释义 |
monosodium acid methanearsonate monosodium acid methanearsonate[¦män·ə′sōd·ē·əm ¦as·əd ¦meth‚ān′ärs·ən‚āt] (organic chemistry) CH4 AsNaO3 A white, crystalline solid; melting point is 132-139°C; soluble in water; used as an herbicide for grassy weeds on rights-of-way, storage areas, and noncrop areas, and as preplant treatment for cotton, citrus trees, and turf. Abbreviated MSMA. |