JPS6258341B2 - - Google Patents
Info
- Publication number
- JPS6258341B2 JPS6258341B2 JP5132180A JP5132180A JPS6258341B2 JP S6258341 B2 JPS6258341 B2 JP S6258341B2 JP 5132180 A JP5132180 A JP 5132180A JP 5132180 A JP5132180 A JP 5132180A JP S6258341 B2 JPS6258341 B2 JP S6258341B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- methylal
- methanol
- crude
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 87
- NKDDWNXOKDWJAK-UHFFFAOYSA-N dimethoxymethane Chemical compound COCOC NKDDWNXOKDWJAK-UHFFFAOYSA-N 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 10
- 229920002866 paraformaldehyde Polymers 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 239000011541 reaction mixture Substances 0.000 claims description 2
- REHUGJYJIZPQAV-UHFFFAOYSA-N formaldehyde;methanol Chemical compound OC.O=C REHUGJYJIZPQAV-UHFFFAOYSA-N 0.000 claims 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000010992 reflux Methods 0.000 description 5
- 238000009835 boiling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000003377 acid catalyst Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5132180A JPS56147739A (en) | 1980-04-17 | 1980-04-17 | Purification of methylal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5132180A JPS56147739A (en) | 1980-04-17 | 1980-04-17 | Purification of methylal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56147739A JPS56147739A (en) | 1981-11-16 |
| JPS6258341B2 true JPS6258341B2 (enrdf_load_stackoverflow) | 1987-12-05 |
Family
ID=12883642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5132180A Granted JPS56147739A (en) | 1980-04-17 | 1980-04-17 | Purification of methylal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56147739A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2786823B2 (ja) * | 1994-10-07 | 1998-08-13 | 旭化成工業株式会社 | メチラ−ルの精製法 |
| EP2730567A1 (en) * | 2012-11-09 | 2014-05-14 | Institut Univ. de Ciència i Tecnologia, S.A. | Process for manufacturing biofuels |
-
1980
- 1980-04-17 JP JP5132180A patent/JPS56147739A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56147739A (en) | 1981-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5362918A (en) | Process for producing acetaldehyde dimethylacetal | |
| US4224112A (en) | Recovery of 1,1-dihydroheptafluorobutanol from water by distillation | |
| US4236975A (en) | Recovery of methyl heptafluorobutyrate from water by distillation | |
| JPH0635404B2 (ja) | 粗１，４−ブタンジオ−ルの精製方法 | |
| US2804473A (en) | Production of lower aliphatic peracids | |
| JP4554211B2 (ja) | ｎ−プロピルブロミドの調製方法 | |
| US6379507B1 (en) | Process for producing methylal | |
| JPS6258341B2 (enrdf_load_stackoverflow) | ||
| ES2231387T3 (es) | Procedimiento de produccion de fluorometil hexafluoroisopropil. | |
| JPS5528929A (en) | Preparation of ethoxysilane | |
| US3631067A (en) | Preparation of coumarin | |
| US5037512A (en) | Process for the purification of benzoic acid by distillation with an amine | |
| US4189615A (en) | Preparation of alcohols by treating esters with alkali metal borohydride | |
| US3418378A (en) | Production of diphenylol propane | |
| US2900311A (en) | Purification of acetoacetic esters by distillation | |
| US20180050976A1 (en) | Practical Processes for Producing Fluorinated alpha-Ketocarboxylic Esters and Analogues Thereof | |
| JPS63174942A (ja) | ｐ−置換ｏ−ベンジルフエノールの製造法 | |
| US4473712A (en) | Purification of crude hexafluoroacetone containing nitrogen oxides and sulfur dioxide | |
| JPS5929633A (ja) | 酢酸塩水溶液から酢酸を回収する方法 | |
| US3144488A (en) | Process for the production of 3-chlorobutanone-2 and butanone | |
| US4613692A (en) | Process for the preparation of cinnamic acids which are optionally substituted in the nucleus | |
| JP2754216B2 (ja) | アセトアルデヒドジメチルアセタールの製造法 | |
| BE567073A (enrdf_load_stackoverflow) | ||
| Chihara et al. | APPLICATION OF THE COMBINATION OF SODIUM BISULFITE AS A PROTECTIVE REAGENT AND SOLID SUPPORTS IN THE SELECTIVE REDUCTION OF 4-ACETYLBENZALDEHYDE WITH DIBORANE | |
| JPH09110773A (ja) | メチラールの精製方法 |