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J acid Urea

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  Post Date: Oct 11,2018
  Expiry Date: Oct 11,2019
  Detailed Description: Cas No. :137-47-4 Payment Method: T/T D/A D/P L/C
J acid Urea 137-47-4
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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

  CAS Registry Number:

137-47-4
  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: 137-47-4 4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid

  Company: Sinoright International Trade Co. Ltd.     [ China ]          
  Contact: Harry Du
  Tel: 0086-411-86596755 39210844 130
  Fax: 0086-411-86596060 39210855
  Email: harry.du@sinoright.net
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