ChemicalBook--->CAS DataBase List--->144-21-8

144-21-8

144-21-8 Structure

144-21-8 Structure
IdentificationBack Directory
[Name]

Disodium methylarsonate
[CAS]

144-21-8
[Synonyms]

DSMA
dimet
sodar
somar
namate
dinate
di-tac
dma100
methar
disomar
arsinyl
arsynal
diarsen
arrhenal
ansar184
disomear
methar30
jon-trol
tonarsan
tonarsen
tonarsin
weed-hoe
weedbroom
stenosine
metharsan
ansar8100
crab-e-rad
cacodylnew
dsmaliquid
weed-e-rad
metharsinat
cralo-e-rad
dal-e-rad100
versardsmalq
neoasycodile
neo-asycodile
weed-e-rad360
maasodiumsalt
crab-3-rad100
DMA HEXAHYDRATE
ansardsmaliquid
DSMA HEXAHYDRATE
drexeldsmaliquid
sodiummetharsonate
METHAR HEXAHYDRATE
MAA(R) HEXAHYDRATE
weed-e-raddmapowder
methylarsonatdisodny
DITAC(R) HEXAHYDRATE
SODAR(R) HEXAHYDRATE
NAMATE(R) HEXAHYDRATE
sodiummethanearsonate
disodiummethylarsenate
ANSAR 8100 HEXAHYDRATE
ARSINYL(R) HEXAHYDRATE
Disodium methylarsonate
disodiummethanearsenate
disodiummethanearsonate
DSMA @100 μg/mL in MeOH
sodiummethylarsonate(20%)
WEED-E-RAD(R) HEXAHYDRATE
Methylarsonic acid disodium
DISODIUM MONO-METHYLARSONATE
methyl-arsonicacidisodiumsalt
METHYLARSONICACID,DISODIUMSALT
MONOMETHYLARSONIC DISODIUM SALT
methanearsonicacid,disodiumsalt
Arsonicacid,methyl-,disodiumsalt
Disodium methyl arsonate hydrate
DISODIUM METHYL ARSONATE HEXAHYDRATE
Disodium methyl arsenate Hexahydrate
DISODIUM METHANE ARSONATE HEXAHYDRATE
DISODIUM METHYL ARSENATE, 500MG, NEAT
Disodium methyl arsonate hydrate Solution
METHANEARSONIC ACID DISODIUM SALT HEXAHYDRATE
Disodium methyl arsonate hexahydrate 500mg [144-21-8]
Methyl Arsonic Acid DisodiuM Salt (~40%, Contain SodiuM Sulfate)
[EINECS(EC#)]

205-620-7
[Molecular Formula]

CH3AsO3·2Na
[MDL Number]

MFCD00072429
[MOL File]

144-21-8.mol
[Molecular Weight]

183.94
Chemical PropertiesBack Directory
[Melting point ]

>355 °C
[Boiling point ]

165°C
[density ]

1.1500
[solubility ]

Water (Sparingly)
[form ]

Solid
[color ]

White to Off-White
[Stability:]

Hygroscopic
[EPA Substance Registry System]

Disodium methanearsonate (144-21-8)
Safety DataBack Directory
[Hazard Codes ]

Xn,N,T
[Risk Statements ]

22-50/53-23/25
[Safety Statements ]

26-61-60-45-28-20/21
[RIDADR ]

2759
[RTECS ]

PA2275000
[HazardClass ]

6.1(b)
[PackingGroup ]

III
[Hazardous Substances Data]

144-21-8(Hazardous Substances Data)
Hazard InformationBack Directory
[Chemical Properties]

White Solid
[Uses]

Methylarsonic acid is used as herbicide.
[Production Methods]

Disodium methanearsonate is commercially produced through the neutralisation of methanearsonic acid with sodium hydroxide. In industrial settings, methanearsonic acid is synthesised by reacting methylarsine oxide with oxidising agents. This intermediate is then treated with sodium hydroxide or sodium carbonate to form the disodium salt, resulting in disodium methanearsonate.
[Agricultural Uses]

Herbicide, Disodium methylarsonate: Used as a herbicide to control post-emergent grass weeds, including crab grass, in common grass lawns and established turf; for general non-crop weed control in cotton. Not actively registered for use in the U.S. or EU countries. There are 15 global suppliers[97
[Trade name]

ANSAR® 184; ANSAR 8100®; ANSAR DSMA® Liquid; CHIPCO CRAB KLEEN®; CRAB3-RAD 100®; CRALO-E-RAD®; DAL-E-RAD 100®; DISOMEAR®; DI-TAC®; DMA 100®; JON-TROL®; METHAR®; METHAR 30®; SODAR; SOMAR®; STENOSINE®; TONARSAN®; TONARSIN®; VERSAR DSMA LQ®; WEED BROOM®
[Mechanism of action]

Inhibitor of mitochondrial ATP synthase.
[Pesticide Type]

Herbicide
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