetic
Not Clean
2-amino-3-nitrophenol
Formula
C6H6N2O3
Mol. Weight
154.12
CAS #
603-85-0
Form
Powder
WHAT DOES IT DO?
Functions
Hair Dyeing
Colors Hair
Traditional Use
A synthetic aromatic amine developed in the early 20th century for use in hair dye formulations. It functions as a dye precursor that develops color through oxidation in alkaline conditions.
IS IT CLEAN?
EWG
4
CIR
Safe as used
Pregnancy
No
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Status
USA
✔ permitted
EU
✔ permitted
JAPAN
✔ permitted
CANADA
✔ permitted
Regulatory Agencies
EWG
CIR
FDA
EU COSING
Health Canada
IS IT FOR ME?
Skin Types
●
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
No
CAN I TRUST THIS?
The paper trail
🔬
Peer-reviewed
none on file
⚖️
Regulatory
0 listings
🛡️
Safety-assessed
2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR