货号: | 34865 | 规格: | |
品牌: | Sigma-Aldrich | 价格: | ¥ |
产品分类: | 特价奥特莱斯专区 | 研究领域: | |
CAS编号: | 109-99-9 | 分子量: | |
分子式: | 别名: | ||
储存条件: | 运输条件: | ||
货期: | 应用: | ||
说明书: | 备注: | ||
产品描述 | |||
34865 Sigma-Aldrich 四氢呋喃 inhibitor-free, suitable for HPLC, ≥99.9% 别名: THF, 丁烯氧化物, 四亚甲基氧化物, 氧杂环戊烷 经验公式(希尔记法):C4H8O CAS号:109-99-9 分子量:72.11 Beilstein:102391 EC 号:203-726-8 MDL编号:MFCD00005356 PubChem化学物质编号:329755073 NACRES:NA.21 属性 蒸汽密度2.5 (vs air) 质量水平100 蒸汽压114 mmHg ( 15 °C) 143 mmHg ( 20 °C) 检测方案≥99.9% 形式liquid 自燃温度610 °F expl. lim.:1.8-11.8 % 技术HPLC: suitable 杂质≤0.0005% non-volatile matter ≤0.002% free acid (as CH3COOH) ≤0.05% peroxides (as H2O2) ≤0.05% water (Karl Fischer) 蒸发残留物 ≤0.0005% 颜色APHA: ≤10 折射率n20/D 1.407 (lit.) pH值(酸碱度)~7 bp:65-67 °C (lit.) mp:−108 °C (lit.) 密度0.889 g/mL at 25 °C (lit.) 吸光度≤0.0044 at 315 nm ≤0.005 at 350 nm ≤0.005 at 400 nm ≤0.02 at 300 nm ≤0.046 at 275 nm ≤0.18 at 250 nm ≤0.26 at 245 nm ≤1.0 at 212 nm 紫外吸收λ: 245 nm Amax: ≤0.26 λ: 275 nm Amax: ≤0.046 λ: 315 μm Amax: ≤0.0044 适用性complies for IR spectroscopy 应用food and beverages SMILES字符串:C1CCOC1 InChI:1S/C4H8O/c1-2-4-5-3-1/h1-4H2 InChI key:WYURNTSHIVDZCO-UHFFFAOYSA-N |