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DIMETHYL SULPHOXIDE For UV Spectroscopy

Methyl sulfoxide; DMSO; Sulfinylbis(methane); Dimethyl sulfoxide; Sulfinylbismethane

COAs

Packings

500 ml (00500)

1000 ml (01000)

2500 ml (02500)

2500 ml (02500)

2GBA000500 2GBA001000 2GBAG02500 2GBAH02500
Print friendly version
Article No. 00125 Grade For UV Spectroscopy
Purity 99.8% CAS No. 67-68-5
Molecular Formula CH3SO.CH3 Molecular Weight 78.13
H.S. Code 2930.9099 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Liquid Colour Clear Colorless
Odour Garlic-like odor Melting point/ Freezing point [°C] 16 - 19 °C
Auto-ignition temperature [°C] 215°C Flash point [°C] 87 °C
Boiling point [°C] 189 °C Evaporation rate 4.3
Vapour pressure [20°C] 0.55 hPa at 20 °C Vapour density 2.7
Density [g/cm3] 1.1 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%

Specifications

Appearance A clear colorless liquid Purity (by GC) Min 99.8%
UV transmittance (1cm cell, ref: water): at 270 nm Min 10%
at 280 nm Min 40% at 310 nm Min 80%
at 350 nm Min 98% Water (H2O) Max 0.1%
Residue on evaporation Max 0.001% Acidity Max 0.0005 meq/g
Alkalinity Max 0.0002 meq/g
Revision Date: 23-Dec-2021

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