应用
Tantalum(V) fluoride is used as a Friedel-Crafts catalyst. It combines with hydrogen fluoride and acts as a catalyst for the alkylation of alkanes and alkenes as well as the protonation of aromatic compounds.

备注
Moisture sensitive. Incompatible with strong oxidizing agents and strong bases.

基本信息

MDL
MFCD00042542

EINECS
232-022-3

分子式
TaF₅

分子量
275.94

熔点
96.8°

沸点
229.5°

密度
4.74

灵敏度
Moisture Sensitive. Store under Argon. Ambient temperatures.

形态
Powder

溶解性
Decomposes in water forming tantalum oxyfluoride. Soluble in conc. and fuming HNO{3}Soluble in carbon disulfide, carbon tetrachloride and chloroform. Slightly soluble in acetic acid and ethanol.

Merck
14,9055

GHS危害和防范说明

GHS符号

Hazard Statements
H302-H312-H332-H314-H318
Harmful if swallowed.Harmful in contact with skin.Harmful if inhaled.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
20/21/22-34
Harmful by inhalation, in contact with skin and if swallowed.Causes burns.

安全等级
9-20-26-36/37/39-45-60
Keep container in a well-ventilated place.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

RTECS
WW5775000

TSCA
是