分散橙149是一种化学物质，化学式是C25H26N6O3。

1S/C25H26N6O3/c1-17(2)34-15-7-14-31-24(32)22(16-26)18(3)23(25(31)33)30-29-21-12-10-20(11-13-21)28-27-19-8-5-4-6-9-19/h4-6,8-13,17,33H,7,14-15H2,1-3H3

3-PYRIDINECARBONITRILE,1,2-DIHYDRO-6-HYDROXY-4-METHYL-1-3-(1-METHYLETHOXY)PROPYL-2-OXO-5-4-(PHENYLAZO)PHENYLAZO-;

DISPERSEORANGE149;

6-HYDROXY-1-(3-ISOPROPOXYPROPYL)-4-METHYL-2-OXO-5-[4-(PHENYLAZO)PHENYLAZO]-1,2-DIHYDRO-3-PYRIDINECARBONITRILE;

危险品标志

T：有毒物质