应用
7,7,8,8-Tetracyanoquinodimethane is an electron-acceptor molecule used to form charge-transfer superconductors. It is an effective catalyst used for the ?-chlorination of carboxylic acids using chlorosulfonic acid; the presence of TCNQ suppresses competing free-radical chlorination.
备注
Keep container tightly sealed. Store in cool, dry conditions in well sealed containers. Incompatible with oxidizing agents.
基本信息
MDL
MFCD00011664
EINECS
216-174-8
分子式
C12H4N4
分子量
204.19
熔点
ca 288° dec.
灵敏度
Ambient temperatures.
形态
Crystals
溶解性
Insoluble in water.
Beilstein
611604
GHS危害和防范说明
GHS符号
Hazard Statements
H302-H312-H331
Harmful if swallowed.Harmful in contact with skin.Toxic if inhaled.
Precautionary Statements
P261-P280h-P304+P340-P311a-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves/clothing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.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
危险等级
6.1
包装组
III
危险类别
20/21/22
Harmful by inhalation, in contact with skin and if swallowed.
安全等级
36/37
Wear suitable protective clothing and gloves.
欧盟危险品标志
RTECS
GU4850000
TSCA
是
