2-Amino-4-Nitrophenol Sulfate
AKA “Phenol, RefChem:369010, DTXCID00160138, 2-Amino-4-nitrophenyl hydrogen sulfate
Synthetic
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Ingredient Facts
2-amino-4-nitrophenol sulfate
AKA: RefChem:369010, DTXCID00160138, 2-Amino-4-nitrophenyl hydrogen sulfate
Synthetic · Hair Dyeing · EWG: 4
Plant-Derived
Synthetic
Clean
A color compound that helps permanent hair dyes develop rich, long-lasting shades on hair.
Formula
C6H6N2O6S
Mol. Weight
234.19
CAS #
89418-01-9
Form
Powder
Plant-Derived
Synthetic. Derived from nitrobenzene and aniline precursors within the synthetic organic chemistry family. Synthesized through nitration and subsequent amino group introduction via chemical reduction processes.
Function
Hair Dyeing
Benefits
Colors Hair
Traditional Use
A sulfate salt form of a synthetic hair dye intermediate developed for enhanced stability and solubility. It is used in permanent and semi-permanent hair coloring formulations.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
No
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe
Regulatory Status
USApermitted
EUpermitted
JAPANpermitted
CANADApermitted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR