应用
4-Hydroxycoumarin is involved in annulation reactions, due to the relatively high acidity of the C-H bond at the 3-position: a three-component reaction with isocyanides and dialkyl acetylene dicarboxylates affords annulated 4H-pyrans.

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

基本信息

MDL
MFCD00006856

EINECS
214-060-2

分子式
C₉H₆O₃

分子量
162.14

熔点
ca 213° dec.

灵敏度
Ambient temperatures.

形态
Powder

溶解性
Soluble in ethanol and dimethyl formamide. Insoluble in water.

Beilstein
129768

GHS危害和防范说明

GHS符号

Hazard Statements
H302-H315-H319-H335
Harmful if swallowed.Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.

Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
22-36/37/38
Harmful if swallowed.Irritating to eyes, respiratory system and skin.

安全等级
26-36/37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing and gloves.

欧盟危险品标志

RTECS
DJ3100000

TSCA
是