34946
四氢呋喃
puriss. p.a., dried, ≥99.9% (GC), ≤0.005% water
别名:
丁烯氧化物, 四亚甲基氧化物, 氧杂环戊烷
选择尺寸
关于此项目
vapor pressure
114 mmHg ( 15 °C), 143 mmHg ( 20 °C)
grade
puriss. p.a.
assay
≥99.9% (GC)
autoignition temp.
610 °F
quality
dried
contains
~250 mg/L 2,6-di-tert.-butyl-4-methylphenol as stabilizer
expl. lim.
1.8-11.8 %
impurities
≤0.001% free acid (as CH3COOH), ≤0.001% non-volatile matter, ≤0.005% peroxides (as H2O2), ≤0.005% water (Karl Fischer), ≤0.005% water
mp
−108 °C (lit.)
density
0.889 g/mL at 25 °C (lit.)
cation traces
Al: ≤0.5 mg/kg, B: ≤0.02 mg/kg, Ba: ≤0.1 mg/kg, Ca: ≤0.5 mg/kg, Cd: ≤0.05 mg/kg, Co: ≤0.02 mg/kg, Cr: ≤0.02 mg/kg, Cu: ≤0.02 mg/kg, Fe: ≤0.1 mg/kg, Mg: ≤0.1 mg/kg, Mn: ≤0.02 mg/kg, Ni: ≤0.02 mg/kg, Pb: ≤0.1 mg/kg, Sn: ≤0.1 mg/kg, Zn: ≤0.1 mg/kg
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Packaging
signalword
Danger
Hazard Classifications
Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
target_organs
Central nervous system, Respiratory system
supp_hazards
存储类别
3 - Flammable liquids
wgk
WGK 1
flash_point_f
-6.2 °F - closed cup
flash_point_c
-21.2 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
法规信息
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