Quinolingult består hovedsagelig af natriumsalte af en blanding af disulfonater (overvejende), monosulfonater og trisulfonater af ovennævnte forbindelser, andre farvestoffer samt natriumchlorid og/eller natriumsulfat som de vigtigste ufarvede bestanddele.
Quinoline Yellow consists essentially of sodium salts of a mixture of disulfonates (principally), monosulfonates and trisulfonates of the above compound and subsidiary colouring matters together with sodium chloride and/or sodium sulphate as the principal uncoloured components.