JPS5832846A - ジニトロトルエンの精製法 - Google Patents
ジニトロトルエンの精製法Info
- Publication number
- JPS5832846A JPS5832846A JP13135781A JP13135781A JPS5832846A JP S5832846 A JPS5832846 A JP S5832846A JP 13135781 A JP13135781 A JP 13135781A JP 13135781 A JP13135781 A JP 13135781A JP S5832846 A JPS5832846 A JP S5832846A
- Authority
- JP
- Japan
- Prior art keywords
- dinitrotoluene
- sulfuric acid
- nitrotoluene
- impurity
- crude
- 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.)
- Granted
Links
- DYSXLQBUUOPLBB-UHFFFAOYSA-N 2,3-dinitrotoluene Chemical compound CC1=CC=CC([N+]([O-])=O)=C1[N+]([O-])=O DYSXLQBUUOPLBB-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000000746 purification Methods 0.000 title description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 27
- VDCZKCIEXGXCDJ-UHFFFAOYSA-N 3-methyl-2-nitroaniline Chemical compound CC1=CC=CC(N)=C1[N+]([O-])=O VDCZKCIEXGXCDJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 9
- 238000005406 washing Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 8
- 239000000243 solution Substances 0.000 abstract description 8
- 239000002253 acid Substances 0.000 abstract description 5
- 239000007864 aqueous solution Substances 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 abstract description 4
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 229920002635 polyurethane Polymers 0.000 abstract description 2
- 239000004814 polyurethane Substances 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract 1
- ZNVGYHOBTCWGTO-UHFFFAOYSA-N solutin Natural products Cc1cc(O)cc2OC(C)(O)C(=O)c12 ZNVGYHOBTCWGTO-UHFFFAOYSA-N 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 239000000203 mixture Substances 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000006396 nitration reaction Methods 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical group 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- VMMLSJNPNVTYMN-UHFFFAOYSA-N dinitromethylbenzene Chemical class [O-][N+](=O)C([N+]([O-])=O)C1=CC=CC=C1 VMMLSJNPNVTYMN-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000802 nitrating effect Effects 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- FWFGVMYFCODZRD-UHFFFAOYSA-N oxidanium;hydrogen sulfate Chemical compound O.OS(O)(=O)=O FWFGVMYFCODZRD-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13135781A JPS5832846A (ja) | 1981-08-21 | 1981-08-21 | ジニトロトルエンの精製法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13135781A JPS5832846A (ja) | 1981-08-21 | 1981-08-21 | ジニトロトルエンの精製法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5832846A true JPS5832846A (ja) | 1983-02-25 |
| JPH0138098B2 JPH0138098B2 (enrdf_load_stackoverflow) | 1989-08-11 |
Family
ID=15056026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13135781A Granted JPS5832846A (ja) | 1981-08-21 | 1981-08-21 | ジニトロトルエンの精製法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5832846A (enrdf_load_stackoverflow) |
-
1981
- 1981-08-21 JP JP13135781A patent/JPS5832846A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0138098B2 (enrdf_load_stackoverflow) | 1989-08-11 |
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