| CAS 编号 | 110-65-6 | 分子式 | C4H6O2 |
| 分子量 | 86.09 | 性状 | Plates from benzene and ethyl acetate |
| HS 编码 | 暂无 | UN 编号 | 2716 |
| 密度 | 1.07 at 68 °F (USCG, 1999) - Denser than water; will sink | 沸点 | 460 °F at 760 mmHg (USCG, 1999) |
| 熔点 | 50 °C | 闪点 | 263 °F (USCG, 1999) |
| 产地 | 暂无 | 蒸汽压 | 0.000556 [mmHg] |
| 溶解度 | Insoluble in benzene; slightly soluble in ethyl ether, choroform; very soluble in ethanol, acetone, methanol | 储存条件 | The storage temperature should be kept below 40 °C and storage times longer than a few months should be avoided because the butynediol flakes tend to set up. |
| 包装规格 | 暂无 | 保质期 | 暂无 |
| 等级/标准 | 暂无 | EINECS | 203-788-6 |
| MDL | MFCD00002915 | 中国海关编码 | 暂无 |
| GHS 分类 | Danger: H301; H312; H314; H317; H331; H373 **; H311; H318 | 危险分类 | 8 类 (腐蚀性) |
| 分类 | 危险化学品 | 更新日期 | 2026-07-31 |
