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2,7-Naphthalenedisulfonicacid,3,3'-[[1,1'-biphenyl]-4,4'-diylbis(2,1-diazenediyl)]bis[5-amino-4-hydroxy-,sodium salt (1:4) (2602-46-2)

Identification
Name:2,7-Naphthalenedisulfonicacid,3,3'-[[1,1'-biphenyl]-4,4'-diylbis(2,1-diazenediyl)]bis[5-amino-4-hydroxy-,sodium salt (1:4)
Synonyms:1-Naphthol-3,6-disulfonicacid, 2,2'-(4,4'-biphenylylenebisazo)bis[8-amino-, tetrasodium salt (6CI);2,7-Naphthalenedisulfonic acid,3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[5-amino-4-hydroxy-, tetrasodiumsalt (9CI);C.I. Direct Blue 6, tetrasodium salt(8CI);Airedale Blue 2BD;Aizen Direct Blue 2BH;Amanil Blue 2BX;Atlantic Blue2B;Atul Direct Blue 2B;Azocard Blue 2B;Azomine Blue 2B;Belamine Blue 2B;Bencidal Blue 2B;Benzanil Blue 2B;Benzo Blue 2B;BenzoBlue BBN-CF;Blue 2B salt;Calcomine Blue 2B;Chloramine Blue 2B;Chlorazol BlueBP;Chrome Leather Blue 2B;Cresotine Blue 2B;Diamine Blue;Diamine Blue 2B;Diamine Blue BB;DiazolBlue 2B;Diphenyl Blue 2B;Direct Blue2B;Direct Blue 2BA;Direct Blue A;Direct BlueGS;Direct Blue K;Direct Sky Blue K;Enianil Blue 2BN;Fixanol Blue 2B;Hispamin Blue 2B;Naphtamine Blue 2B;Niagara Blue 2B;Nippon Blue BB;Paramine Blue 2B;Phenamine Blue BB;Pheno Blue 2B;Tertrodirect Blue 2B;Vondacel Blue 2B;
CAS:2602-46-2
EINECS: 220-012-1
Molecular Formula: C32H20N6Na4O14S4
Molecular Weight: 932.78
InChI: InChI=1/C32H24N6O14S4.4Na/c33-23-13-21(53(41,42)43)9-17-11-25(55(47,48)49)29(31(39)27(17)23)37-35-19-5-1-15(2-6-19)16-3-7-20(8-4-16)36-38-30-26(56(50,51)52)12-18-10-22(54(44,45)46)14-24(34)28(18)32(30)40;;;;/h1-14,35-36H,33-34H2,(H,41,42,43)(H,44,45,46)(H,47,48,49)(H,50,51,52);;;;/q;4*+1/p-4/b37-29+,38-30+;;;;
Molecular Structure: (C32H20N6Na4O14S4) 1-Naphthol-3,6-disulfonicacid, 2,2'-(4,4'-biphenylylenebisazo)bis[8-amino-, tetrasodium salt (6CI);2...
Properties
Solubility:Sol in water; slightly sol in ethanol and ethylene glycol monoethyl ether; insol in other organic solvents.
Appearance:Dark blue microcrystals or black powder
Specification:

 C.I. Direct blue 6, tetrasodium salt ,its CAS NO. is 2602-46-2,the synonyms is Calcomine blue 2b ; Benzo blue 2b ; Chlorazol blue b ; CI no 22610 ; CI 22610 ; CI 262610 ; Diamine blue ; Direct blue .

Report:

NTP 10th Report on Carcinogens. IARC Cancer Review: Animal Sufficient Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 29 , 1982,p. 311.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human Inadequate Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 29 , 1982,p. 311.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . NCI Carcinogenesis Bioassay (feed); Clear Evidence: rat NCITR*    National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD 20014) No. NCI-CG-TR-108 ,1978. ; No Evidence: mouse NCITR*    National Cancer Institute Carcinogenesis Technical Report Series. (Bethesda, MD 20014) No. NCI-CG-TR-108 ,1978. . Reported in EPA TSCA Inventory. Community Right-To-Know List.

Color: Blue violet solid
Safety Data
 

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