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| Product Name: | 4-hydroxy-7-[(5-hydroxy-7-sulfonaphthalen-2-yl)carbamoylamino] naphthalene-2-sulfonic acid |
| CAS Registry Number: | 134-47-4 |
| EINECS: | 205-142-9 |
| Synonyms: |
6,6'-Ureylene-bis(1-naphthol-3-sulfonic acid); NSC45174; I Acid Urea; Scarlet Acid; 134-47-4;4-hydroxy-7-[(5-hydroxy-7-sulfonaphthalen-2-yl)carbamoylamino] naphthalene-2-sulfonic acid; NSC-45174; Carbonyl J Acid;Urea J Acid; |
| Molecular Structure: |
![CAS No:134-47-4 4-hydroxy-7-[(5-hydroxy-7-sulfonaphthalen-2-yl)carbamoylamino]<br />naphthalene-2-sulfonic acid](/structure/cas-134/134-47-4.png) |
| Molecular Formula: | C21H16N2O9S2 |
| Molecular Weight: | 504.48974 |
| Density: | 1.798 g/cm3 |
| Boiling Point: | °Cat760mmHg |
| Melting Point: | 130~132ºC |
| Flash Point: | °C |
| Refractive index: | 1.822 |