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四氫呋喃


英文名稱(chēng):TetrahydrofuranCAS號:109-99-9分子式:C4H8O分子量:72.11EINECS號:203-726-8

屬性

熔點(diǎn) -108°C沸點(diǎn) 66 °C密度 0.887 g/mL at 20 °C蒸氣密度2.5 (vs air)
蒸氣壓<0.01 mm Hg ( 25 °C)
折射率 n20/D 1.465
閃點(diǎn) >230 °F
儲存條件 2-8°C
溶解度 water: soluble形態(tài)Liquid顏色<10(APHA)
相對極性0.207PH值7-8 (200g/l, H2O, 20℃)氣味 (Odor)Ethereal, detectable at 2 to 50 ppm爆炸極限值(explosive limit)1.5-12.4%(V)水溶解性 miscible凝固點(diǎn) -108℃敏感性 Air Sensitive & Hygroscopic最大波長(cháng)(λmax)λ: 245 nm Amax: ≤0.26
λ: 275 nm Amax: ≤0.046
λ: 315 μm Amax: ≤0.0044Merck 14,9211BRN 102391暴露限值TLV-TWA 200 ppm (590 mg/m3) (ACGIH, MSHA, and OSHA); STEL 250 ppm (ACGIH); IDLH 20,000 ppm (NIOSH).穩定性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 sInChIKeyWYURNTSHIVDZCO-UHFFFAOYSA-N

安全信息

危險性符號(GHS)
GHS02,GHS07,GHS08警示詞Danger危險性描述H333-H225-H302-H319-H335-H351防范說(shuō)明P201-P303+P361+P353-P405-P501a-P210-P280-P301+P312+P330-P305+P351+P338-P370+P378-P403+P235危險品標志 Xi,F,Xn危險類(lèi)別碼 36/37/38-36/37-19-11-40安全說(shuō)明 26-36-33-29-16-46-37-13危險品運輸編號 UN 2924 3/PG 2
WGK Germany 1
RTECS號MD0916000
F 3-10-23自燃溫度610 °FTSCA YesHazardClass 3PackingGroup II海關(guān)編碼 29321100毒性LD50 oral (rat) 2880 mg/kg
LC50 inhal (rat) 21,000 ppm (3 h)
PEL (OSHA) 200 ppm (590 mg/m3)
TLV-TWA (ACGIH) 200 ppm (590 mg/m3)
STEL (ACGIH) 250 ppm (737 mg/m3


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