PRODUCT Properties
| Melting point: | 161° |
| Boiling point: | 393.3±25.0 °C(Predicted) |
| form | solid |
| pka | pK1:3.41;pK2:8.18 (18°C) |
| Water Solubility | 218.8g/L(25 ºC) |
| IARC | 2B (Vol. 100C) 2012 |
| EPA Substance Registry System | Methylarsonic acid (124-58-3) |
Description and Uses
Salts of methanearsonic acid,CH3AsO(OH)2, especially the iron ammonium salt, Neoasozin, used as a fungicide in rice growing and the sodium, ammonium, and diethanolam monium salts used as herbicides in cotton growing.
Methylarsonic acid is used as herbicide.
Safety
| Symbol(GHS) |   GHS09,GHS06 |
| Signal word | Danger |
| Hazard statements | H331-H301-H410 |
| Precautionary statements | P261-P271-P304+P340-P311-P321-P403+P233-P405-P501-P264-P270-P301+P310-P321-P330-P405-P501-P273-P391-P501 |
| RIDADR | 2759 |
| HazardClass | 6.1(b) |
| PackingGroup | III |
| Hazardous Substances Data | 124-58-3(Hazardous Substances Data) |
| Toxicity | mouse,LD50,oral,1800mg/kg (1800mg/kg),Journal of Agricultural and Food Chemistry. Vol. 45, Pg. 449, 1997. |
