DE2161006A1 - Verfahren zur isolierung von reinem alpha,alpha,alpha',alpha'-tetrachlor-pxylol - Google Patents
Verfahren zur isolierung von reinem alpha,alpha,alpha',alpha'-tetrachlor-pxylolInfo
- Publication number
- DE2161006A1 DE2161006A1 DE19712161006 DE2161006A DE2161006A1 DE 2161006 A1 DE2161006 A1 DE 2161006A1 DE 19712161006 DE19712161006 DE 19712161006 DE 2161006 A DE2161006 A DE 2161006A DE 2161006 A1 DE2161006 A1 DE 2161006A1
- Authority
- DE
- Germany
- Prior art keywords
- xylene
- alpha
- tetrachloro
- chlorination
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 8
- 238000009413 insulation Methods 0.000 title 1
- 239000000203 mixture Substances 0.000 claims description 33
- 238000005660 chlorination reaction Methods 0.000 claims description 22
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 14
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 11
- 229910052801 chlorine Inorganic materials 0.000 claims description 11
- 239000000460 chlorine Substances 0.000 claims description 11
- 239000008096 xylene Substances 0.000 claims description 8
- 238000001953 recrystallisation Methods 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 5
- -1 aliphatic chlorinated hydrocarbons Chemical class 0.000 claims description 2
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 claims 1
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 16
- 150000001875 compounds Chemical class 0.000 description 11
- 239000000047 product Substances 0.000 description 7
- 238000004817 gas chromatography Methods 0.000 description 6
- 239000002904 solvent Substances 0.000 description 5
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000004587 chromatography analysis Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- CTSQZGJZQUVGBQ-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3,6-dimethylbenzene Chemical group CC1=C(Cl)C(Cl)=C(C)C(Cl)=C1Cl CTSQZGJZQUVGBQ-UHFFFAOYSA-N 0.000 description 1
- KZNRNQGTVRTDPN-UHFFFAOYSA-N 2-chloro-1,4-dimethylbenzene Chemical group CC1=CC=C(C)C(Cl)=C1 KZNRNQGTVRTDPN-UHFFFAOYSA-N 0.000 description 1
- ONIKNECPXCLUHT-UHFFFAOYSA-N 2-chlorobenzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1Cl ONIKNECPXCLUHT-UHFFFAOYSA-N 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010035148 Plague Diseases 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/10—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
- C07C17/14—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms in the side-chain of aromatic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/392—Separation; Purification; Stabilisation; Use of additives by crystallisation; Purification or separation of the crystals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712161006 DE2161006A1 (de) | 1971-12-09 | 1971-12-09 | Verfahren zur isolierung von reinem alpha,alpha,alpha',alpha'-tetrachlor-pxylol |
| CH1759472A CH577442A5 (https=) | 1971-12-09 | 1972-12-04 | |
| NL7216711A NL7216711A (https=) | 1971-12-09 | 1972-12-08 | |
| FR7243829A FR2162616B1 (https=) | 1971-12-09 | 1972-12-08 | |
| GB5682572A GB1368178A (en) | 1971-12-09 | 1972-12-08 | Process for isolating alpha,alpha,alpha ,alpha -tetrachloro-p- xylene |
| JP12385872A JPS4864035A (https=) | 1971-12-09 | 1972-12-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712161006 DE2161006A1 (de) | 1971-12-09 | 1971-12-09 | Verfahren zur isolierung von reinem alpha,alpha,alpha',alpha'-tetrachlor-pxylol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2161006A1 true DE2161006A1 (de) | 1973-06-14 |
Family
ID=5827451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712161006 Pending DE2161006A1 (de) | 1971-12-09 | 1971-12-09 | Verfahren zur isolierung von reinem alpha,alpha,alpha',alpha'-tetrachlor-pxylol |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4864035A (https=) |
| CH (1) | CH577442A5 (https=) |
| DE (1) | DE2161006A1 (https=) |
| FR (1) | FR2162616B1 (https=) |
| GB (1) | GB1368178A (https=) |
| NL (1) | NL7216711A (https=) |
-
1971
- 1971-12-09 DE DE19712161006 patent/DE2161006A1/de active Pending
-
1972
- 1972-12-04 CH CH1759472A patent/CH577442A5/xx not_active IP Right Cessation
- 1972-12-08 NL NL7216711A patent/NL7216711A/xx not_active Application Discontinuation
- 1972-12-08 GB GB5682572A patent/GB1368178A/en not_active Expired
- 1972-12-08 FR FR7243829A patent/FR2162616B1/fr not_active Expired
- 1972-12-09 JP JP12385872A patent/JPS4864035A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2162616A1 (https=) | 1973-07-20 |
| CH577442A5 (https=) | 1976-07-15 |
| FR2162616B1 (https=) | 1976-08-20 |
| GB1368178A (en) | 1974-09-25 |
| JPS4864035A (https=) | 1973-09-05 |
| NL7216711A (https=) | 1973-06-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| OHW | Rejection |