Direct Brown 2
Agent Name
Direct Brown 2
CAS Number
2429-82-5
Formula
C29-H19-N5-O7-S.2Na
Major Category
Dyes
Synonyms
Direct Brown KX; Airedale Brown MD; Aizen Direct Brown MH; Amanil Brown MR; Atlantic Brown M; Atul Direct Brown MR; Atul Direct Brown MY; Azine Brown M; Azocard Brown M; Azocord Brown M; Azomine Brown M; Belamine Fast Brown M; Bencidal Fast Brown M; Beneidal Fast Brown M; Benzanil Brown M; Benzanol Brown M; Benzo Brown M; Benzo Brown MC; Benzoic acid, 5-((4'-((7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, disodium salt; Brasilamina Fast Brown 3RA; Brazilamina Fast Brown 3RA; Brown M; C.I. 22 311; C.I. 22311; C.I. Direct Brown 2 (VAN); CI 22311; CI Direct Brown 2; CI Direct Brown 2, disodium salt; Calcomine Brown MCW; Chloramine Brown 2ME; Chloramine Brown 2R; Chloramine Brown M; Chloramine Brown MR; Chlorazol Brown M; Chlorazol Brown MP; Chrome Leather Brown M; Columbia Brown M; Cresotine Brown RC; Crestine Brown RC; Cutamin Brown CM; Cutamine Brown CM; Diacotton Brown M; Diamine Brown M; Diamine Brown MBA-CF; Diamine Brown MR; Diamine Brown MRC; Diaphtamine Brown M; Diazine Brown M; Diazine Brown MWR; Diazo Brown MC; Diazol Brown M; Diphenyl Brown 3RB; Diphenyl Brown BVV; Diphenyl Brown V; Diphenyl Fast Brown M; Diphenyl Fast Brown MD; Direct Brown 3RB; Direct Brown KKh; Direct Brown M (6CI); Direct Brown MB; Direct Brown MR; Direct Brown RC; Direct Brown RMR; Direct Fast Brown M; Direct Fast Brown MM; Direct Fast Brown V; Direct Fast Brown VR; Enianil Fast Brown M; Erie Fast Brown 3RB; Erie Fast Brown 3RBD; Fenamin Brown M; Fixanol Brown M; Hispamin Fast Brown 3R2B; Japanol Brown M; Kayaku Direct Brown M; Mahogany EMBL; Mitsui Direct Brown M; Naphtamine Brown DC; Napthamine Brown DC; Neklamin Brown M; Nyanza Fast Brown M; Orbamin Brown MS; Paramine Fast Brown M; Phenamine Brown MB; Pheno Brown MRS; Pontamine Brown RMR; Sugai Direct Brown M; Tertrodirect Brown MJ; Tetrodirect Brown MJ; Union Brown DR; Vondacel Brown M; [ChemIDplus]
Category
Benzidine Dyes
Description
Reddish-brown or dark brown solid; [CAMEO]
Sources/Uses
Used as dye for cellulose and nylon fibers, silk, wool, paper, leather, and cosmetics; [HSDB]
Comments
No information available on health hazards: [CAMEO] One of the azo dyes metabolized to benzidine--known to be a human carcinogen; [NTP] See "C.I. Direct Brown 95."
Biomedical References
Adverse Effects
NTP Carcinogen
Human carcinogen
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: