D&C Yellow 10 Food Color

2-(2,3-Dihydro-1,3-dioxo-1 H -indene-2-yl)-6, 8-quinolinedisulfonic acid, disodium salt: 03 percent

2-(2-Quinolinyl)-1 H -indene-1,3 (2 H )-dione: 4 ppm Max

CAS No: 8004-92-0

Chemical Formula: C18H9NO8S2Na

chlorides and sulfates: 15 percent Max

Diethyl ether soluble matter other than that specified: 2 ppm, (using added 2-(2-quinolinyl)-1 H -indene-1,3 (2 H )-dione for calibration)

Matter insoluble in both water and chloroform: 0.2 percent Max

Purity: 85 percent Min

Sum of sodium salts of the disulfonates of 2-(2-quinolinyl)-1 H -indene-1,3 (2 H )-dione: 15 percent

Sum of sodium salts of the monosulfonates of 2-(2-quinolinyl)-1 H -indene-1,3 (2 H )-dione: 75 percent

Sum of volatile matter: at 135 degree C (275 degree F)

Total sulfonated quinaldines, sodium salts: 0.2 percent Max