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42502 Sigma-Aldrich

1,4-Dioxane

for luminescence, ≥99.5%

Synonym: Diethylene oxide, Dioxane

  • CAS Number 123-91-1

  • Empirical Formula (Hill Notation) C4H8O2

  • Molecular Weight 88.11

  •  Beilstein/REAXYS Number 102551

  •  EC Number 204-661-8

  •  MDL number MFCD00006571

  •  PubChem Substance ID 24866605

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Properties

grade   for luminescence
vapor density   3 (vs air)
vapor pressure   27 mmHg ( 20 °C)
  40 mmHg ( 25 °C)
InChI Key   RYHBNJHYFVUHQT-UHFFFAOYSA-N
assay   ≥99.5% (GC)
  ≥99.5%
autoignition temp.   356 °F
expl. lim.   22 %
refractive index   n20/D 1.422 (lit.)
  n20/D 1.422
bp   100-102 °C (lit.)
mp   10-12 °C (lit.)
density   1.034 g/mL at 25 °C (lit.)
λ   1 cm path, H2O reference
UV absorption   λ: 225 nm Amax: 0.5
  λ: 240 nm Amax: 0.3
  λ: 250 nm Amax: 0.2
  λ: 260 nm Amax: 0.12
  λ: 270 nm Amax: 0.05
  λ: 290 nm Amax: 0.03
  λ: 310 nm Amax: 0.003
suitability   in accordance for luminescence
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
Supplemental Hazard Statements 
May form explosive peroxides., Repeated exposure may cause skin dryness or cracking.
RIDADR 
UN1165 - class 3 - PG 2 - Dioxane
WGK Germany 
2
RTECS 
JG8225000
Flash Point(F) 
53.6 °F
Flash Point(C) 
12 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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