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Jacid urea

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  Post Date: Dec 06,2017
  Expiry Date: Dec 06,2018
  Detailed Description: Cas No. :134-47-4

Structural formula:

Specification:

Appearance dry grey-white powder
Content ≥80%
Free J acid ≤0.2%(HPLC)
Insoluble solid ≤0.3%
Chloride value ≤5%

Description:
C21H16O9N2S2
M.W:504.50
Use:Used as azo medium.Mainly used for the preparation of direct Orange S and direct acid-proof bright-red 4BS
Package:25kg-plastic-woven bag lined with a plastic bag inside

  CAS Registry Number:

134-47-4
  Synonyms: ;7,7-(carbonyldiimino)bis[4-hydroxy-2-naphthalenesulfonic acid];5,5-DIHYDROXY-7,7-DISULPHO-2,2-DINAPHTHYL UREA;J Acid Urea;4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid);7,7'-(Carbonyldiimino)bis[4-hydroxy-2-naphthalenesulfonic acid];6,6'-ureylene-bis(1-naphthol-3-sulfonic acid);phosgenated;N,N'-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea;7,7'-Ureylenebis(4-hydroxy-2-naphthalenesulfonic acid);N,N'-Bis[6-(1-naphthol-3-sulfonic acid)]urea;2-Naphthalenesulfonic acid, 7,7-(carbonyldiimino)bis4-hydroxy-;4-hydroxy-7-{[(5-hydroxy-7-sulfonaphthalen-2-yl)carbamoyl]amino}naphthalene-2-sulfonic acid;7,7'-Ureylene-bis-(4-hydroxynaphthalene-2-sulfonic acid);Carbonyl J Acid;
  Molecular Formula: C21H16N2O9S2
  Molecular Weight: 504.4897
  Molecular Structure: 134-47-4 4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid

  Company: Pingyuan Xinda Chemical Co.,ltd.     [ China ]        
  Contact: Xu
  Tel: +86-534-4290998 13326260777
  Fax: +86-534-4210998
  Email: yaoyuan@xdchem.com.cn
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