毒理性
识别和使用:醋酸钴是一种固体。它用作漆和清漆的漂白剂和干燥剂;在阳极氧化过程中;以及作为氧化和酯化的催化剂。牛饲料中的矿物质补充剂。人类暴露和毒性:急性人类暴露导致呕吐,上腹部剧痛和压痛,四肢疼痛伴有明显无力,呕血和便中潜血。在暴露于醋酸钴的照射HeLa细胞中,DNA链断裂累积并抑制修复。动物研究:通过胃管给大鼠给药后,急性效应包括镇静,腹泻和体温下降。大体病理检查显示肝脏,肾脏和心脏出血和营养不良变化。大鼠口服暴露导致血红蛋白和血细胞比容以及血浆蛋白的增加。出现了明显的血糖升高,以及血脂参数(如甘油三酯和胆固醇)的显著变化。在大鼠在轻度缺血条件下急性醋酸钴中毒后观察到神经学体征。据报道,它对仓鼠或大鼠没有致畸性。已经描述了氧化DNA碱基损伤。
IDENTIFICATION AND USE: Cobaltous acetate is a solid. It is used as a bleaching agent and drier for lacquers, varnishes; in anodizing; and as a catalyst for oxidation and esterification. Mineral supplement in cattle feed. HUMAN EXPOSURE AND TOXICITY: Acute human exposure led to vomiting, severe pain and tenderness in epigastrium, pain in limbs with marked weakness, hematemesis, and occult blood in stools. DNA strand breaks accumulated and repair was inhibited in irradiated HeLa cells exposed to cobaltous acetate. ANIMAL STUDIES: Following administration to rats by gastric intubation acute effects included sedation, diarrhea, and decreased body temperature. Gross pathology exam revealed hemorrhages and dystrophic changes in the liver, kidney, and heart. Oral exposure in rats led to increase in the hemoglobin and hematocrit as well as in the plasma proteins. There was significant hyperglycemia and also significant changes in the lipid parameters such as triglycerides and cholesterol. The neurological signs were observed in rats after acute cobaltous acetate intoxication under mild ischemic conditions. It was not reported to be teratogenic in hamsters or rats. Oxidative DNA base damage has been described.
来源:Hazardous Substances Data Bank (HSDB)