Quinaldine red is a dark green/red or black solid that doesn't dissolve easily in water (it is partly miscible). In addition to being used as colored indicator, quinaldine red (abbreviated as QR) is also used as fluorescent probe and an agent in bleaching.

CAS：117-92-0
中文别名：2-[4-(二甲基氨基)苯乙烯]-1-乙基喹啉碘化物;喹哪啶红,DYE CONTEN;喟哪啶红;2-[4-(二甲基氨基)苯乙烯]-1-乙基喹啉鎓碘化物;2-(对二甲氨基苯乙烯)碘化乙基喹啉;碘化-2-(对二甲氨基苯乙烯)乙基喹啉;
英文别名：2-(4-Dimethylaminostyryl)-1-ethylquinolinium iodide;Chinaldinrot;Quinaldine red,pure 25GR;Quinaldine red,pure 5GR;Eastman 1361;Quinaldine red,pure;QUINALDINE RED INDICATOR 5 G;Quinaldine Red;Quinaldine red;QUINALDINE RED INDICATOR;
分子式：C21H23IN2
分子量：430.325
精确质量：430.091
Psa：7.12
Logp：1.3876

MDL号：MFCD00011968
BRN号：3798055
PubChem号：24852005
EINECS号：204-221-5

外观与性状：绿色-黑色粉末
熔点：240 °C
水溶解性：almost insoluble
储存条件：Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

安全说明：S24/25
海关编码：29334990
危险类别：6.1
包装等级：II; III

用途
酸碱指示剂。