Substance
ID:369304
Names and Identifiers
IUPAC name
methanesulfinylmethane
IUPAC Traditional name
dimethyl sulfoxide
Synonyms
Methyl sulfoxideDMSO甲基亚砜二甲基亚砜Dimethyl sulfoxide
Properties
Product Information
Cation Traces
K: ≤0.5 mg/kg
Ca: ≤0.5 mg/kg
Li: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Sr: ≤0.1 mg/kg
Co: ≤0.02 mg/kg
Fe: ≤0.5 mg/kg
Bi: ≤0.1 mg/kg
Ni: ≤0.5 mg/kg
Zn: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Na: ≤1 mg/kg
Pb: ≤0.1 mg/kg
Al: ≤0.5 mg/kg
Cd: ≤0.05 mg/kg
Ba: ≤0.1 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.02 mg/kg
Mo: ≤0.1 mg/kg
Purity
≥99.5% (GC)
Evaporation Residue
≤0.005%
Linear Formula
(CH3)2SO
Impurities
≤0.1% water
≤0.001% free acid (as CH3COOH)
Grade
puriss. p.a.
Physical Property
Boiling Point
189 °C(lit.)
Vapor Density
2.7 (vs air)
Density
1.10 g/mL(lit.)
1.100 g/mL at 20 °C
Refractive Index
n20/D 1.479
n20/D 1.479(lit.)
Flash Point
87 °C
188.6 °F
Auto Ignition Point
573 °F
Vapor Pressure
0.42 mmHg ( 20 °C)
Melting Point
16-19 °C(lit.)
18-20 °C
Safety Information
Personal Protective Equipment
Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
German water hazard class
1
Explode Limits
42 %, 63 °F
MSDS Link
RTECS
PV6210000
Molecule Details
Caution
Supercools easily and remelts slowly at room temperature. Solidified product can be re-liquified by warming to room temperature without detriment to the product.
Supercools easily and remelts slowly at room temperature. Solidified product can be re-liquified by warming to room temperature without detriment to the product.
Molecular Spectra
No Data Available
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References
No Data Available
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