AKA: 2871-01-4, HC Red 3, Ethanol, H.C. Red 3, 4-(2-Hydroxyethyl)amino-3-nitroaniline, COLOREX HCR3, NCI-C54922
Synthetic
Not Clean
2-(4-Amino-2-nitroanilino)ethanol
Solubility less than 0.1 mg/mL at 64 °F (NTP, 1992)
Formula
C8H11N3O3
Mol. Weight
197.19
CAS #
2871-01-4
Form
Powder
State
Hc red 3 appears as fine dark maroon crystals or dark brown powder. (NTP, 1992)
Functions
Hair Dyeing
Colors Hair
Traditional Use
A synthetic aromatic dye developed for hair color cosmetics in the 20th century, designed to provide red tones in semi-permanent and temporary hair color products with improved fastness.