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Details for China J-Acid Urea

J-Acid Urea 134-47-4

Category :

Intermediates/Dyestuff intermediates

J-Acid Urea
CAS NO : 134-47-4
EC NO : 205-142-9
MF : C21H16N2O9S2
MW : 504.4897
Specification : Content ≥80%
Product description :

Molecule Structural Formula:


Characteristics:

CAS.
134-47-4
Appearance
off-white powder (dry)
Assay
≥80%
Free acid
≤0.2%(HPLC)
Insolubles
≤0.2%
Chlorinity
≤5%


Others:

Chemical formula: C21H16O9N2S2

Molecular weight: 504.50

Uses: intermediate of Azo dyes, mainly used in the preparation of direct orange S, direct acid scarlet 4 BS, etc.

Synonyms : 7,7-(carbonyldiimino)bis[4-hydroxy-2-naphthalenesulfonic acid];5,5-DIHYDROXY-7,7-DISULPHO-2,2-DINAPHTHYL UREA;J Acid Urea;Bis-J Acid;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);
Molecular Structure : J-Acid Urea 134-47-4