Title:
2,4,6-トリメルカプト-s-トリアジンの三ナトリウム塩の製造法
Document Type and Number:
Japanese Patent JP2011521922
Kind Code:
A
Abstract:
The invention relates to a method for producing the trisodium salt of 2,4,6-trimercapto-s-triazine, cyanuric chloride being reacted in an aqueous medium at a temperature of 20 to 70° C. using NaSH, Na2S or a mixture of the two compounds at a pH value of 7 to 11, and subsequently the trisodium salt of 2,4,6-trimercapto-s-triazine being precipitated and cleaved at a pH value of 0.12 and a temperature of 0 to 20° C., characterized in that after the cleavage step of the trisodium salt of 2,4,6-trimercapto-s-triazine the mother liquor is adjusted to a pH value of 6 to 8, wherein the monosodium salt of 2,4,6-trimercapto-s-triazine is precipitated.
Inventors:
Jörg Glimmer
Rüdiger Pertustus
Peter Ferrelst
Low har van der veer
Rüdiger Pertustus
Peter Ferrelst
Low har van der veer
Application Number:
JP2011510923A
Publication Date:
July 28, 2011
Filing Date:
April 22, 2009
Export Citation:
Assignee:
Evonik Degussa GmbH
International Classes:
C07D251/38
Domestic Patent References:
| JPH01110678A | 1989-04-27 | |||
| JPH093051A | 1997-01-07 | |||
| JPH03141269A | 1991-06-17 | |||
| JPH03135968A | 1991-06-10 | |||
| JPS491580A | 1974-01-08 | |||
| JPH01110678A | 1989-04-27 | |||
| JPH093051A | 1997-01-07 | |||
| JPH03141269A | 1991-06-17 | |||
| JPH03135968A | 1991-06-10 | |||
| JPS491580A | 1974-01-08 |
Foreign References:
| WO2007017314A1 | 2007-02-15 | |||
| WO2007017314A1 | 2007-02-15 |
Attorney, Agent or Firm:
Takuya Kuno
Toshio Yano
Takahashi
Kimihiro Hoshi
Hiroyasu Ninomiya
Ryoichi Shino
Einzel Felix-Reinhard
Toshio Yano
Takahashi
Kimihiro Hoshi
Hiroyasu Ninomiya
Ryoichi Shino
Einzel Felix-Reinhard