发明申请
- 专利标题: CRYSTAL OF CYCLIC PHOSPHONIC ACID SODIUM SALT AND METHOD FOR MANUFACTURING SAME
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申请号: US15872321申请日: 2018-01-16
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公开(公告)号: US20180208614A1公开(公告)日: 2018-07-26
- 发明人: Hiroaki Yuasa , Hiroki Okazaki
- 申请人: OTSUKA CHEMICAL CO., LTD.
- 申请人地址: JP Osaka-shi
- 专利权人: OTSUKA CHEMICAL CO., LTD.
- 当前专利权人: OTSUKA CHEMICAL CO., LTD.
- 当前专利权人地址: JP Osaka-shi
- 优先权: JP2014-164423 20140812
- 主分类号: C07F9/6571
- IPC分类号: C07F9/6571
摘要:
An object of the present invention is to provide a crystal of a cyclic phosphonic acid sodium salt (2ccPA) with high purity and excellent storage stability and a method for producing the crystal. The present invention provides a crystal of a cyclic phosphonic acid sodium salt (2ccPA) represented by formula (1):
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