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78445 Sigma-Aldrich

Tetrahydrofuran

analytical standard

  • CAS Number 109-99-9

  • Empirical Formula (Hill Notation) C4H8O

  • Molecular Weight 72.11

  •  Beilstein Registry Number 102391

  •  EC Number 203-726-8

  •  MDL number MFCD00005356

  •  PubChem Substance ID 24887305

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Properties

Related Categories Additional Standards, Alpha Sort, Analytical Standards, Analytical/Chromatography, Chemical Class,
grade   analytical standard
vapor density   2.5 (vs air)
vapor pressure   114 mmHg ( 15 °C)
  143 mmHg ( 20 °C)
assay   ≥99.9% (GC)
form   neat
autoignition temp.   610 °F
shelf life   limited shelf life, expiry date on the label
contains   ~0.025% 2,6-di-tert.-butyl-4-methylphenol as stabilizer
expl. lim.   11.8 %
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.)
format   neat

Description

Other Notes

Same product — same quality — now Sigma-Aldrich brand

Price and Availability

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
Supplemental Hazard Statements 
May form explosive peroxides.
RIDADR 
UN 2056 3 / PGII
WGK Germany 
1
RTECS 
LU5950000
Flash Point(F) 
1.4 °F
Flash Point(C) 
-17 °C
Protocols & Articles

Articles

The Utility of Headspace Grade Solvents for the Analysis of Organic Volatile Impurities

Organic volatile impurities or “OVIs” sometimes remain behind in pharmaceutical preparations as a result of synthetic and manufacturing procedures. For reasons of health and safety, testing is done t...
Katherine Stenerson, Shyam Verma
Reporter US Volume 28.1
Keywords: Chromatography, Gas chromatography, Organic synthesis, Pharmaceutical, Solvents

Peer-Reviewed Papers
15

References

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