| 释义 |
monosodium acid methanearsonate [¦män·ǝ`sōd·ē·ǝm ¦as·ǝd ¦meth´ān`ärs·ǝn´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. |