Tetracyanoquinodimethane (TCNQ) is the organic compound with the formula (NC)2CC6H4C(CN)2. This cyanocarbon, a relative of para-quinone, is an electron acceptor that is used to prepare charge transfer salts, which are of interest in molecular electronics.

CAS：1518-16-7
中文别名：7,7,8,8-四氰基苯醌二甲烷;7,7,8,8-四氰基对醌二甲烷;7,7\',8,8\'-四氰基对苯二醌二甲烷;7,7,8,8-四氰基对二次甲基苯醌;
英文别名：7,7,8,8-Tetracyanoquinodimethane;2-[4-(dicyanomethylidene)cyclohexa-2,5-dien-1-ylidene]propanedinitrile;7,7\',8,8\'-Tetracyanoquinodimethane;(2,5-Cyclohexadiene-1,4-diylidene)-dimalononitrile;2,2\'-(Cyclohexa-2,5-diene-1,4-diylidene)dimalononitrile;
分子式：C12H4N4
分子量：204.187
精确质量：204.044
Psa：95.16
Logp：0.08232

RTECS号：GU4850000
BRN号：611604
MDL号：MFCD00011664
EINECS号：216-174-8

外观与性状：橙色至绿色结晶粉末
密度：1.358 g/cm3
沸点：254.7ºC at 760 mmHg
熔点：287-289°C (dec.)(lit.)
闪点：99.7ºC
水溶解性：insoluble
稳定性：Stable. Incompatible with strong acids, strong bases, strong reducing agents, strong oxidizing agents.
储存条件：Keep containers tightly closed. Store in a cool, dry area away from incompatible substances.

RTECS号：GU4850000
安全说明：S22-S24/25-S36/37-S26
危险类别码：R20/21/22
WGK Germany：3
海关编码：29269095
危险品运输编码：3276
危险类别：6.1
包装等级：II
危险品标志：Xn
危险性防范说明：P261; P280; P301 + P310; P311
危险标志：GHS06
信号词：Danger
危险性描述：H301 + H311 + H331