二甘醇 Diethylene glycol
（重定向自Dihydroxy diethyl ether）
![](/Images/godic/202501/09/Diethylene-glycol-chemical.svg2102.png")
二甘醇（英语：diethylene glycol 或 diglycol）又叫二乙二醇醚、二乙二醇或一缩二乙二醇，是一种有毒的有机化合物，结构式为HO-CH2CH2-O-CH2CH2-OH。
Dihydroxy diethyl ether
中文百科
英语百科
Diethylene glycol 二甘醇
（重定向自Dihydroxy diethyl ether）
![Medications contaminated with DEG](/Images/godic/202501/09/Haiti_medications_contaminated_with_DEG2102.png")
![Haiti 1996 DEG epidemic curve](/Images/godic/202501/09/Haiti_1995-96_DEG_epidemic_epi_curve_slide2102.png")
Diethylene glycol (DEG) is an organic compound with the formula (HOCH2CH2)2O. It is a colorless, practically odorless, poisonous, and hygroscopic liquid with a sweetish taste. It is miscible in water, alcohol, ether, acetone, and ethylene glycol. DEG is a widely used solvent. It can be a contaminant in consumer products; this has resulted in numerous epidemics of poisoning since the early 20th century.
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