GB729757A - Improvements in or relating to the preparation of dichlorohydrin - Google Patents
Improvements in or relating to the preparation of dichlorohydrinInfo
- Publication number
- GB729757A GB729757A GB13684/52A GB1368452A GB729757A GB 729757 A GB729757 A GB 729757A GB 13684/52 A GB13684/52 A GB 13684/52A GB 1368452 A GB1368452 A GB 1368452A GB 729757 A GB729757 A GB 729757A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reaction
- allyl chloride
- chlorine
- stage
- zone
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/64—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by simultaneous introduction of -OH groups and halogens
- C07C29/66—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by simultaneous introduction of -OH groups and halogens by addition of hypohalogenous acids, which may be formed in situ, to carbon-to-carbon unsaturated bonds
Abstract
Dichlorhydrin is produced by adding allyl chloride and chlorine gradually to an aqueous reaction medium, at least 90 per cent of the water required for the reaction being present in the reaction zone at the start of the reaction. Preferably the allyl chloride and chlorine are supplied in substantially equimolar proportions. Caustic alkali may be added to the reaction mixture if desired. The process may be effected continuously in at least two successive reaction zones, a portion of the allyl chloride and a portion of the chlorine being continuously added to each zone, at least 90 per cent by weight of the water required being supplied continuously to the first zone and the resulting aqueous reaction medium being passed successively through the subsequent zones. The chlorohydrination reaction thereby takes place in progressively increasing concentrations of dichlorhydrin. The allyl chloride and chlorine may be added in the gaseous or liquid state and the reaction may be carried out between temperatures of 10 DEG and 90 DEG C at atmospheric, reduced or elevated pressures. In the examples the process is carried out as 1-stage, 2-stage and 3-stage processes. In the 1-stage process some of the allyl chloride used is converted to trichlorpropane and tetrachlorpropyl ether.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US729757XA | 1951-05-31 | 1951-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB729757A true GB729757A (en) | 1955-05-11 |
Family
ID=22110936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB13684/52A Expired GB729757A (en) | 1951-05-31 | 1952-05-29 | Improvements in or relating to the preparation of dichlorohydrin |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB729757A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2951770A1 (en) * | 1979-12-21 | 1981-07-02 | Gabil Soltan ogly Sumgait Šarifov | Glycerol di:chlorohydrin prodn. from allyl chloride - chlorine and water, in aq. soln. of controlled hydrogen chloride content |
| EP2501665A1 (en) * | 2009-11-17 | 2012-09-26 | Sumitomo Chemical Company, Limited | Methods for producing allyl chloride and dichlorohydrin |
-
1952
- 1952-05-29 GB GB13684/52A patent/GB729757A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2951770A1 (en) * | 1979-12-21 | 1981-07-02 | Gabil Soltan ogly Sumgait Šarifov | Glycerol di:chlorohydrin prodn. from allyl chloride - chlorine and water, in aq. soln. of controlled hydrogen chloride content |
| EP2501665A1 (en) * | 2009-11-17 | 2012-09-26 | Sumitomo Chemical Company, Limited | Methods for producing allyl chloride and dichlorohydrin |
| EP2501665A4 (en) * | 2009-11-17 | 2013-04-24 | Sumitomo Chemical Co | Methods for producing allyl chloride and dichlorohydrin |
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