Pingyuan Xinda Chemical Co.,ltd.

J Acid Urea Disodium Salt

• Category :

  Intermediates

• Synonyms :

  2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis(4-hydroxy-, sodium salt (1:2);2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis(4-hydroxy-, disodium salt;Disodium 7,7'-(carbonyldiimino)bis(4-hydroxynaphthalene-2-sulphonate);disodium 4-hydroxy-7-{[(5-hydroxy-7-sulfonatonaphthalen-2-yl)carbamoyl]amino}naphthalene-2-sulfonate;7,7'-Ureylene-bis-(4-hydroxynaphthalene-2-sulfonic acid)disodium salt;J Acid Urea Disodium Salt;

• CAS NO :

  20324-87-2

• EC NO :

  243-735-4

• Molecular Formula :

  C₂₁H₁₄N₂Na₂O₉S₂

• Molecular Weight :

  548.4534

• Main Specifications :

  Content≥85%

• InChI :

  InChI=1/C21H16N2O9S2.2Na/c24-19-9-15(33(27,28)29)7-11-5-13(1-3-17(11)19)22-21(26)23-14-2-4-18-12(6-14)8-16(10-20(18)25)34(30,31)32;;/h1-10,24-25H,(H2,22,23,26)(H,27,28,29)(H,30,31,32);;/q;2*+1/p-2

• Product description :

  Basic information
  CAS: 20324-87-2
  Molecular formula: C₂₁H₁₆N₂O₉S₂
  Molecular weight: 548.45
  Product name: 7,7'-(carbonyldiimino)bis[4-hydroxy-2-naphthalenesulfonic acid disodium salt；sodium 6,6'-(1,3-ureylene)bis(1,1'-naphthol)-3,3'-sulfonate
  Properties: light grey paste. Soluble in water, easily soluble in alkaline solutions.
  Quality index:
  Appearance: grey white or reddish brown uniform powder
  Assay: ≥70%
  Free J acid: ≤1.5%
  Insoluble matter: ≤0.2%
  Uses: As intermediate for azo dyes such as direct orange S[1] and direct fast scarlet 4BS[2], and etc.

• Molecular Structure :