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CAS号:109-99-9
英文名称:Tetrahydrofuran
英文同义词:THF;PTHF;foma;oxolan;5C-APB;Oxolane;THF,99%;109-99-9;PTMEG 250;PTMEG 1800
中文名称:四氢呋喃
中文同义词:搜索;氧戊环;草脲胺;四甲撑氧;一氧五环;四氢呋喃;一氧无环;四氫呋喃;二环氧乙烷;无水THF
分子式:C4H8O
分子量:72.11
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:n
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
Henry's 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
CAS 数据库:109-99-9(CAS DataBase Reference)
(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)