| Identification |
| Name: | 2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-3-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2) |
| Synonyms: | 2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-3-(p-nitrophenylazo)-, disodium salt (6CI);2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-nitrophenyl)azo]-, disodiumsalt (9CI);C.I. Acid Red 176 (7CI);C.I. Acid Red 176, disodium salt (8CI);4,5-Dihydroxynaphthalene-3-(4-nitrophenylazo)-2,7-disulfonic acid disodiumsalt;C.I. 16575;C.I. Mordant Black 93;Chromotrope 2B;Chromotrope Red 4B;Cr-2B;Naphtocard Fast Red 3B;PCR 2B;Poly-chromotrope 2B;p-Nitrobenzeneazochromotropic acid sodium salt; |
| CAS: | 548-80-1 |
| EINECS: | 208-959-9 |
| Molecular Formula: | C16H9N3Na2O10S2 |
| Molecular Weight: | 513.36 |
| InChI: | InChI=1/C16H11N3O10S2.2Na/c20-12-7-11(30(24,25)26)5-8-6-13(31(27,28)29)15(16(21)14(8)12)18-17-9-1-3-10(4-2-9)19(22)23;;/h1-7,20-21H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b18-17+;; |
| Molecular Structure: |
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| Properties |
| Flash Point: | °C |
| Boiling Point: | °Cat760mmHg |
| Density: | g/cm3 |
| Appearance: | dark green to dark purple crystalline powder |
| Flash Point: | °C |
| Safety Data |
| Hazard Symbols |
Xi: Irritant
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