| 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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