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Diselenide, bis(trifluoromethyl), also known as bis(trifluoromethyl)diselenide or (CF3)2Se2, is a chemical compound consisting of a diselenide group (Se-Se) with two trifluoromethyl groups (CF3) attached to each selenium atom. This organoselenium compound is characterized by its molecular formula C2F6Se2 and a molar mass of 254.9 g/mol. It is a colorless, volatile liquid with a pungent odor and is sensitive to light and heat. Bis(trifluoromethyl)diselenide is used as a reagent in organic synthesis, particularly in the formation of diselenides and as a precursor for other organoselenium compounds. Due to its reactivity and potential toxicity, it should be handled with care and stored in a cool, dark place.

372-65-6

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372-65-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 372-65-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,7 and 2 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 372-65:
(5*3)+(4*7)+(3*2)+(2*6)+(1*5)=66
66 % 10 = 6
So 372-65-6 is a valid CAS Registry Number.

372-65-6Relevant academic research and scientific papers

Advances in Perhalogeno Thiocarbonyl, Selenocarbonyl and Selenodiimine Chemistry

Fockenberg, F.,Haas, A.

, p. 413 - 422 (2007/10/02)

Trifluoromethylselenylthiocarbonyls form with CF33-nClnSCl or CF3SeCl the corresponding disulfanes or selanesulfanes.Oxidation of CF3SeC(S)X, X = CF3Se, CF3S, Cl, or Br, with 3-Cl-C6H4C(O)OOH yields compounds CF3Se(X)C=S=O.Only decomposition products are obtained from (CF3Se)2CSe and Cl2, CF3SeCl, CF3SCl, or 3-Cl-C6H4C(O)OOH.The preparation of compounds RN=Se=NR, R = (CH3)3Si, CF3C(O), or CF3SO2, is described.Physical and spectroscopical data of the new substances are provided. - Keywords: Synthesis, Thiocarbonyl, Selenocarbonyl, Selenodiimine

Advances in Trifluoromethylselenium(II)- and -selenium(IV)-Chemistry

Haas, Alois,Tebbe, Klaus

, p. 897 - 902 (2007/10/02)

Fluorination of CF3SeCl with AgF leads to CF3Se(O)OH and CF3SeSeCF3 after reactions of the primary products with glass.Condensations of (CF3S)2NH and 2NH with CF3SeCl gave CF3SeN(SCF3)2, and 2NSeCF3, (CF3Se)2NSi(CH3)3, CF3SeN(H)Si(CH3)3, respectively.The reaction of FC(O)SCl with Hg(SeCF3)2 gave besides FC(O)SSeCF3 in smaller quantities also CF3SeSSeCF3.When a mixture of (CF3Se)2NH and Cl3S3N3 is heated to 50 deg C, CF3SeN=S=NSeCF3 is formed.The oxydation of CF3SeCF2X with ClF or m-chloroperbenzoic acid gave CF3Se(O)CF2X (X = F, Cl).Spectroscopical data of the substances are provided. - Key words: Fluorination of CF3SeCl, Reaction of CF3SeN(CH3)2 with HF, Syntheses of CF3SeN=S=NSeCF3 and CF3SeSSeCF3, Oxydation of CF3SeCF2X to CF3Se(O)CF2X, X = F,Cl, Spectroscopical Data

Syntheses of (Trifluoromethylseleno)phosphoryl Dichloride and Thiocarbonyl Bromide Fluoride

Haas, Alois,Mikolajczak, Jerzy

, p. 829 - 831 (2007/10/02)

In the presence of SbCl5 or BCl3 CF3SeCl reacts with CH3OPCl2 to form CF3SeP(O)Cl2 (1).Halogen exchange reactions of SCFCl occur with OPCl3 or SPBr3 to give OPFnCl3-n or SPClnBr3-n (n = 1-3) as well as SPBrClF.The reaction of SCFCl with PBr3 leads to SCBrF (2).

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