应用
2,2-Difluoro-4-pentenoic acid is involved in the iodolactonization reaction to give the corresponding gamma- lactone, which is converted to prepare prepare 5-hydroxy-3,3-difluoropiperidine.

备注
Incompatible with oxidizing agents and bases.

基本信息

MDL
MFCD09800642

分子式
C₅H₆F₂O₂

分子量
136.10

沸点
56-58°/3mm

灵敏度
Ambient temperatures.

形态
Liquid

溶解性
Immiscible with water.

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
P280-P305+P351+P338-P309-P310
Wear protective gloves/protective clothing/eye protection/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF exposed or if you feel unwell:Immediately call a POISON CENTER or doctor/physician.

安全信息

危险等级
8

包装组
II

危险类别
34
Causes burns.

安全等级
26-36/37/39-45
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).

欧盟危险品标志

TSCA
否

基本信息

安全信息

图形或危害标志
危险性说明	H314: Causes severe skin burns and eye damage. H302 + H312 + H332: Harmful if swallowed, in contact with skin or if inhaled
防范说明	P260: Do not breathe . P264: Wash hands thoroughly after handling. P280: Wear . P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303 + P361 + P353: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P310: Immediately call a POISON CENTER or doctor/physician. P321: Specific treatment (see . on this label). P363: Wash contaminated clothing before reuse. P405: Store locked up. P501: Dispose of contents/container to local regulations.