Disodium methylarsonate
- CAS NO.：144-21-8
- Empirical Formula: CH3AsO3·2Na
- Molecular Weight: 183.94
- MDL number: MFCD00072429
- EINECS: 205-620-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-07-31 15:25:14
What is Disodium methylarsonate?
Chemical properties
White Solid
The Uses of Disodium methylarsonate
Methylarsonic acid is used as herbicide.
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®
Properties of Disodium methylarsonate
| 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 information for Disodium methylarsonate
Computed Descriptors for Disodium methylarsonate
New Products
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