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Direct Black 19

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Direct Black 19

Product Name:

Direct Black 19
Synonyms:88694

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
CAS RN.:

6428-31-5
EINECS: 229-208-1
Molecular Weight: 839.77
Molecular Formula: C34H27N13Na2S2O7
Density: 1.727g/cm3
refractive_index: 1.817
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Direct Black 19

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Address: Silver Court, Intercity Way, Stanningley, LEEDS.West Yorkshire LS13 4LY, United Kingdom Other products:
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Telephone: +44 (0)113 256 4251
Fax: +44 (0) 113 239 3315
Web Site: www.dyes.co.uksvc/serv00217398
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