基本信息

安全信息

应用
Ethyl trans-4-oxo-2-butenoate is an intermediate used to synthesize pharmaceutically active molecules. It is also used in the asymmetric catalytic alkynylation of acetaldehyde, producing attractive synthons with broad applications, such as (+)-Tetrahydropyrenophorol.

备注
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Incompatible with oxidizing agents.

基本信息

MDL
MFCD00236170

分子式
C₆H₈O₃

分子量
128.13

熔点
-9°

沸点
184-188°

闪点
68°(154°F)

密度
1.063

折射率
1.4550

灵敏度
Keep Cold.

形态
Liquid

溶解性
Slightly soluble in water(2.6 g/L at 25°C).

Beilstein
8762336

GHS危害和防范说明

GHS符号

Hazard Statements
H227-H301-H314-H318-H317
Combustible liquid.Toxic if swallowed.Causes severe skin burns and eye damage.Causes serious eye damage.May cause an allergic skin reaction.

Precautionary Statements
P210e-P301+P310a-P303+P361+P353-P305+P351+P338-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.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
III

危险类别
25-34-43
Toxic if swallowed.Causes burns.May cause sensitization by skin contact.

安全等级
20-23-26-36/37/39-45-60
When using do not eat or drink.Do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer).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

TSCA
否

基本信息

安全信息

图形或危害标志
危险性说明	H300: Fatal if swallowed. H314: Causes severe skin burns and eye damage. H317: May cause an allergic skin reaction.
防范说明	P260: Do not breathe . P261: Avoid breathing P264: Wash hands thoroughly after handling. P270: Do not eat, drink or smoke when using this product. P272: Contaminated work clothing should not be allowed out of the workplace. P280: Wear . P301 + P310: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. 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). P330: Rinse mouth. P333 + P313: If skin irritation or rash occurs: Get medical advice/attention. P363: Wash contaminated clothing before reuse. P405: Store locked up. P501: Dispose of contents/container to local regulations.