DIMETHYL SULPHOXIDE
DIMETHYL SULPHOXIDE For UV Spectroscopy
Short Name: DIMETHYL SULPHOXIDE
Synonym: Methyl sulfoxide; DMSO; Sulfinylbis(methane); Dimethyl sulfoxide; Sulfinylbismethane
Basic Details
Article No.
LG100282
Grade
For UV Spectroscopy
Purity
99.8%
CAS No.
67-68-5
HS Code
2930.9099
Shelf Life
60 Months
Packings Avialable
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%
Chemical 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
Safety Information & Hazard Symbols