四氢呋喃 109-99-9

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产品信息
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)