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General Purpose Solvents

1,4-DIOXANE GC Reference Standard

RA003791 CAS 123-91-1

Identity

Product code
RA003791
CAS number
123-91-1
Molecular formula
C4H8O2
Molecular weight
88.11

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Liquid —
Initial boiling point [°C] 100 °C °C
Final boiling point [°C] 102 °C °C
Evaporation rate 2.7 —
Vapour pressure [20°C] 36 hPa hPa
Vapour density 3.03 —
Density [g/cm3] 1.03 g/cm3 g/cm3
Relative density, gas (air=1) 3.04 —
Explosion limits - upper [%] 22 % %
Explosion limits -lower [%] 2 % %
Colour Clear colorless —
Odour Faint ether-like odor —
pH value 6 - 8 —
Melting point/ Freezing point [°C] 10 - 12 °C °C
Auto-ignition temperature [°C] 180 °C °C
Flammability (solid, gas) Flammable —
Flash point [°C] 12 °C °C
Boiling point [°C] 100 - 102 °C °C

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecificationUnit Method
Appearance A clear colourless liquid — —
Traceablility Traceable to USP Reference standard — —
Purity Min 99.5 % % GC
Potency Reported on COA — —
Identification Passes test — IR
Identification (1H NMR method) Conform to Structure — —
Identification (GC-MS method) Passes test — —
Water Max 0.05 % % KF
Residue on evaporation Max 0.005 % % —
Colour scale Max 10 APHA APHA —

Method names in parentheses (for example "GC method") identify the analytical technique applied to that parameter; they are not product grades.

Packaging

Pack size SKU
20 mL RA003791-PK-20ML
100 mL RA003791-PK-100ML