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900636 Sigma-Aldrich

Tetrahydrofuran

anhydrous, inhibitor-free, ZerO2®, ≥99.9%

Synonym: Butylene oxide, Degassed and low oxygen tetrahydrofuran, Oxolane, Tetrahydrofuran ZerO2®, Tetramethylene oxide

  • CAS Number 109-99-9

  • Empirical Formula (Hill Notation) C4H8O

  • Molecular Weight 72.11

  •  Beilstein/REAXYS Number 102391

  •  EC Number 203-726-8

  •  MDL number MFCD00005356

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Properties

Quality Level   100
grade   ZerO2®
vapor density   2.5 (vs air)
vapor pressure   114 mmHg ( 15 °C)
  143 mmHg ( 20 °C)
assay   ≥99.9%
autoignition temp.   610 °F
quality   anhydrous
expl. lim.   1.8-11.8 %
impurities   ≤0.002% water
water
refractive index   n20/D 1.407 (lit.)
bp   65-67 °C (lit.)
mp   −108 °C (lit.)
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

Description

Application

ZerO2 products are rigorously degassed with highly pure inert gas providing solvents and solutions (anhydrous if specified) with very low residual oxygen content.

Other Notes

Greener alternatives are available for many THF applications, 2-Methyltetrahydrofuran (900520)

Legal Information

ZerO2 is a registered trademark of Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Supplemental Hazard Statements 
EUH018 - EUH019
RIDADR 
UN 2056 3 / PGII
WGK Germany 
WGK 1
RTECS 
LU5950000
Flash Point(F) 
-6.2 °F - closed cup
Flash Point(C) 
-21.2 °C - closed cup
Protocols & Articles

Articles

AISF: A Stable, Solid Alternative to Sulfuryl Fluoride Gas

Fluorosulfates and sulfamoyl fluorides have applications ranging from chemical biology to polymer chemistry in addition to being valuable synthetic precursors to diaryl sulfates, sulfamides and sulfa...
Keywords: Chemical biology, Chromatography, Flash chromatography, Polymer science

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