Agent Name

C.I. Basic Red 9

Alternative Name

Basic Parafuchsine

CAS Number

569-61-9

Formula

C19-H17-N3.Cl-H

Major Category

Dyes

Synonyms

Basic Parafuchsine; 4,4',4"-Triaminotriphenylmethane hydrochloride; 4,4'-((4-Imino-2,5-cyclohexadien-1-ylidene)methylene)dianiline monohydrochloride; 4,4'4''-Triaminotriphenylmethan-hydrochlorid [German]; 4-Toluidine, alpha-(p-aminophenyl)-alpha-(4-imino-2,5-cyclohexadien-1-ylidene)-monohydrochloride; Basic Red 9; Basic parafuchsine; C.I. 42500; C.I. Basic Red 9 (VAN); C.I. Basic Red 9, monohydrochloride; CI 42500; CI Basic Red 9; CI Basic Red 9, monohydrochloride; Calcozine magenta N; Cerven zasadita 9 [Czech]; Fuchsine DR-001; Fuchsine SP; Fuchsine SPC; Orient Para Magenta Base; Parafuchsin [German]; Parafuchsine; Parafuksin; Paraosaniline hydrochloride; Pararosaniline chloride; Pararosaniline hydrochloride; Schultz-tab No. 779; Schultz-tab. No. 779 [German]; p-Fuchsin; p-Rosaniline hydrochloride; 4,4'-(4-Iminocyclohexa-2,5-dienylidenemethylene)dianiline hydrochloride; Benzenamine, 4,4'-((4-imino-2,5-cyclohexadien-1-ylidene)methylene)bis-, hydrochloride (1:1); Benzenamine, 4-((4-aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl)-, monohydrochloride; C.I. Basic Red 9, monohydrochloride (8CI); [ChemIDplus]

Category

Di- and Triaryl Dyes

Description

Red or green solid; [CAMEO]

Sources/Uses

Used as a textile dye, ink, coloring agent, and biological stain; [HSDB] One of the dyes in the mixture produced in the past during "magenta production"; [Reference #1]

Comments

A skin, eye, and respiratory tract irritant; [MSDSonline] See "Magenta production."

Reference Link

IARC 2012: Magenta and Magenta Production

Exposure Assessment
Vapor Pressure

9.26E-10 mm Hg

Adverse Effects
IARC Carcinogen

Possible Carcinogen

NTP Carcinogen

Anticipated Human Carcinogen

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: