| Identification | |
| Name: | 4-Hydroxy-3-nitrobenzenearsonic acid |
| Synonyms: | Roxarsone; 2-nitrophenol-4-arsonic acid; 4-Hydroxy-3-nitrophenylarsonic acid; Nitrophenol-4-arsenic acid; 3-Nitro-4-Hydroxybenzenearsonic acid |
| CAS: | 121-19-7 |
| EINECS: | 204-453-7 |
| Molecular Formula: | C6H6AsNO6 |
| Molecular Weight: | 263.04 |
| InChI: | InChI=1/C6H6AsNO6/c9-6-2-1-4(7(10,11)12)3-5(6)8(13)14/h1-3,9H,(H2,10,11,12) |
| Molecular Structure: |  |
| Properties | |
| Transport: | UN 3465 |
| Flash Point: | 240.3°C |
| Boiling Point: | 537.3°Cat760mmHg |
| Density: | g/cm3 |
| Stability: | Stable under normal shipping and handling conditions. |
| Solubility: | <0.1 g/100 mL at 23 ºC |
| Appearance: | Pale yellow crystals or light tan powder. |
| Specification: |
4-Hydroxy-3-nitrobenzenearsonic acid (121-19-7) is sensitive to light and elevated temperatures on long-term storage. Roxarsone puffs up and deflagrates on heating. Incompatible with strong oxidizers and strong acids. Forms mono-, di-, and trisodium salts. |
| Report: |
NTP Carcinogenesis Studies (Feed); Equivocal Evidence rat NTPTR* National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No. 206- NTP-TR-345 ,1989. ; (Feed); No Evidence mouse NTPTR* National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No. 206- NTP-TR-345 ,1989. . Arsenic and its compounds are on the Community Right-To-Know List. Reported in EPA TSCA Inventory. |
| Packinggroup: | III |
| Flash Point: | 240.3°C |
| Storage Temperature: | 0-6°C |
| Color: | Tufts of pale-yellow needles or rhombohedral plates from water Pale-yellow crystals |
| Usage: | Antiprotozoan agent (growth promoter) for poultry, antibacterial agent (growth promoter) for poultry, reagent for zirconium. |
| Safety Data | |
| Hazard Symbols |
T:Toxic
N:Dangerousfortheenvironment
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