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HPLC Solvents

Dimethyl Sulphoxide For HPLC

RA000583 CAS 67-68-5 HPLC

Identity

Product code
RA000583
CAS number
67-68-5
Grade
HPLC
Purity
99.7%
Molecular formula
CH3SO.CH3
Molecular weight
78.13

Classification

Applications
HPLC

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 — —
Alkalinity Max 0.0002 meq/g meq/g —
Purity Min 99.7 % % GC
Non-volatile matter Max 0.002 % % —
Water Max 0.2 % % KF
UV transmittance from 270 nm Min 20.0 % % —
UV transmittance from 280 nm Min 50.0 % % —
UV transmittance Min 80.0 % % —
UV transmittance from 350 nm Min 98.0 % % —
Acidity Max 0.0005 meq/g meq/g —

Packaging

Pack size SKU
1 L RA000583-PK-1L