4,4′-dihydroxy-7,7′-ureylenedi(naphthalene-2-sulphonic acid cas:134-47-4

Date：2021-11-24 Categories：Related Application Product

post date:	nov 24,2021
expiry date:	may 23,2022
detailed description:	cas no. :134-47-4 quantity: 100metric tons specs:99% price:12 usd kilograms payment method: t/t;l/c;d/a;d/p;western union etc. product name: 4,4′-dihydroxy-7,7′-ureylenedi(naphthalene-2-sulphonic acid cas no. : 134-47-4 appearance: white powder purity: 99%min packing: 25kg/drum use: intermediates for azo dyes

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: