中文名 | 甲醚 |
英文名 | Methyl Ether |
别名 | 甲醚 氧二甲 二甲醚 |
英文别名 | UN1033 (CH3)2O Dymel A demeond HSDB 354 |
CAS | 115-10-6 157621-61-9 |
EINECS | 204-065-8 |
化学式 | C2H6O |
分子量 | 46.07 |
InChI | InChI=1/C2H6O/c1-3-2/h1-2H3 |
密度 | 1.617 |
熔点 | −141°C(lit.) |
沸点 | −24.8°C(lit.) |
闪点 | -41°C |
水溶性 | soluble |
蒸汽压 | >760 mm Hg ( 25 °C) |
蒸汽密度 | 1.62 (vs air) |
溶解度 | Soluble in acetone, chloroform, ethanol (95%), ether, and 1 in 3 parts of water. Dimethyl ether is generally miscible with water, nonpolar materials, and some semipolar materials. For pharmaceutical aerosols, ethanol (95%) is the most useful cosolvent. Glycols, oils, and other similar materials exhibit varying degrees of miscibility with dimethyl ether. |
折射率 | 1.2984 |
稳定性 | Stable. Extremely flammable. Note low flash point. May form explosive mixtures with air. May form peroxides during prolonged storage. |
气味 | Chloroform-like; sweet. |
Merck | 6071 |
BRN | 1730743 |
爆炸极限值 | 27% |
物化性质 | 无色易液化气体,燃烧时火焰略带光亮。 溶于水、汽油、四氯化碳、苯、氯苯、丙酮及乙酸甲酯。 |
产品用途 | 用作溶剂、冷冻剂、喷雾剂等 |
危险品标志 | F+ - 极易燃物品![]() |
风险术语 | 12 - 极度易燃。 |
安全术语 | S9 - 保持容器置于良好通风处。 S16 - 远离火源。 S33 - 采取措施,预防静电发生。 |
危险品运输编号 | UN 1033 2.1 |
WGK Germany | 1 |
RTECS | PM4780000 |
FLUKA BRAND F CODES | 4.5-31 |