direct black 19
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| Post Date: | Jun 25,2015 |
| Expiry Date: | Dec 22,2015 |
| Detailed Description: | Cas No. :6428-31-5 |
| CAS Registry Number: | 6428-31-5 |
| 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; |
| Molecular Formula: | C34H27N13Na2S2O7 |
| Molecular Weight: | 839.77 |
| Molecular Structure: | 
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| Company: | Jadechem (Ningbo) Co.,ltd. [ China ] |
| Contact: | Wang |
| Tel: | +86-0574-89075960 |
| Fax: | +86-0574-56877286 |
| Email: | info@jadechem-colours.com |
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