Identification | Back Directory | [Name]
Sodium methylarsonate | [CAS]
2163-80-6 | [Synonyms]
bueno merge monex monate asazol bueno6 drexar phyban weed108 gepiron herbanm monoban merge823 mesamate herb-all daconate ansar170 ansar529 ansar6.6 arsonate ansar170l daconate6 dal-e-rad ansar529hc phybanh.c. nci-c60071 targetmsma trans-vert silvisar550 weed-hoe-108 dal-e-rad120 mesamate-400 mesamate-600 mesamateh.c. superarsonate mesamateconcentrate Sodium methylarsonate methylarsonatmonosodny SODIUMMETHYLARSONICACID Bueno @100 μg/mL in MeOH Methylarsonic acid sodium MONOSODIUMMETHANEARSENATE sodiumacidmethanearsonate monosodiummethanearsonate monosodiumacidmetharsonate sodiumhydrogenmethylarsonate monosodiummethanearsonicacid methylarsonicacid,sodiumsalt methylarsenicacid,sodiumsalt monosodiumacidmethanearsonate methyl-arsonicacimonosodiumsalt methanearsonicacid,[sodiumsalt] METHYLARSONICACID,MONOSODIUMSALT Arsonicacid,methyl-,monosodiumsalt methanearsonic acid monosodium salt Methylarsonic acid hydrogen sodium salt Monosodium acid methane arsonate hydrate Arsonic acid, Methyl-,MonosodiuM salt (9CI) MONOSODIUM ACID METHANE ARSONATE, 1GM, N EAT methylarsinic acid monosodium salt sesquihydrat arsenicaselemental(presentasmonosodiummethanearsonate) | [EINECS(EC#)]
218-495-9 | [Molecular Formula]
CH4AsO3.Na | [MDL Number]
MFCD00072437 | [MOL File]
2163-80-6.mol | [Molecular Weight]
161.95 |
Chemical Properties | Back Directory | [Definition]
The monosodiumsalt of methylarsonic acid. | [Appearance]
Colorless solid or colorless to red or green solution. Odorless. Specific Gravity: (DSMA) 1.0 @ 20C; (MSMA solutions) 1.4°1.6 @ 20°C (liquid); | [Melting point ]
113-116°C | [density ]
1.50 | [form ]
solid | [Water Solubility ]
>=10 g/100 mL at 22 ºC | [Uses]
Postemergence herbicide for grassy weeds.
| [EPA Substance Registry System]
Arsonic acid, methyl-, monosodium salt(2163-80-6) |
Hazard Information | Back Directory | [Chemical Properties]
White solid. Very solu-
ble in water.
| [General Description]
Odorless colorless solid. Solution may be red or green. Solid may float or sink in water; solid and solution mix with water. | [Air & Water Reactions]
Water soluble. | [Reactivity Profile]
Sodium methylarsonate is decomposed by strong oxidizers and reducers. | [Health Hazard]
Subacute poisoning by arsenicals causes salty taste, burning in throat and stomach, and intestinal pain. Acute toxicity indicated by headache, vomiting, stupor, convulsions, paralysis. About 1 ounce to 1 pound must be taken to cause these symptoms. | [Fire Hazard]
Special Hazards of Combustion Products: Toxic gases may be generated in fires. | [Hazard]
Toxic; poison. | [Potential Exposure]
Those exposed to this organometallic, selective pesticide used for postemergence control of grasses, sedges, and weeds. | [First aid]
If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit.
| [Shipping]
UN2994 Arsenical pesticides, liquid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous materials. UN3280 Organoarsenic compound, liquid, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required, Potential Inhalation Hazard (Special Provision 5). | [Incompatibilities]
Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. Incompatible with reducing agents | [Waste Disposal]
Disposal of unused product must be undertaken by qualified personnel who are knowledgeable in all applicable regulations and follow all pertinent safety precautions including the use of appropriate protective equipment. For proper handling and disposal, always comply with federal, state, and local regulations. | [Trade name]
WEED-BROOM® (DSMA+Bomacil+2,4-D); WEEDE-RAD®; WEED-S-RAD®; WEED HOE® |
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