| ???? |
Direct Black 19 |
| ?? ?? |
Direct Black 19; C.I. 35255; C.I. Direct Black 19; C.I. Direct Black 19 (VAN); C.I. Direct Black 19, disodium salt; Direct Fast Black G; C.I.Direct Black 19; disodium (3E)-5-amino-6-[(E)-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}diazenyl]-3-(2-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate; (3E)-5-amino-6-[(E)-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}diazenyl]-3-(2-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid; Direct Black G |
| ??? |
C34H27N13Na2S2O7 |
| ??? |
839.77 |
| InChI |
InChI=1/C34H29N13O7S2.2Na/c35-18-1-11-26(24(37)15-18)44-40-20-3-7-22(8-4-20)42-46-32-28(55(49,50)51)13-17-14-29(56(52,53)54)33(34(48)30(17)31(32)39)47-43-23-9-5-21(6-10-23)41-45-27-12-2-19(36)16-25(27)38;;/h1-16,48H,35-39H2,(H,49,50,51)(H,52,53,54);;/q;2*+1/p-2/b44-40+,45-41+,46-42+,47-43+;; |
| cas?? |
6428-31-5 |
| EC?? |
229-208-1 |
| ?? ?? |
|
| ?? |
1.727g/cm3 |
| ?? ?? |
1.817 |
| ??? ?? |
|
| ??? ?? |
|
| ?? ?? |
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