Substance
ID:354980
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
Purity
≥99.7%
≥99.7% (GC)
Impurities
≤1 ppm higher-boiling impurities
≤0.3% water
Linear Formula
(CH3)2SO
Grade
for residue analysis
Physical Property
Density
1.10 g/mL(lit.)
Melting Point
16-19 °C(lit.)
Flash Point
87 °C
188.6 °F
Auto Ignition Point
573 °F
Vapor Density
2.7 (vs air)
Boiling Point
189 °C(lit.)
Refractive Index
n20/D 1.479(lit.)
n20/D 1.479
Vapor Pressure
0.42 mmHg ( 20 °C)
Safety Information
Explode Limits
42 %, 63 °F
RTECS
PV6210000
German water hazard class
1
MSDS Link
Personal Protective Equipment
Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
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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