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ChemicalBook--->CAS DataBase List--->1125812-58-9

1125812-58-9

1125812-58-9 Structure

1125812-58-9 Structure
IdentificationBack Directory
[Name]

1-[3-Chloro-5-trifluoromethylphenyl]-2,2,2-trifluoroethanone
[CAS]

1125812-58-9
[Synonyms]

3'-Chloro-5'-trifluoroMethyl-2,2,2-trifluoroacetophenone
2,2,2-trifluoro-3'-chloro-5'-trifluoromethylacetophenone
3'-Chloro-5'-trifluoromethoxy-2,2,2-trifluoroacetophenone
1-[3-Chloro-5-trifluoromethylphenyl]-2,2,2-trifluoroethanone
1-(3-chloro-5-(trifluoromethyl)phenyl)-2,2,2-trifluoroethan-1-one
Ethanone, 1-[3-chloro-5-(trifluoromethyl)phenyl]-2,2,2-trifluoro-
1-[3-Chloro-5-trifluoromethylphenyl]-2,2,2-trifluoroethanone ISO 9001:2015 REACH
1-(3-chloro-5-(trifluoromethyl)phenyl)-2,2,2-trifluoroethan-1-one (Afoxolaner intermediate)
[Molecular Formula]

C9H3ClF6O
[MDL Number]

MFCD19440960
[MOL File]

1125812-58-9.mol
[Molecular Weight]

276.56
Chemical PropertiesBack Directory
[Boiling point ]

203℃
[density ]

1.512
[Fp ]

77℃
[storage temp. ]

Sealed in dry,2-8°C
Safety DataBack Directory
[Symbol(GHS) ]


GHS07,GHS05
[Signal word ]

Danger
[Hazard statements ]

H302-H314
[Precautionary statements ]

P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501-P264-P270-P301+P312-P330-P501
Hazard InformationBack Directory
[Uses]

1-[3-Chloro-5-trifluoromethylphenyl]-2,2,2-trifluoroethanone can be used as organic synthesis intermediate and pharmaceutical intermediate, mainly used in laboratory research and development process and chemical production process.
[Synthesis]

 
Cool the solution containing compound III (74.4g, 0.255mol containing compound III) to -100, and add 120g of sulfuric acid with a mass fraction of 92.5% to the above system while keeping the temperature below 0. After acidification, continue to react and keep for 1.5h, and then add 126.7g of 33% sodium nitrite aqueous solution (containing diazotizing reagent sodium nitrite 0.612mol) into the system uniformly within 2h, and keep the temperature at 0 The following reaction is carried out for 2 hours, and the system is heated to room temperature after full reaction, 111.1 g of 50% hypophosphorous acid and 0.67 g of cuprous oxide are added, and the reaction is stirred for 2 hours while keeping temperature. After the reaction is over, stand to separate the layers, and wash the organic layer with a 5% sodium bicarbonate aqueous solution, dry with anhydrous magnesium sulfate, and rectify to obtain a clear and transparent oily liquid 1-[3-chloro-5-(trifluoromethyl) (Yl)phenyl]-2,2,2-trifluoroethanone 66.9, content 99.5%, yield 87.2%.
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