四氢呋喃

四氢呋喃, inhibitor-free, suitable for HPLC, ≥99.9%

HPLC grade

2.5 (vs air)

114 mmHg ( 15 °C), 143 mmHg ( 20 °C)

≥99.9%

liquid

610 °F

1.8-11.8 %

HPLC: suitable

≤0.0005% non-volatile matter, ≤0.002% free acid (as CH₃COOH), ≤0.05% peroxides (as H₂O₂), ≤0.05% water (Karl Fischer)

≤0.0005%

APHA: ≤10

n20/D 1.407 (lit.)

~7

65-67 °C (lit.)

−108 °C (lit.)

0.889 g/mL at 25 °C (lit.)

≤0.0044 at 315 nm, ≤0.005 at 350 nm, ≤0.005 at 400 nm, ≤0.02 at 300 nm, ≤0.046 at 275 nm, ≤0.18 at 250 nm, ≤0.26 at 245 nm, ≤1.0 at 212 nm

λ: 245 nm A_max: ≤0.26, λ: 275 nm A_max: ≤0.046, λ: 315 μm A_max: ≤0.0044

complies for IR spectroscopy

food and beverages

C1CCOC1

1S/C4H8O/c1-2-4-5-3-1/h1-4H2

WYURNTSHIVDZCO-UHFFFAOYSA-N