Substance
ID:369350
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
Physical Property
Vapor Density
2.7 (vs air)
Refractive Index
n20/D 1.479(lit.)
n20/D 1.479
Melting Point
16-19 °C(lit.)
Density
1.10 g/mL(lit.)
Boiling Point
189 °C(lit.)
Flash Point
188.6 °F
87 °C
Auto Ignition Point
573 °F
Vapor Pressure
0.42 mmHg ( 20 °C)
Safety Information
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
MSDS Link
RTECS
PV6210000
German water hazard class
1
Product Information
Linear Formula
(CH3)2SO
Purity
≥99.5% (GC)
Quality
over molecular sieve (H2O ≤0.005%)
Grade
absolute
puriss.
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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