应用
Trimethyloxonium tetrafluoroborate act as a avmethylating agent and activates C-X multiple bonds. It is involved in the esterification of polyfunctional carboxylic acids. It acts as a catalyst in the polymerization of cyclic sulfides and ethers. Further, it is used in Beckmann rearrangement of oximes.
备注
Hygroscopic. Moisture sensitive. Store in a cool place. Incompatible with strong oxidizing agents and bases.
基本信息
MDL
MFCD00011798
EINECS
206-994-4
分子式
C3H9BF4O
分子量
147.91
熔点
ca 190° dec.
灵敏度
Store at -20°C. Moisture Sensitive. Store under Nitrogen.
形态
Powder
溶解性
Soluble in nitrobenzene, nitromethane, chloroform, hot acetone, liquid sulfur dioxide. Slightly soluble in dichloromethane. Insoluble in common organic solvents.
Beilstein
3597303
GHS危害和防范说明
GHS符号
Hazard Statements
H314-H318
Causes severe skin burns and eye damage.Causes serious eye damage.
Precautionary Statements
P260h-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.
安全信息
危险等级
8
包装组
II
危险类别
34
Causes burns.
安全等级
20-26-36/37/39-45-60
When using do not eat or drink.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste
欧盟危险品标志
TSCA
是
