522.2002—Propiopromazine hydrochloride injection.
        
        (a) Chemical name.
         1-Propanone, 1-[10-[3-(dimethylamino) propyl] phenothiazine-2-yl]-, monohydrochloride.
    
    
        
        (b) Specifications.
         Propiopromazine hydrochloride injection contains 5 or 10 milligrams of the drug in each milliliter of sterile aqueous solution.
    
    
    
        
        (d) Conditions of use.
        
        (1) 
         It is administered either intravenously or intramuscularly to dogs and cats for tranquilization at a dosage level of 0.05-0.5 milligram per pound of body weight and is also administered intravenously to dogs and cats as a preanesthetic at a dosage level of 0.25 milligram per pound of body weight.
    
    
        
        (2) 
         It is not to be used in conjunction with organophosphates and/or procaine hydrochloride since phenothiazines may potentiate the toxicity of organophosphates and the activity of procaine hydrochloride.