Dimethyl sulfoxide, anhydrous, 99.8+%, packaged under Argon in resealable ChemSeal™ bottles

Description

CAS: 67-68-5 | C2H6OS | 78.13 g/mol

Dimethyl sulfoxide is used as a solvent for chemical reactions involving salts, most notably in Finkelstein reactions and in other nucleophilic substitutions. DMSO is an effective pain relieving agent. Used in antifreeze or hydraulic fluids. Utilized in the oxidation of thiols and disulfides to sulfonic acids. Used to enhance dermal absorption of many chemicals.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 67-68-5
• Molecular Formula: C2H6OS
• Molecular Weight (g/mol): 78.13
• MDL Number: MFCD00002089
• InChI Key: IAZDPXIOMUYVGZ-UHFFFAOYSA-N
• Synonym: dimethyl sulfoxide, dmso, methyl sulfoxide, dimethylsulfoxide, dimethyl sulphoxide, methane, sulfinylbis, demsodrox, demasorb, demavet, dimexide
• PubChem CID: 679
• ChEBI: CHEBI:28262
• SMILES: CS(C)=O

• Melting Point: 18.4°C
• Color: Colorless
• Density: 1.101 g/cm³ at 20°C
• Boiling Point: 189°C
• Quantity: 100 mL
• Flash Point: 87°C (189°F)
• Ignition Point: 270°C (518°F)
• Odor: Mild
• Physical Form: Liquid
• Refractive Index: 1.479
• Assay Percent Range: >99.8%
• Vapor Pressure: 2mm Hg at 20°C
• Beilstein: 506008
• Solubility Information: Miscible with water,diethyl ether,ethanol,acetone,ether,carbon tetrachloride and ethyl acetate.
• IUPAC Name: methylsulfinylmethane
• Formula Weight: 78.13
• Chemical Name or Material: Dimethyl sulfoxide

Safety and Handling

Hazard Category	H227
Precautionary Statement	P210-P370+P378q-P501c
EINECSNumber	200-664-3
RTECSNumber	PV6210000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only