发明名称 |
A PROCESS FOR PRODUCING STABLE, LOW ODER S,S,S-TRIBUTYLPHOSPHOROTRITHIOATE |
摘要 |
Stable S,S,S-tributylphosphorotrithioate having reduced levels of the odorous by-product dibutyl disulfide is produced by adding a caustic solution having a concentration of less than 10% to crude S,S,S-tributylphosphorotrithioate until the pH remains constant. In a preferred embodiment, a solution of sodium hydroxide having a concentration of less than 10% is used in an amount such that at least 0.1 mole of sodium hydroxide is present for each mole of crude S,S,S-tributylphosphortrithioate.
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申请公布号 |
CA2073737(C) |
申请公布日期 |
2003.01.07 |
申请号 |
CA19922073737 |
申请日期 |
1992.07.13 |
申请人 |
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发明人 |
NEWALLIS, PETER E.;PRASAD, VIDYANATHA A.;LEVY, EDWARD R. |
分类号 |
C07F9/17;(IPC1-7):C07F9/17 |
主分类号 |
C07F9/17 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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