Acute behavioral toxicity of sulfolane: influence of hypothermia.
Sulfolane is a solvent which produces hypothermia and decreased oxygen consumption following acute exposure. In the present experiment, we investigated effects of sulfolane on a behavioral measure of toxicity at ambient temperatures which would either prevent or facilitate the development of hypothermia. Adult male Long-Evans rats (N = 10/dose) received a single i.p. injection of saline, 200, 400 or 800 mg/kg sulfolane. Motor activity in figure-of-eight mazes was assessed 1 h after dosing in testing rooms maintained at either 20.8 degrees C or at 32.3 degrees C. At the warm ambient temperature, sulfolane produced hypoactivity but not hypothermia. At the cooler temperature, sulfolane-induced hypoactivity was more pronounced, and rats were hypothermic. Therefore, a behavioral change could be detected at sublethal dosages of sulfolane in the absence of hypothermia.
D000818:Animals; D001831:Body Temperature / Q000187:drug effects*; D008297:Male; D009043:Motor Activity / Q000187:drug effects*; D051381:Rats; D013876:Thiophenes / Q000633:toxicity*
D013876:Thiophenes; C013693:sulfolane