DE1593227A1 - Verfahren zur Herstellung von 1-Brom-1,1-difluoraethan - Google Patents
Verfahren zur Herstellung von 1-Brom-1,1-difluoraethanInfo
- Publication number
- DE1593227A1 DE1593227A1 DE19631593227 DE1593227A DE1593227A1 DE 1593227 A1 DE1593227 A1 DE 1593227A1 DE 19631593227 DE19631593227 DE 19631593227 DE 1593227 A DE1593227 A DE 1593227A DE 1593227 A1 DE1593227 A1 DE 1593227A1
- Authority
- DE
- Germany
- Prior art keywords
- difluoroethane
- bromo
- bromine
- reaction
- seconds
- 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 11
- MGCGGCMKJWCMKL-UHFFFAOYSA-N 1-bromo-1,1-difluoroethane Chemical compound CC(F)(F)Br MGCGGCMKJWCMKL-UHFFFAOYSA-N 0.000 title description 2
- 238000002360 preparation method Methods 0.000 title description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 7
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 7
- 229910052794 bromium Inorganic materials 0.000 claims description 7
- NPNPZTNLOVBDOC-UHFFFAOYSA-N 1,1-difluoroethane Chemical compound CC(F)F NPNPZTNLOVBDOC-UHFFFAOYSA-N 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000007795 chemical reaction product Substances 0.000 claims description 4
- 239000000376 reactant Substances 0.000 claims description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000007789 gas Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000008246 gaseous mixture Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- PMWGIVRHUIAIII-UHFFFAOYSA-N 2,2-difluoropropanoic acid Chemical compound CC(F)(F)C(O)=O PMWGIVRHUIAIII-UHFFFAOYSA-N 0.000 description 1
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 235000014510 cooky Nutrition 0.000 description 1
- 238000004508 fractional distillation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- -1 hydrobromic acid Vinylidene fluoride Chemical compound 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
- A62D1/0028—Liquid extinguishing substances
- A62D1/0057—Polyhaloalkanes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Fire-Extinguishing Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR903763A FR1336749A (fr) | 1962-07-12 | 1962-07-12 | Nouvel agent extincteur |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1593227A1 true DE1593227A1 (de) | 1970-07-16 |
Family
ID=8783042
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19631593227 Pending DE1593227A1 (de) | 1962-07-12 | 1963-07-11 | Verfahren zur Herstellung von 1-Brom-1,1-difluoraethan |
| DEP32186A Pending DE1278254B (de) | 1962-07-12 | 1963-07-11 | Feuerloeschmittel |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEP32186A Pending DE1278254B (de) | 1962-07-12 | 1963-07-11 | Feuerloeschmittel |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3276999A (en:Method) |
| BE (1) | BE634814A (en:Method) |
| DE (2) | DE1593227A1 (en:Method) |
| FR (1) | FR1336749A (en:Method) |
| GB (2) | GB1048694A (en:Method) |
| LU (1) | LU44031A1 (en:Method) |
| NL (1) | NL295126A (en:Method) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1132636A (en) * | 1965-09-22 | 1968-11-06 | Montedison Spa | Improvements in or relating to flame-extinguishing compositions |
| US3480545A (en) * | 1966-08-17 | 1969-11-25 | Monsanto Res Corp | Method of controlling the spread of fires |
| NL7006794A (en:Method) * | 1969-05-16 | 1970-11-18 | ||
| US3844354A (en) * | 1973-07-11 | 1974-10-29 | Dow Chemical Co | Halogenated fire extinguishing agent for total flooding system |
| US4668407A (en) * | 1983-11-09 | 1987-05-26 | Gerard Mark P | Fire extinguishing composition and method for preparing same |
| US5093013A (en) * | 1989-12-11 | 1992-03-03 | Halocarbon Products Corporation | Ozone friendly fire-extinguishing agents |
| US5055208A (en) * | 1991-01-02 | 1991-10-08 | Powsus, Inc. | Fire extinguishing compositions |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US866437A (en) * | 1907-01-09 | 1907-09-17 | Edward M Davidson | Fire-extinguishing compound. |
| US2021981A (en) * | 1930-06-23 | 1935-11-26 | Gen Motors Corp | Self propelling fire extinguishing charge containing a double halogen hydrocarbon compound |
| DE587932C (de) * | 1931-07-01 | 1933-11-10 | Werner Ursum Dr | Fuellungen fuer Feuerloescher |
| BE444329A (en:Method) * | 1940-11-16 | |||
| US2678953A (en) * | 1950-10-14 | 1954-05-18 | Douglas Aircraft Co Inc | Method of making fluorinated organic bromides and resulting new chemical compounds |
| US2653130A (en) * | 1951-05-17 | 1953-09-22 | Du Pont | Fire extinguishing composition of cbrf or cfbrcfbr containing cf as a propellant |
| US2668419A (en) * | 1951-10-26 | 1954-02-09 | Specialties Dev Corp | Fluid carbon dioxide composition |
| US2757212A (en) * | 1955-03-25 | 1956-07-31 | Du Pont | Process of reacting a halogen, fluorine compound and carbon at temperatures above 1500 deg. c |
| US2897151A (en) * | 1956-09-07 | 1959-07-28 | Superior Products Co | Vaporizing fire extinguisher fluid |
| US2972637A (en) * | 1958-06-19 | 1961-02-21 | Du Pont | Preparation of bromofluoromethanes |
-
0
- BE BE634814D patent/BE634814A/xx unknown
- NL NL295126D patent/NL295126A/xx unknown
-
1962
- 1962-07-12 FR FR903763A patent/FR1336749A/fr not_active Expired
-
1963
- 1963-07-09 US US293878A patent/US3276999A/en not_active Expired - Lifetime
- 1963-07-09 LU LU44031D patent/LU44031A1/xx unknown
- 1963-07-10 GB GB27311/63A patent/GB1048694A/en not_active Expired
- 1963-07-10 GB GB29639/66A patent/GB1048695A/en not_active Expired
- 1963-07-11 DE DE19631593227 patent/DE1593227A1/de active Pending
- 1963-07-11 DE DEP32186A patent/DE1278254B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1048695A (en) | 1966-11-16 |
| LU44031A1 (en:Method) | 1964-01-09 |
| FR1336749A (fr) | 1963-09-06 |
| GB1048694A (en) | 1966-11-16 |
| NL295126A (en:Method) | |
| BE634814A (en:Method) | |
| US3276999A (en) | 1966-10-04 |
| DE1278254B (de) | 1968-09-19 |
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