Dimethyl sulfoxide - 41641

Code: 41641
Dimethyl sulfoxide
for UV-spectroscopy, ≥99.8% (GC)
DMSO
≥99.8%, for UV-spectroscopy 
​
CAS Number: 67-68-5
Linear Formula: (CH3)2SO
Molar Mass: 78.13 g/mol
Beilstein Registry Number: 506008
EC Number: 200-664-3
MDL Number: MFCD00002089
Catalog Number Packaging Size Container type Price QTY Cart
41641-1L 1L GLASS BOTTLE Contact
41641-250ML 250ML GLASS BOTTLE Contact
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Specifications

Property Value
Assay (GC) min. 99.8 %
Refractive index (n 20/D) 1.478 - 1.480
Non-volatile matter max. 0.002 %
Water (Karl Fischer) max. 0.2 %
Absorbance at 360 nm max. 0.003
Absorbance at 340 nm max. 0.01
Absorbance at 320 nm max. 0.04
Absorbance at 300 nm max. 0.10
Absorbance at 290 nm max. 0.16
Absorbance 280 nm max. 0.22
Absorbance at 270 nm max. 0.4
Absorbance at 265 nm max. 0.8
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Physical Properties

Property Value
Vapor Density 2.7 (vs air)
Refractive Index n20/D 1.479
Explosion Limit 42 %, 63 °F
Vapor Pressure 0.42 mmHg ( 20 °C)
Autoignition Temperature 573 °F
Boiling point 189 °C
Freezing point 18.5 °C
Density 1.104 g/cm3
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Safety Information

Property Value
Flashpoint 87 °C
Signal Word Warning
Hazard Statement(s) H227
Precautionary Statement(s) P280