AKA: 92952-81-3, 4-[(3-Hydroxypropyl)amino]-3-nitrophenol, 4-((3-Hydroxypropyl)amino)-3-nitrophenol, Colorex RBN, Rot BN, Plakatrot Z, Covariane Rouge W 3127, HC Red BN
Synthetic
Not Clean
1-Hydroxy-3-nitro-4-(3-hydroxypropylamino)benzene
Formula
C9H12N2O4
Mol. Weight
212.20
CAS #
92952-81-3
Functions
Hair Dyeing
Colors Hair
Traditional Use
A synthetic hair dye ingredient developed in the mid-20th century. Engineered as a permanent hair color precursor to produce stable, long-lasting color.
EWG
5
CIR
Safe as used
Pregnancy
No
CIR Safety Findings
ewg-5
medical-approval
all-shades-safe
Concentration Guide
2.6%
0%4%
Reg. Limit
EU regulatory limit: 2.6%. (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 205