Substance

ID:371506

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
Linear Formula
(CH3)2SO
Grade
JIS special grade
Purity
≥99.0%
Physical Property
Boiling Point
189 °C(lit.)
Density
1.10 g/mL(lit.)
Melting Point
16-19 °C(lit.)
Refractive Index
n20/D 1.479(lit.)
Flash Point
188.6 °F
87 °C
Vapor Density
2.7 (vs air)
Vapor Pressure
0.42 mmHg ( 20 °C)
Auto Ignition Point
573 °F
Safety Information
German water hazard class
1
RTECS
PV6210000
Explode Limits
42 %, 63 °F
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.
Molecular Spectra
No Data Available
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References
No Data Available
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