RU2008135049A - METHOD FOR CLEANING ACETONITRIL - Google Patents
METHOD FOR CLEANING ACETONITRIL Download PDFInfo
- Publication number
- RU2008135049A RU2008135049A RU2008135049/04A RU2008135049A RU2008135049A RU 2008135049 A RU2008135049 A RU 2008135049A RU 2008135049/04 A RU2008135049/04 A RU 2008135049/04A RU 2008135049 A RU2008135049 A RU 2008135049A RU 2008135049 A RU2008135049 A RU 2008135049A
- Authority
- RU
- Russia
- Prior art keywords
- sulfuric acid
- acetonitrile
- acid
- acetonitril
- cleaning
- Prior art date
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1. Способ очистки ацетонитрила, содержащего оксазол и аллиловый спирт, включающий обработку ацетонитрила - сырца минеральной кислотой, отличающийся тем, что в качестве минеральной кислоты используют концентрированную серную кислоту и обработку проводят при 44-61°С в течение 5,0 мин. ! 2. Способ по п.1, отличающийся тем, что используют серную кислоту с содержанием моногидрата SO3 100 мас.% в количестве, обеспечивающем объемное соотношение ацетонитрил: серная кислота, равное 1:(0,03-0,05).1. The method of purification of acetonitrile containing oxazole and allyl alcohol, including the processing of raw acetonitrile with mineral acid, characterized in that concentrated sulfuric acid is used as the mineral acid and the treatment is carried out at 44-61 ° C for 5.0 minutes. ! 2. The method according to claim 1, characterized in that sulfuric acid is used with a SO3 monohydrate content of 100 wt.% In an amount providing a volume ratio of acetonitrile: sulfuric acid equal to 1: (0.03-0.05).
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2008135049/04A RU2008135049A (en) | 2008-08-27 | 2008-08-27 | METHOD FOR CLEANING ACETONITRIL |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2008135049/04A RU2008135049A (en) | 2008-08-27 | 2008-08-27 | METHOD FOR CLEANING ACETONITRIL |
Publications (1)
Publication Number | Publication Date |
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RU2008135049A true RU2008135049A (en) | 2010-03-10 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2008135049/04A RU2008135049A (en) | 2008-08-27 | 2008-08-27 | METHOD FOR CLEANING ACETONITRIL |
Country Status (1)
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RU (1) | RU2008135049A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111960966A (en) * | 2020-09-14 | 2020-11-20 | 永华化学股份有限公司 | Preparation method of chromatographic grade acetonitrile |
-
2008
- 2008-08-27 RU RU2008135049/04A patent/RU2008135049A/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111960966A (en) * | 2020-09-14 | 2020-11-20 | 永华化学股份有限公司 | Preparation method of chromatographic grade acetonitrile |
CN111960966B (en) * | 2020-09-14 | 2022-03-08 | 永华化学股份有限公司 | Preparation method of chromatographic grade acetonitrile |
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