Substance

ID:354275

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
Properties
Product Information
Grade
purum
Purity
≥99.0% (GC)
Linear Formula
(CH3)2SO
Impurities
≤0.3% water
Physical Property
Vapor Pressure
0.42 mmHg ( 20 °C)
Flash Point
87 °C
188.6 °F
Melting Point
16-19 °C(lit.)
Auto Ignition Point
573 °F
Density
1.10 g/mL(lit.)
Boiling Point
189 °C(lit.)
Refractive Index
n20/D 1.479(lit.)
n20/D 1.479
Vapor Density
2.7 (vs air)
Safety Information
Explode Limits
42 %, 63 °F
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
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
Sales restrictions may apply
Molecular Spectra
No Data Available
Click here to submit data
References
No Data Available
Click here to submit data