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900640 Sigma-Aldrich

1,4-Dioxane

anhydrous, ZerO2®, 99.8%

Synonym: 1,4-Dioxane ZerO2®, Degassed and low oxygen 1,4-dioxane, 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

  •  NACRES NA.21

Purchase

Properties

Quality Level   100
grade   ZerO2®
vapor density   3 (vs air)
vapor pressure   27 mmHg ( 20 °C)
  40 mmHg ( 25 °C)
assay   99.8%
autoignition temp.   356 °F
quality   anhydrous
expl. lim.   22 %
impurities   ≤0.003% water
water
refractive index   n20/D 1.422 (lit.)
bp   100-102 °C (lit.)
mp   10-12 °C (lit.)
density   1.034 g/mL at 25 °C (lit.)
SMILES string   C1COCCO1
InChI   1S/C4H8O2/c1-2-6-4-3-5-1/h1-4H2
InChI key   RYHBNJHYFVUHQT-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.

Legal Information

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

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Target organs 
Respiratory system
Supplemental Hazard Statements 
EUH019 - EUH066
RIDADR 
UN1165 - class 3 - PG 2 - Dioxane
WGK Germany 
WGK 2
RTECS 
JG8225000
Flash Point(F) 
53.6 °F - closed cup
Flash Point(C) 
12 °C - closed cup
Protocols & Articles
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