Roxarsone
Synonym(s):2-Nitrophenol-4-arsonic acid;4-Hydroxy-3-nitrobenzenearsonic acid
- CAS NO.：121-19-7
- Empirical Formula: C6H6AsNO6
- Molecular Weight: 263.04
- MDL number: MFCD00007112
- EINECS: 204-453-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:20:01
What is Roxarsone ?
Chemical properties
BEIGE-BROWN FINE CRYSTALLINE POWDER
The Uses of Roxarsone
antiinfective, preservative
The Uses of Roxarsone
4-Hydroxy-3-nitrophenylarsonic Acid is used as a feed additive for chicken to aid in the prevention of coccidiosis caused by E[imeria] tenella and E. necatrix.
The Uses of Roxarsone
Formerly in manufacture of arsphenamines; as reagent for zirconium.
What are the applications of Application
Roxarson is a feed additive for chicken to aid in the prevention of coccidiosis caused by E[imeria] tenella and E. necatrix.
Definition
ChEBI: An organoarsonic acid where the organyl group is 4-hydroxy-3-nitrophenyl.
General Description
Pale yellow crystals or light tan powder.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
May be 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.
Hazard
Toxic by ingestion, highly toxic.
Fire Hazard
Flash point data are not available for Roxarsone ; however, Roxarsone is probably combustible.
Purification Methods
It crystallises from water and is used for the spectroscopic detection of Zn. [Beilstein 16 II 468, 16 III 1073, 16 IV 1188.]
Properties of Roxarsone
| Melting point: | ≥300 °C(lit.) |
| Boiling point: | 537.3±60.0 °C(Predicted) |
| Density | 2.02 g/cm3 |
| storage temp. | 0-6°C |
| solubility | insoluble in Ether |
| form | liquid |
| pka | 3.51±0.10(Predicted) |
| color | Light yellow to Yellow |
| Water Solubility | <0.1 g/100 mL at 23 ºC |
| Merck | 14,8273 |
| BRN | 1976533 |
| Stability: | Hygroscopic |
| CAS DataBase Reference | 121-19-7(CAS DataBase Reference) |
| EPA Substance Registry System | Roxarsone (121-19-7) |
Safety information for Roxarsone
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Environment GHS09 |
| GHS Hazard Statements |
H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P273:Avoid release to the environment. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
Computed Descriptors for Roxarsone
| InChIKey | XMVJITFPVVRMHC-UHFFFAOYSA-N |
Roxarsone manufacturer
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