2,2-DICHLORO-1,1,1,4,4,4-HEXAFLUOROBUTANE synthesis
- Product Name:2,2-DICHLORO-1,1,1,4,4,4-HEXAFLUOROBUTANE
- CAS Number:162462-08-0
- Molecular formula:C4H2Cl2F6
- Molecular Weight:234.96
400-43-1
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Yield:-
Reaction Conditions:
with chlorine
Steps:
6 Example 6: Preparation of 2,2-dichloro-1 ,1 ,1 ,4,4,4-hexafluorobutane (HCFC-336mfa)
A Hastelloy tube (1/2 inch OD) with a 12” heated reaction zone is used in the following reaction. The reaction zone is preheated to 300°C. HCFC-346mdf is fed at 3.1 seem (5.2 c 108 m3/sec) and chlorine gas is fed at 11.6 seem (1.9 x 10 7 m3/sec). No catalyst is present. Part of the reactor effluent is passed through a series of valves and analyzed by GCMS. After 13 hours of continuous operation, the product contains 90% 2,2-dichloro-1 ,1 , 1 ,4,4,4-hexafluorobutane (HCFC-336mfa).
References:
WO2020/206322,2020,A1 Location in patent:Page/Page column 20-21
75-88-7
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162462-08-0
20 suppliers
$75.00/1g