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Direct Red 31

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  Post Date: Aug 05,2016
  Expiry Date: Aug 05,2017
  Detailed Description: Cas No. :5001-72-9 APPEARANCE:RED-BROWN POWDER
SHADE:SIMILAR TO STANDARD
STRENGTH:100%
PAKCING:25/50KG BAGS OR DRUMS(AS PER BUYER'S REQUEST)

  CAS Registry Number:

5001-72-9

  Synonyms: ;C.I.Direct Red 31;Disodium 7,7'-iminobis(4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate);Direct Pink 5B;2-Naphthalenesulfonic acid, 7,7'-iminobis(4-hydroxy-3-(2-phenyldiazenyl)-, sodium salt (1:2);2-Naphthalenesulfonic acid, 7,7'-iminobis(4-hydroxy-3-(2-;EINECS 225-669-8;2-Naphthalenesulfonic acid, 7,7'-iminobis(4-hydroxy-3-(phenylazo)-, disodium salt;disodium (3E,3'E)-7,7'-iminobis[4-oxo-3-(2-phenylhydrazinylidene)-3,4-dihydronaphthalene-2-sulfonate];
  Molecular Formula: C32H21N5Na2O8S2
  Molecular Weight: 713.6474
  Molecular Structure: 5001-72-9 Direct Red 31

  Company: Tianjin Leading Import & Export Co., Ltd.     [ China ]        
  Contact: MR ZHU
  Tel: 0086-22-27824571 27824591
  Fax: 0086-22-27827649
  Email: info@tianjinleading.com
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