Bromadiolone as an active substance in pure form refers to Class I extremely hazardous substances in accordance with GOST 12.1.007-76. If the drug is introduced into the rat’s stomach LD50 criteria is 1,125 mg / kg. During dermal application in rabbits LD50 is 400 mg / kg - Class II hazard.
The drug has emphasized cumulative effect (Kcum. <1), after reapplication to skin its shows absorption through skin effect and topically irritant properties are weakly manifested. TSRAL (temporary safe reference action level) of bromadiolone in the working area is 0.001 mg / m 3 (aerosols) - I Class hazard with a note «requires protection of skin» 0.25% Bromolon concentrate according to the parameters of acute toxicity when introduced into stomach of rats and mice refers to Class III- moderately hazardous, when applied to skin - Class IV low-toxic agent according to the Classification of toxicity and hazard effects of rodenticides. Fumes of the drug in saturating concentrations do not have inhalation hazards and according to the degree of volatility it is referred to Class IV hazard. The drug has an evident cumulative effect: (Kcum <1); it has no local irritation on skin both after single or multiple applications, and on mucous membranes of the eyes; it has an obvious absorption effect through skin after re-application. 0.25% Bromolon concentrate is intended for preparing poison baits to kill rats and mice and for use in facilities undergoing veterinary inspection by the staff of agencies that have the right to engage in rodents control activities.