| 中文名 | 四氢呋喃 |
| 中文同义 | 超干THF;四氢呋喃(需要相关证明);聚四氢呋喃,AVERAGE MN ~1,000;四氢呋喃,AR,99.0%;四氢呋喃,FOR HPLC,≥99.9%;无水THF;THF四氢呋喃;四氢呋喃, 99.5%, SPCDRY, WITH MOLECULAR SIEVES, WATER≤50 PPM (BY K.F.), SPCSEAL |
| 英文名 | Tetrahydrofuran |
| 英文同义 | TETRAMETHYLENE ETHER GLYCOL 2000 POLYMER;Tetrahydrofuran ,99.8% [Tetrahydrofuran,ACS/HPLC Certified];Tetrahydrofuran, 99.6%, stabilized with BHT, for analysis ACS;Tetrahydrofuran, 99+%, stabilized with BHT, extra pure;Tetrahydrofuran, 99.9%, anhydrous, stabilized, extra pure;Tetrahydrofuran, 99.5+%, for spectroscopy;Tetrahydrofuran, 99.8%, unstabilized, for HPLC;Tetrahydrofuran, 99.85%, water <50 ppm, stabilized, extra dry |
| CAS | 109-99-9 |
| 分子式 | C4H8O |
| 分子量 | 72.11 |
| EINECS | 203-726-8 |
| 结构式 |  |
| 性质 | |
| 熔点 | -108°C |
| 沸点 | 66 °C |
| 密度 | 0.887 g/mL at 20 °C |
| 蒸气密度 | 2.5 (vs air) |
| 蒸气压 | <0.01 mm Hg ( 25 °C) |
| 折射率 | n20/D 1.465 |
| 闪点 | >230 °F |
| 储存条件 | Store at +5°C to +30°C. |
| 溶解度 | water: soluble |
| 形态 | Liquid |
| 颜色 | <10(APHA) |
| 比重 | 0.89 |
| 相对极性 | 0.207 |
| 气味 (Odor) | Ethereal, detectable at 2 to 50 ppm |
| PH值 | 7-8 (200g/l, H2O, 20℃) |
| 酸碱指示剂变色ph值范围 | 7 |
| 爆炸极限值(explosive limit) | 1.5-12.4%(V) |
| 水溶解性 | miscible |
| 凝固点 | -108℃ |
| 最大波长(λmax) | λ: 245 nm Amax: ≤0.26 λ: 275 nm Amax: ≤0.046 λ: 315 μm Amax: ≤0.0044 |
| 敏感性 | Air Sensitive & Hygroscopic |
| Merck | 14,9211 |
| BRN | 102391 |
| Henrys Law Constant | 1.54 (static headspace-GC, Welke et al., 1998) |
| 暴露限值 | TLV-TWA 200 ppm (590 mg/m3) (ACGIH, MSHA, and OSHA); STEL 250 ppm (ACGIH); IDLH 20,000 ppm (NIOSH). |
| 稳定性 | Stable. Incompatible with halogens, strong oxidizing agents, strong reducing agents, strong bases, oxygen. May generate explosive peroxides in storage if in contact with air. Highly flammable. Store at room temperature under nitrogen. Hazardous polymerisation may occur. Light sensitive. May contain 2,6-di-tertbutyl-4-methylphenol (BHT) as a s |
| InChIKey | WYURNTSHIVDZCO-UHFFFAOYSA-N |
| (IARC)致癌物分类 | 2B (Vol. 119) 2019 |
| NIST化学物质信息 | Furan, tetrahydro-(109-99-9) |
| EPA化学物质信息 | Tetrahydrofuran (109-99-9) |