乙二醇单甲醚，结构式HOCH₂CH₂OCH₃。

无色、具有令人愉快气味的透明液体。与水、乙醇、乙醚、丙酮、甘油、二甲基甲酰胺混溶。有毒，可引起巨红细胞性贫血，出现新生颗粒性白血球并引起中枢神经障碍。

2-Methoxyethanol, or methyl cellosolve, is an organic compound with formula C
3H
8O
2 that is used mainly as a solvent. It is a clear, colorless liquid with an ether-like odor. It is in a class of solvents known as glycol ethers which are notable for their ability to dissolve a variety of different types of chemical compounds and for their miscibility with water and other solvents. It can be formed by the nucleophilic attack of methanol on protonated oxirane followed by proton transfer: