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J acid Urea

• Category :

  Intermediates/Dyestuff intermediates

• 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;

• CAS NO :

  137-47-4

• EC NO :

  205-142-9

• Molecular Formula :

  C₂₁H₁₆N₂O₉S₂

• Molecular Weight :

  504.4897

• Main Specifications :

  80%min

• InChI :

  InChI=1/C21H16N2O9S2/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)

• Packing :

  25kg bag

• Product description :

  J acid Urea 137-47-4 High Quality Earliest Shipment Competitive price Professional Service Trade Name: J-acid urea Molecular formula and weight:C21H16O9N2S2 = 504.50 Structure: CAS No.: [137-47-4] Item Indication Appearance dry grey-white powder Content ≥80% Free J acid ≤0.2%(HPLC) Insoluble solid ≤0.3% Chloride value ≤5% Additional Information: Origin : China Package: 25kg-plastic-woven bag lined with a plastic bag inside Product Application:Used as azo medium.Mainly used for the preparation of direct Orange S and direct acid-proof bright-red 4BS

• Uses :

  industrial use

• Molecular Structure :