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Diethylaminosulphur trifluoride

Product name: Diethylaminosulphur trifluoride

Abbreviation name: DAST

Structural formula:

CAS No.: 38078-09-0
Molecular Formula: C4H10F3NS
Mol. wt.:161.19
MDL: MFCD00000363
InChI=1/C4H10F3NS/c1-3-8(4-2)9(5, 6)7/h3-4H2, 1-2H3

Flashing point: 23℃
Boling point: 30~32℃ (3 mmHg)  32℃(10mmHg)
Density: 1.213~1.316
Water solubility: decomposes

Reaction chart

Usage:

Commonly used for fluoride reagent, for example, react with R-OH and get fluoroalkane; react with acyl chloride and get acyl fluorid; react with aldehydes or ketones and get twin difluoride; react with sulfoxide and get alpha fluorine sulfide…

 

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