2,7-Naphthalenedisulfonicacid,4-amino-3,6-bis[2-[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]-5-hydroxy-,sodium salt (1:2) cas no:6428-31-5
Synonyms: 2,7-Naphthalenedisulfonicacid, 4-amino-3,6-bis[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-,disodium salt (9CI);C.I. Direct Black 19, disodium salt (8CI);Artificial SilkBlack G;Artificial Silk Black GN;Artificial Silk Black GR;Bali Viscose Black G;BencidalFast Black G;Benzanil Fast Black G;Benzo Fast Black G;Benzoform BlackRRA-CF;C.I. Direct Black 19;ChromeLeather Black GNA;Columbia Fast Black G;Daiwa Black 320H;Diamine Fast Black B;Direct Black 19;Direct Black L 3BG;Direct Fast BlackGU;Direct Fast Black SA;Direct Rayon Black KSG;Formal Fast Black 2B;Hispamin Fast Black CG;Kayarus Black G;Kayarus Black G Conc.;Orient Water Black 7;Phenamine Viscose Black RR;Pyrazol Fast Black GS;Rayon Black G;Rayon BlackGSN;Solar Black G;Sumilight Black G;Tertrodirect Black V;Tetrazo Deep Black GC Extra;Viscose Black GNA;Viscose Black J;Viscose Black N;Viscose Black NG;Vondacel Black VN;Water Black 100L;WaterBlack 108L;Water Black P 200;
Name2,7-Naphthalenedisulfonicacid,4-amino-3,6-bis[2-[4-[2-(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]-5-hydroxy-,sodium salt (1:2)
CAS6428-31-5
Synonyms2,7-Naphthalenedisulfonicacid, 4-amino-3,6-bis[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-,disodium salt (9CI);C.I. Direct Black 19, disodium salt (8CI);Artificial SilkBlack G;Artificial Silk Black GN;Artificial Silk Black GR;Bali Viscose Black G;BencidalFast Black G;Benzanil Fast Black G;Benzo Fast Black G;Benzoform BlackRRA-CF;C.I. Direct Black 19;ChromeLeather Black GNA;Columbia Fast Black G;Daiwa Black 320H;Diamine Fast Black B;Direct Black 19;Direct Black L 3BG;Direct Fast BlackGU;Direct Fast Black SA;Direct Rayon Black KSG;Formal Fast Black 2B;Hispamin Fast Black CG;Kayarus Black G;Kayarus Black G Conc.;Orient Water Black 7;Phenamine Viscose Black RR;Pyrazol Fast Black GS;Rayon Black G;Rayon BlackGSN;Solar Black G;Sumilight Black G;Tertrodirect Black V;Tetrazo Deep Black GC Extra;Viscose Black GNA;Viscose Black J;Viscose Black N;Viscose Black NG;Vondacel Black VN;Water Black 100L;WaterBlack 108L;Water Black P 200;
EINECS(EC#)229-208-1
Molecular FormulaC34H27N13Na2O7S2
Molecular Weight839.77062
Appearanceblack powder
refractive index1.817
