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CAS Number
2602-46-2
Name
Tetrasodium 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[5-amino-4-hydroxynaphthalene-2,7-disulphonate]
SIN Groups
Aromatic amines
Azo compounds Reason for inclusion on the SIN List
Classified CMR according to Annex VI of Regulation 1272/2008 Date for inclusion on the SIN List
2008 September
Hazard class and category code(s)
Source: ECHA Carc. 1B Repr. 2 
Chemical informationSynonyms
Tetranatrium-3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[5-amino-4-hydroxynaphthalin-2,7-disulfonat]; 3,3'-[[1,1'-bifenil]-4,4'-diilbis(azo)]bis[5-amino-4-hidroxinaftaleno-2,7-disulfonato] de tetrasodio; 3,3'-[[1,1'-biphényl]-4,4'-diylbis(azo)]bis[5-amino-4-hydroxynaphtalène-2,7-disulfonate] de tétrasodium; C.I. Direct Blue 6
EC number
220-012-1
Hazard statement code(s)
Source: ECHA H350 H361d ***
Possible uses
Source: HSDB
hair dyes , silk, wool, cotton, nylon, leather, paper, biologic stains, and writing inks
Technical function of substances
Source: HSDB Dye 
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