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DIRECT BLACK 19

DIRECT BLACK 19

Category :

Agrochemicals

CAS NO : 6428-31-5
EC NO : 229-208-1
Molecular Formula : C34H27N13Na2S2O7
Main Specifications :
Synonyms : 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;
DIRECT BLACK 19
Molecular Structure:DIRECT BLACK 19 6428-31-5
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Company：
    Dragon Chemical Group Co.,China
Contact：
   
Phone：
+86-571-88383188;86970388;+49-211-550203-21
Mobile phone：
Fax：
 +86-571-88391332;49-211-550203-10
E-mail：
 sales@dragon-chem.com
Website：
 http://www.dragon-chem.com
Address：
 16/Fl., Tower B, Qingchun Development Building, 66 East Qingchun Rd., Hangzhou, China
Zip Code：
 310016
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