Glyphosate dimethylamine salt crystal, preparation method and use thereof

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专利权人:

ZHEJIANG WYNCA CHEMICAL INDUSTRY GROUP CO.; LTD.

发明人:

Wang, Wei,Zhou, Shuguang,Qin, Long,Ren, Bufan,Qian, Zhigang,Liu, Tao,She, Huiling,Zhang, Yaxian

申请号：

AU2010330585

公开号：

AU2010330585A1

申请日:

2010.10.25

申请国别(地区):

AU

年份:

2012

代理人:

摘要：

Phytocidal active constitutent of glyphosate dimethylamine salt crystal, preparation method thereof, solid preparation containing the crystal and the use are disclosed. The preparation method is as follows: reacting glyphosate with dimethylamine gas at a molar ratio of 1:1.0-3.0 in organic solvent at 5~90℃ for 1.5~5 h, cooling slowly to -5~50℃, adding crystal seed for crystallization under stirring slowly for 1.0~2.0 h, filtering and drying.

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