Description
Dimethyl sulfoxide
for HPLC, ≥99.7%
Synonym: DMSO
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CAS Number 67-68-5
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Linear Formula (CH3)2SO
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Molecular Weight 78.13
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Beilstein Registry Number 506008
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EC Number 200-664-3
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MDL number MFCD00002089
Properties
grade | for HPLC |
vapor density | 2.7 (vs air) |
vapor pressure | 0.42 mmHg ( 20 °C) |
assay | ≥99.7% |
autoignition temp. | 573 °F |
expl. lim. | 42 %, 63 °F |
impurities | ≤0.002% non-volatile matter |
- | ≤0.2% water (Karl Fischer) |
transmittance | 270 nm, ≥20% |
- | 280 nm, ≥50% |
- | 300 nm, ≥80% |
- | 350 nm, ≥98% |
refractive index | n20/D 1.479(lit.) |
bp | 189 °C(lit.) |
mp | 16-19 °C(lit.) |
density | 1.10 g/mL(lit.) |