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General Purpose Solvents

Dimethyl Sulphoxide For Synthesis

RA000239 CAS 67-68-5 For Synthesis

Identity

Product code
RA000239
CAS number
67-68-5
Grade
For Synthesis
Purity
99%
Molecular formula
C2H6OS
Molecular weight
78.13

Classification

Applications
Organic Synthesis

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Liquid —
Vapour density 2.7 —
Density [g/cm3] 1.1 g/cm3 g/cm3
Solubility in water [% weight] Completely miscible —
Partition coefficient Log Pow octanol / water at 20°C -2.03 —
Explosion limits - upper [%] 42 % %
Explosion limits -lower [%] 3.50 % %
Colour Clear Colorless —
Odour Garlic-like odor —
Melting point/ Freezing point [°C] 16 - 19 °C °C
Auto-ignition temperature [°C] 215 °C °C
Flash point [°C] 87 °C °C
Boiling point [°C] 189 °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 colorless liquid — —
Purity Min 99.0 % % GC
Weight/ mL (20 °C) 1.099 - 1.101 g g —
Water Max 0.2 % % —

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
25 L RA000239-PK-25L
500 mL RA000239-PK-500ML
2.5 L RA000239-PK-2.5L