Tetrahydrofuran

vapor density

2.5 (vs air)

Quality Level

100

vapor pressure

114 mmHg ( 15 °C)
143 mmHg ( 20 °C)

Assay

≥99.9%

form

liquid

autoignition temp.

610 °F

expl. lim.

1.8-11.8 %

technique(s)

HPLC: suitable

impurities

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

evapn. residue

≤0.0005%

color

APHA: ≤10

refractive index

n20/D 1.407 (lit.)

pH

~7

bp

65-67 °C (lit.)

mp

−108 °C (lit.)

density

0.889 g/mL at 25 °C (lit.)

absorption

≤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

UV absorption

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

suitability

complies for IR spectroscopy

application(s)

food and beverages

SMILES string

C1CCOC1

InChI

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

InChI key

WYURNTSHIVDZCO-UHFFFAOYSA-N