CAS号:368-39-8
品名:三乙基氧翁四氟硼酸Triethyloxoniumtetrafluoroborate
中文别名:三乙基氧鎓四氟硼酸盐;三乙基氧四氟硼酸盐;三乙基氧;三乙基氧四氟硼酸;
英文别名:triethyloxidanium,tetrafluoroborate;TriethyloxoniuMTetrafluoroborate;
分子式:C6H15BF4O
分子量:189.987
精确质量:190.115
Psa:9.23
RTECS号:RR4584700
EINECS号:206-705-1
外观与性状:白色至淡黄色晶体粉末
密度:1.328g/mLat 25°C
沸点:203.5ºC at 760mmHg
熔点:96-97°C
闪点:76.9ºC
储存条件:2-8ºC
安全说明:S23-S24/25-S26-S36/37/39-S45-S22
危险类别码:R14; R34; R40
WGK Germany:2
海关编码:29420000
危险品运输编码:UN 3265 8/PG 2
危险类别:4.1
包装等级:II
危险品标志:C
信号词:Danger
危险性防范说明:P280; P305 + P351 + P338; P310
危险标志:GHS05
危险性描述:H314
简介:Triethyloxoniumtetrafluoroborateistheorganicoxoniumcompoundwiththeformula[(CH3CH2)3O]BF4.ItisoftencalledMeerwein'sReagentafteritsdiscovererHansMeerwein.Alsowellknownandcommerciallyavailableistherelatedtrimethyloxoniumtetrafluoroborate.Thecompoundsarewhitesolidsthatdissolveinpolarorganicsolvents.Theyarestrongalkylatingagents.AsidefromtheBF−4salt,manyrelatedderivativesareavailable.
用途:1.强力乙基化剂,酸的酯化,蛋白质羧基修饰。
C-X键形成(无卤素)