HC Blue 1

Synonyms

HC Blue No. 1; 1-Methylamino-2-nitro-4-(bis-2-hydroxyethyl)aminobenzene; 2,2'-((4-(Methylamino)-3-nitrophenyl)imino)diethanol; Ethanol, 2,2'-((4-(methylamino)-3-nitrophenyl)imino)bis-; Ethanol, 2,2'-((4-(methylamino)-3-nitrophenyl)imino)di-; HC Blue No 1; HC Blue Number 1; N',N'-Bis(2-hydroxyethyl)-N-methyl-2-nitro-p-phenylenediamine; N,N-Bis(2-hydroxyethyl)-N'-methyl-3-nitro-p-phenylenediamine; N-Methyl-amino-2-nitro-4-N',N'-bis-(2-hydroxyethyl)-aminobenzene; N1,N1-Bis(2-hydroxyethyl)-N4-methyl-3-nitro-p-phenylenediamine; p-Phenylenediamine, N,N-bis(2-hydroxyethyl)-N'-methyl-2-nitro-; [ChemIDplus]

Category

Other Dyes

Description

Dark blue or bluish-black solid; [HSDB]

Sources/Uses

Used as semi-permanent hair dye until the mid-1980s; [IARC] No known current commercial production or use; [HSDB]

Comments

A skin, eye, and respiratory tract irritant; May cause eye injury; Can be absorbed through skin; [CAMEO] Increased benign and malignant liver tumors in mice in chronic feeding studies; [IARC]

Biomedical References

Possible (2b)

Processes

Industrial Processes with risk of exposure:

• Dressing Hair