Quazepam:
Off-white to yellowish powder.
Quinapril Hydrochloride:
White to off-white powder,with a pink cast at times.Freely soluble in aqueous solvents.
Quinidine Gluconate:
White powder.Is odorless and has a very bitter taste.Freely soluble in water;slightly soluble in alcohol.
Quinidine Sulfate:
Fine,needle-like,white crystals,frequently cohering in masses,or fine,white powder.Is odorless,and darkens on exposure to light.Its solutions are neutral or alkaline to litmus.Slightly soluble in water;soluble in alcohol;sparingly soluble in chloroform;insoluble in ether.
Quinine Sulfate:
White,fine,needle-like crystals,usually lusterless,making a light and readily compressible mass.Is odorless.It darkens on exposure to light.Its saturated solution is neutral or alkaline to litmus.Slightly soluble in water,in alcohol,and in chloroform;very slightly soluble in ether;freely soluble in alcohol at 80
,and in a mixture of 2volumes of chloroform and 1volume of dehydrated alcohol;sparingly soluble in water at 100.
,and in a mixture of 2volumes of chloroform and 1volume of dehydrated alcohol;sparingly soluble in water at 100.