应用
4-Bromo-1-butene is used in the preparation of 4-(3-butenyloxy)benzoic acid and largazole. It is also used in double alkylation of lactams followed by Grubbs ring-closing metathesis to yield gymnodimine. Further, it serves as a reagent in the preparation of dienehydrazides.

备注
Light sensitive. Store in a cool place. Incompatible with strong bases.

基本信息

MDL
MFCD00000258

EINECS
225-937-4

分子式
BrCH₂CH₂CH=CH₂

分子量
135.00

沸点
98-100°

闪点
1°(34°F)

密度
1.330

折射率
1.4630

灵敏度
Keep Cold. Light Sensitive.

形态
Liquid

溶解性
Miscible with water, benzene, ether and ethanol.

Beilstein
1098377

GHS危害和防范说明

GHS符号

Hazard Statements
H225-H319-H334-H317-H335
Highly flammable liquid and vapour.Causes serious eye irritation.May cause allergy or asthma symptoms or breathing difficulties if inhaled.May cause an allergic skin reaction.May cause respiratory irritation.

Precautionary Statements
P210-P284-P303+P361+P353-P305+P351+P338-P405-P501a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.Wear respiratory protection.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
3

包装组
II

危险类别
11-36/37-42/43
Highly flammable.Irritating to eyes and respiratory system.May cause sensitization by inhalation and skin contact.

安全等级
9-16-23-24-26-33-37-45
Keep container in a well-ventilated place.Keep away from sources of ignition - No smoking.Do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer).Avoid contact with skin.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Take precautionary measures against static discharges.Take precautionary measures against static discharges.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
是