Substance
ID:369359
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
Registration numbers
CAS Number
EC Number
MDL Number
Beilstein Number
PubChem SID
Properties
Product Information
Cation Traces
Ca: ≤0.5 mg/kg
Mg: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Co: ≤0.02 mg/kg
Bi: ≤0.1 mg/kg
K: ≤0.5 mg/kg
Na: ≤1 mg/kg
Al: ≤0.5 mg/kg
Cd: ≤0.05 mg/kg
Mo: ≤0.1 mg/kg
Pb: ≤0.1 mg/kg
Cu: ≤0.02 mg/kg
Ni: ≤0.5 mg/kg
Li: ≤0.1 mg/kg
Ba: ≤0.1 mg/kg
Cr: ≤0.02 mg/kg
Fe: ≤0.5 mg/kg
Sr: ≤0.1 mg/kg
Purity
≥99.9% (GC)
Grade
puriss. p.a.
Impurities
≤0.1% water
≤0.001% free acid (as CH3COOH)
Linear Formula
(CH3)2SO
Quality Level
PREMIUM
Evaporation Residue
≤0.005%
Physical Property
Melting Point
16-19 °C(lit.)
18-20 °C
Refractive Index
n20/D 1.479
n20/D 1.479(lit.)
Vapor Density
2.7 (vs air)
Flash Point
188.6 °F
87 °C
Density
1.10 g/mL(lit.)
Auto Ignition Point
573 °F
Boiling Point
189 °C(lit.)
Vapor Pressure
0.42 mmHg ( 20 °C)
Safety Information
German water hazard class
1
Explode Limits
42 %, 63 °F
MSDS Link
Personal Protective Equipment
Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
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.
Other Notes
Use as reagent in synthesis1
Supercools easily and remelts slowly at room temperature. Solidified product can be re-liquified by warming to room temperature without detriment to the product.
Other Notes
Use as reagent in synthesis1
Molecular Spectra
No Data Available
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References
No Data Available
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