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1.08110 Supelco

Tetrahydrofuran

for spectroscopy Uvasol®

Synonym: Butylene oxide, Oxolane, THF, Tetramethylene oxide, Oxolane, Butylene oxide, Tetramethylene oxide

  • CAS Number 109-99-9

  • Empirical Formula (Hill Notation) C4H8O

  • Molecular Weight 72.11

  •  Beilstein/REAXYS Number 102391

  •  MDL number MFCD00005356

  •  EC Index Number 203-726-8

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Properties

Quality Level   100
vapor density   2.5 (vs air)
vapor pressure   114 mmHg ( 15 °C)
  143 mmHg ( 20 °C)
autoignition temp.   610 °F
expl. lim.   1.8-11.8 %
refractive index   n20/D 1.407 (lit.)
pH   7-8 (20 °C, 200 g/L in H2O)
bp   65-67 °C (lit.)
mp   −108 °C (lit.)
transition temp   flash point -20 °C
density   0.889 g/mL at 25 °C (lit.)
SMILES string   C1CCOC1
InChI   1S/C4H8O/c1-2-4-5-3-1/h1-4H2
InChI key   WYURNTSHIVDZCO-UHFFFAOYSA-N
storage conditions   Store at +5°C to +30°C.

Description

Analysis Note

Purity (GC): ≥ 99.9 %
Evaporation residue: ≤ 0.0002 %
Water: ≤ 0.01 %
Colour: ≤ 10 Hazen
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Fluorescence (as quinine at 254 nm): ≤ 1.0 ppb
Fluorescence (as quinine at 365 nm): ≤ 1.0 ppb
Transmission (at 215 nm): ≥ 30 %
Transmission (at 245 nm): ≥ 50 %
Transmission (at 265 nm): ≥ 80 %
Transmission (at 275 nm): ≥ 90 %
Transmission (from 310 nm): ≥ 98 %
Absorbance (at 215 nm): ≤ 0.52
Absorbance (at 245 nm): ≤ 0.30
Absorbance (at 265 nm): ≤ 0.10
Absorbance (at 275 nm): ≤ 0.05
Absorbance (from 310 nm): ≤ 0.01

Legal Information

UVASOL is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety & Documentation

Safety Information

Protocols & Articles

Articles

Solvents for Spectroscopy Uvasol®

Best Optical and Chemical Purity for Reliable Spectroscopy Results In spectroscopy applications, accurate analytic results depend on the use of very pure solvents for sample preparation. Uvasol® solv...
Keywords: Evaporation, Infrared spectroscopy, Purification, Sample preparations, Solvents, Spectroscopy

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