6-Ethoxy-1,2-dihydro-2,2,4-trimethylquinoline

C₁₄H₁₉NO (mol wt 217.31)

A yellow to dark brown oily liquid.
Color changes do not affect the antioxidant function.

 Insoluble in water.
 Soluble in most organic solvents. (ethanol, acetone, benzene etc.)
 Freely miscible with vegetable and animal fats or oils.

Monomer 92.0% min.
(Perchloric acid titration, Food Chemical Codex, 4th edition)

p-Phenetidine

1.0% max.

Heavy metals(as Pb)

2 ppm max.

Loss on Drying

1.0% max. (100～105℃, 2hrs)

Ash

0.5% max.

Feed grade antioxidant

110～140 ppm for feedstuffs
700 ppm for fishmeal
900 ppm for fat and oil of animal and vegetable

Keep in tightly closed containers, protected from light.