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GC Solvents

Dimethyl Sulphoxide GC

RA000585 CAS 67-68-5 GC

Identity

Product code
RA000585
CAS number
67-68-5
Grade
GC
Purity
99.9%
Molecular formula
C2H6OS
Molecular weight
78.13

Classification

Applications
GC

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Liquid —
Density [g/cm3] 1.1 g/cm3 g/cm3
Solubility in water Completely miscible —
Explosion limits - upper [%] 42.0 % %
Explosion limits -lower [%] 3.50 % %
Colour Clear colorless —
Odour Garlic like odour —
Melting point/ Freezing point [°C] 16.0 - 19.0 °C °C
Auto-ignition temperature [°C] 215.0 °C °C
Flash point [°C] 87.0 °C °C
Boiling point [°C] 189.0 °C °C
Evaporation rate 4.3 —
Vapour pressure [20°C] 0.55 hPa hPa

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

Specifications

ParameterSpecificationUnit Method
Appearance A clear colourless liquid — —
Purity Min 99.9 % % GC
Weight/ mL (20 °C) 1.099 - 1.101 g g —
Refractive index (20°C; 589 nm) (20 °C) 1.478 - 1.479 — —
Water Max 0.05 % % KF

9 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.

Packaging

Pack size SKU
250 mL RA000585-PK-250ML
1 L RA000585-PK-1L