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乙二醇丁醚(C_4H_9OCH_2CH_2OH)是带有轻微乙二醇气味的无色液体。沸点171.2℃,分子量118.17。密度0.9017,n~D=1.417。室温下蒸气的饱和浓度4.83mg/L。能与水、醇和醚任意混溶。广泛用作树脂和油漆的溶剂,并作为金属等的清净剂。它的LD_(50):大鼠为780mg/kg,家兔为300mg/kg。CL_(50):大鼠为2.9mg/L。通过毒理-卫生实验的结果,建议工作区空气中的最高容许浓度为2 mg/m~3。
Ethylene glycol butyl ether (C_4H_9OCH_2CH_2OH) is a colorless liquid with a slight ethylene glycol odor. The boiling point of 171.2 ° C, the molecular weight of 118.17. Density 0.9017, n ~ D = 1.417. The saturated vapor concentration of 4.83mg / L at room temperature. With water, alcohol and ether any miscibility. Widely used as a solvent for resins and paints, and as a metal detergent. Its LD 50: 780 mg / kg for rats and 300 mg / kg for rabbits. CL_ (50): 2.9 mg / L in rats. According to the result of toxicology-sanitation experiment, it is recommended that the maximum permissible concentration of air in the work area should be 2 mg / m3.