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Cas Database

63425-24-1

63425-24-1

Identification

Synonyms:3-carbomethoxyperfluoropropionyl fluoride;3-Methoxycarbonyl-perfluor-propionylchlorid;Methyl tetrafluoro-3-fluoroformylpropanate;Butanoic acid,2,2,3,3,4-pentafluoro-4-oxo-,methyl ester;2,2,3,3-Tetrafluor-bernsteinsaeure-1-fluorid-4-methylester;

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Safety information and MSDS view more

  • Signal Word:no data available

  • Hazard Statement:no data available

  • First-aid measures: General adviceConsult a physician. Show this safety data sheet to the doctor in attendance.If inhaled If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician. In case of skin contact Wash off with soap and plenty of water. Consult a physician. In case of eye contact Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician. If swallowed Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

  • Fire-fighting measures: Suitable extinguishing media Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. Wear self-contained breathing apparatus for firefighting if necessary.

  • Accidental release measures: Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8. Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. Pick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.

  • Handling and storage: Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2. Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

  • Exposure controls/personal protection:Occupational Exposure limit valuesBiological limit values Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday. Eye/face protection Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin protection Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it. Respiratory protection Wear dust mask when handling large quantities. Thermal hazards

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Relevant articles and documentsAll total 4 Articles be found

Perfluoroepoxycarboxylates. Preparation and some properties

Zapevalov,Filyakova,Kodess

, p. 1113 - 1116 (2007/10/03)

Perfluoroepoxycarboxylates were obtained by oxidation with molecular oxygen of esters of unsaturated perfluoroepoxycarboxylic acids CF2=CF(CF2)nCO2CH3 under UV irradiation. The isomeric transformations and thermal stability of the methyl pentafluoro-3,4-epoxybutanate were studied. In the reaction of the above compound with Et3N was obtained methyl tetrafluoro-3-fluoroformylpropanate, and with SbF5 on graphite arised methyl pentafluoroacetate.

Process for the preparation of ω-fluorosulfatoperfluoroalkanoic acid derivatives

-

, (2008/06/13)

What are disclosed are methods for making compounds of the formula useful as intermediates for making perfluorinated vinyl ethers, wherein Rf is a single bond or perfluoralkylene and Y is fluorine or --OR, by heating an α,ω-bis-fluorosulfatoperfluoroalkane of the formula in the presence of an alkali metal fluoride and/or an alkali metal hydrogen fluoride and, when Y is OR, in the presence of an alkanol, ROH.

Process route upstream and downstream products

Process route

perfluorosuccinic difluoride
679-13-0

perfluorosuccinic difluoride

Methyl tetrafluoro-3-fluoroformylpropanate
63425-24-1

Methyl tetrafluoro-3-fluoroformylpropanate

Conditions
Conditions Yield
With sodium fluoride; In methanol; diethylene glycol dimethyl ether;
hexafluoro-dihydro-furan-2-one
702-35-2

hexafluoro-dihydro-furan-2-one

Methyl tetrafluoro-3-fluoroformylpropanate
63425-24-1

Methyl tetrafluoro-3-fluoroformylpropanate

Conditions
Conditions Yield
In methanol; diethylene glycol dimethyl ether;
hexafluoro-dihydro-furan-2-one
702-35-2

hexafluoro-dihydro-furan-2-one

1,1,1-Trichloro-2,2,2-trifluoroethane
354-58-5

1,1,1-Trichloro-2,2,2-trifluoroethane

Methyl tetrafluoro-3-fluoroformylpropanate
63425-24-1

Methyl tetrafluoro-3-fluoroformylpropanate

Conditions
Conditions Yield
In methanol;
Methyl pentafluoro-3,4-epoxybutanate
268226-88-6

Methyl pentafluoro-3,4-epoxybutanate

Methyl tetrafluoro-3-fluoroformylpropanate
63425-24-1

Methyl tetrafluoro-3-fluoroformylpropanate

Conditions
Conditions Yield
With triethylamine; for 0.5h;
92%
methyl Pentafluorobut-3-enoate
20562-79-2

methyl Pentafluorobut-3-enoate

Methyl tetrafluoro-3-fluoroformylpropanate
63425-24-1

Methyl tetrafluoro-3-fluoroformylpropanate

Conditions
Conditions Yield
Multi-step reaction with 2 steps
1: 62 percent / O2 / UV-irradiation
2: 92 percent / Et3N / 0.5 h
With oxygen; triethylamine; 1: Epoxidation / 2: Isomerization;
Methyl tetrafluoro-3-fluoroformylpropanate
63425-24-1

Methyl tetrafluoro-3-fluoroformylpropanate

Conditions
Conditions Yield
3,3,4,4,5,5-Hexafluor-dihydro-furan-2-on, Methanol / Bis-(2-methoxy-aethyl)-aether bei -10grad;
Perfluorbernsteinsaeuredifluorid, MeOH;
Methyl tetrafluoro-3-fluoroformylpropanate
63425-24-1

Methyl tetrafluoro-3-fluoroformylpropanate

methyl 4-trifluoroethenoxy-2,2,3,3,4,4-hexafluorobutanoate
19190-61-5

methyl 4-trifluoroethenoxy-2,2,3,3,4,4-hexafluorobutanoate

Conditions
Conditions Yield
Multi-step reaction with 2 steps
1: CsF / bis-(2-methoxy-ethyl) ether
2: Na2CO3 / Heating
With sodium carbonate; cesium fluoride; In diethylene glycol dimethyl ether; 1: Addition / 2: Elimination;
Methyl tetrafluoro-3-fluoroformylpropanate
63425-24-1

Methyl tetrafluoro-3-fluoroformylpropanate

methyl 2,2,3,3,4,4-hexafluorobutyrate
356-32-1

methyl 2,2,3,3,4,4-hexafluorobutyrate

Conditions
Conditions Yield
Multi-step reaction with 2 steps
1: CsF / bis-(2-methoxy-ethyl) ether
2: Na2CO3 / Heating
With sodium carbonate; cesium fluoride; In diethylene glycol dimethyl ether; 1: Addition / 2: Elimination;

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