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甲基砷酸钠

英文名: MSMA

CAS: 2163-80-6      分子式: CH4AsNaO3

分子量: 161.95200

别名:


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描述

Monosodium methyl arsenate (MSMA) is an arsenic-based herbicide. It is an organo-arsenate; less toxic than the inorganic form of arsenates. It is one of the most common and cost effective herbicides used against weeds in agriculture. MSMA products are unique in that they combine selectivity, low weed-resistance, and cost-efficiency. MSMA is an herbicide used to control a wide spectrum of hard to control grass and broad-leaf weeds including some weeds that are resistant to the herbicide Glyphosate. MSMA products are effective, cost efficient and selective. Weed-resistance to herbicides is on the rise due to both the repeated use of the herbicides and the introduction of genetically modified crops. These crops are endowed with natural resistance to certain herbicides, a resistance which they may impart to non-crops through cross pollination. There are very few, if any, new herbicides capable of economically combating the resistance problem. With the exception of isolated cases of common cocklebur Xanthium strumarium, no resistance build-up has occurred with the weeds that MSMA controls. MSMA provide post-emergent selective annual grass and yellow nutsedge control, in cool season . MSMA is an effective treatment to control Convolvulaceae (morning glory) and Cyperus rotundus (nutgrass). MSMA products are non-flammable, practically not corrosive, and easy to handle. Trade names include:

基本信息
英文名:
MSMA
CAS号.:
2163-80-6
别名:
asazol; Sodium methylarsonate; Sodium methanearsonate; herbanm; drexar;
分子式:
CH4AsNaO3
分子量:
161.95200
PSA:
60.36000
LogP:
物化属性
外观:
Odorless colorless solid solution, red or green
密度:
1.5
熔点:
113-116ºC
沸点:
393.3ºC at 760 mmHg
闪点:
205.8ºC
储存条件:
Warehouse ventilation is low temperature dry, separate storage and transportation with food raw materials
安全信息
危险类别码:
R22
危险品标志:
Xn
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