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25038-02-2

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25038-02-2 Usage

Uses

General purpose oil.

Check Digit Verification of cas no

The CAS Registry Mumber 25038-02-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,0,3 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 25038-02:
(7*2)+(6*5)+(5*0)+(4*3)+(3*8)+(2*0)+(1*2)=82
82 % 10 = 2
So 25038-02-2 is a valid CAS Registry Number.

25038-02-2 Well-known Company Product Price

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  • TCI America

  • (P0966)  Poly(perfluoropropylene Oxide)  

  • 25038-02-2

  • 10g

  • 1,250.00CNY

  • Detail

25038-02-2Relevant articles and documents

SYNTHESIS OF PENTAFLUOROSELENIUMOXIDE FLUOROCARBONS

Schack, Carl J.,Christe, Karl O.

, p. 163 - 172 (1988)

The reaction of xenon bis-pentafluoroseleniumoxide, Xe(OSeF5)5, with the haloolefins, CF2=CF2, CF3CF=CF2, CF2=CFCl, and CF2=CFH, results in the low to moderate yield addition of two SeF5O- groups to the double bond.These are the first examples of this type of addition.From c-C5F8 and the above olefins these same reactions also gave as products, C2F5OSeF5, n-C3F7OSeF5, c-C5F9OSeF5, and SeF5OCF2COCl in higher yields than the bis SeF5O- compounds.Surprisingly, those olefins capable of forming thermally stable epoxides, i.e.C3F6 and c-C5F8, were found to produce significant yields of the corresponding epoxides as a by-product in these reactions, while the remaining olefins gave significant amounts of acid fluorides instead.Characterizing data are presented for all of these new RfOSeF5 compounds.

Preparation method of hexafluoropropylene oxide (by machine translation)

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Paragraph 0033-0050, (2019/12/31)

The application belongs to, the technical field of inorganic chemistry, and particularly relates to a preparation method of. hexafluoropropylene oxide, and the preparation method of hexafluoropropene oxide comprises the, following steps of: reacting a nitrogen oxide, compound, with hexafluoropropylene as a,raw material to obtain hexafluoropropylene oxide as a raw material. (by machine translation)

Method for synthesis of hexafluoropropylene oxide by use of two-liquid-phase buffer solution method under atmospheric pressure

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Paragraph 0055; 0056, (2016/11/28)

The present invention discloses a method for synthesis of hexafluoropropylene oxide by use of a two-liquid-phase buffer solution method under atmospheric pressure, and belongs to the technical field of fluorine chemical industry, and the method is as follows: under atmospheric pressure, sodium hypochlorite is used as an oxidant, a buffer system is used for assisting reaction, C12-C18 alkyl trimethyl ammonium bromide is used as a catalyst, and the two-liquid-phase method is used for synthesis of hexafluoropropylene oxide, the specific steps of the two-liquid-phase method are as follows: under atmospheric pressure, the buffer system is dissolved in an aqueous sodium hypochlorite solution, and then the C12-C18 alkyl trimethyl ammonium bromide and toluene are added into the aqueous sodium hypochlorite solution to form a mixture. The method is mild in reaction conditions, safe and reliable in production, low in power consumption, simple in process, low in production cost, better in environmental protection property, and high in economic efficiency.

A process for the preparation of hexafluoropropylene oxide

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Paragraph 0028-0029, (2017/03/18)

The invention discloses a preparation method for hexafluoropropylene oxide. Hexafluoropropylene is used for preparing hexafluoropropylene oxide through a molecular oxygen liquid-phase oxidation method. A hexafluoropropylene solvent used in the molecular oxygen liquid-phase oxidation method is mixture of perfluoropolyethers and fluorocarbon, and a metallic oxide catalyst is added in a reaction process of the molecular oxygen liquid-phase oxidation method. The preparation method has the advantages that the metallic oxide catalyst is added so that temperature required by a reaction is reduced, solubility of hexafluoropropylene in the solvent is greatly increased, and reaction selectivity is improved.

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