Quinoline yellow, Quinoline Yellow WS, C.I. 47005, or Food Yellow 13, is a yellow food dye with a maximum absorption wavelength of 416nm.p.119 Chemically it is a mixture of disulfonates (principally), monosulfonates and trisulfonates of 2-(2-quinolyl) indan-1,3-dione.

CAS：8004-92-0
中文别名：酸性黄3;2-(2-喹啉基)-1,3-茚二酮二磺酸二钠盐;
英文别名：Quinoline Yellow;
分子式：C18H9NNa2O8S2
分子量：477.375
精确质量：476.956
Psa：178.19
Logp：3.3674

UNII：35SW5USQ3G

外观与性状：黄色至橙色粉末
熔点：150ºC (Decomposes)
稳定性：Stable at room temperature in closed containers under normal storage and handling conditions.
储存条件：Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

安全说明：S26-S36
危险类别码：R36/37/38
危险品标志：Xi