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76887 Sigma-Aldrich

1,4-Dioxane

analytical standard

Synonym: Diethylene oxide, Dioxane

  • CAS Number 123-91-1

  • Empirical Formula (Hill Notation) C4H8O2

  • Molecular Weight 88.11

  •  Beilstein Registry Number 102551

  •  EC Number 204-661-8

  •  MDL number MFCD00006571

  •  PubChem Substance ID 329767413

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Properties

Related Categories Additional Standards, Alpha Sort, Analytical Standards, Analytical/Chromatography, Chemical Class,
grade   analytical standard
vapor density   3 (vs air)
vapor pressure   27 mmHg ( 20 °C)
  40 mmHg ( 25 °C)
InChI Key   RYHBNJHYFVUHQT-UHFFFAOYSA-N
assay   ≥99.9% (GC)
form   neat
autoignition temp.   356 °F
shelf life   limited shelf life, expiry date on the label
expl. lim.   22 %
application(s)   HPLC: suitable
  gas chromatography (GC): suitable
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.)
format   neat

Description

Other Notes

Same product — same quality — now Sigma-Aldrich brand

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

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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

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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