CAS:375-72-4
375-72-4
CAS号：375-72-4
品名：全氟丁基磺酰氟Nonafluorobutanesulfonylfluoride
中文别名：九氟-1-丁烷磺酰基氟化物;1,1,2,2,3,3,4,4,4-九氟-1-丁烷磺酰氟;九氟丁烷磺酰氟;全氟-1-丁基磺酰基氟化物;FX-4;
英文别名：1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonylfluoride;Nonafluoro-1-butanesulfonylFluoride;Perfluoro-1-butanesulfonylFluoride;1,1,2,2,3,3,4,4,4-Nonafluorobutane-1-sulfonylfluoride;NonafluorobutanesulfonylFluoride;
分子式：C4F10O2S
分子量：302.091
精确质量：301.946
Psa：42.52
MDL号：MFCD00007422
外观与性状：透明无色或略黄色液体
密度：1.716g/mLat 20°C(lit.)
沸点：64°C(lit.)
熔点：-110°C
闪点：65-66°C
折射率：n20/D 1.3(lit.)
安全说明：S26-S36/37/39-S45-S25
危险类别码：R34
WGK Germany：3
海关编码：2942000000
危险品运输编码：UN 3265 8/PG 2
危险类别：8
包装等级：II
危险品标志：C
简介：Perfluorobutanesulfonylfluoride(nonafluorobutanesulfonylfluoride,NfF)isacolorless,volatileliquidthatisimmisciblewithwaterbutsolubleincommonorganicsolvents.Itispreparedbytheelectrochemicalfluorinationofsulfolane.NfFservesasanentrypointtononafluorobutanesulfonates(nonaflates),whicharevaluableaselectrophilesinpalladiumcatalyzedcrosscouplingreactions.Asaperfluoroalkylsulfonylatingagent,NfFofferstheadvantagesoflessercostandgreaterstabilityoverthemorefrequentlyusedtriflicanhydride.Thefluorideleavinggroupisreadilysubstitutedbynucleophilessuchasamines,phenoxides,andenolates,givingsulfonamides,arylnonaflates,andalkenylnonaflatesrespectively.However,itisnotattackedbywater(inwhichitisstableatpH<12).HydrolysisbybariumhydroxidegivesBa(ONf)2,whichupontreatmentwithsulfuricacidgivesperfluorobutanesulfonicacidandinsolublebariumsulfate.
用途：本品结构性能类似于全氟辛磺酰氟，可以用来合成多种含氟特种表面活性剂。用于合成氟碳表面活性剂、含氟农药、染料、聚碳酸酯加工处理分散剂,又是聚碳酸酯最佳阻燃剂。
有机砌块
