Dimethyl Sulfoxide (HPLC Grade), Fisher Chemical

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

IUPAC Name

methanesulfinylmethane

SMILES

CS(C)=O

Melting Point

18.4°C

Absorbance

0.01 AU max., 0.02 AU max. at 335nm, 0.02 AU max. at 330nm, 0.06 AU max. at 310nm, 0.1 AU max. at 300nm, 0.25 AU max. at 280nm, 0.2 AU max. at 290nm, 0.3 AU max. at 275nm, 0.4 AU max. at 270nm, 1.00 AU max. at 263nm

Color

Colorless

Decomposition Information

>190°C

Density

1.100g/cm³

Boiling Point

189°C

Quantity

4 L

Flash Point

87°C (188.6°F)

Identification

Pass Test

Packaging

Amber Glass

Physical Form

Liquid

Refractive Index

1.4770 to 1.4800 (at 25°C)

Residue after Evaporation

0.005% Max

Assay Percent Range

99.8% min by GC

Titratable Acid

0.001mEq/g max.

Linear Formula

(CH₃)₂SO

Vapor Pressure

0.55mbar at 20°C

Viscosity

1.98 mPa/s at 25°C

Water

0.01% max.

Formula Weight

78.13

Percent Purity

≥99.9%

Grade

Mobile phase for HPLC applications

Chemical Name or Material

Dimethyl Sulfoxide

Hazard Statement

WARNING!

Precautionary Statement

Emergency Overview
Combustible liquid. DMSO readily penetrates skin and may carry other dissolved chemicals into the body. Hygroscopic. Use personal protective equipment. Keep away from open flames, hot surfaces and sources of ignition. Ensure adequate ventilation. Wash off immediately with plenty of water for at least 15 minutes. Get medical attention immediately if symptoms occur. Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Obtain medical attention. Move to fresh air. If breathing is difficult, give oxygen. If breathing is difficult, give oxygen. Get medical attention immediately if symptoms occur.

NFPA

Health:2
Flammability:2
Instability:0

SDS

Hazard Statement

WARNING!

Precautionary Statement

Emergency Overview
Combustible liquid. DMSO readily penetrates skin and may carry other dissolved chemicals into the body. Hygroscopic. Use personal protective equipment. Keep away from open flames, hot surfaces and sources of ignition. Ensure adequate ventilation. Wash off immediately with plenty of water for at least 15 minutes. Get medical attention immediately if symptoms occur. Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Obtain medical attention. Move to fresh air. If breathing is difficult, give oxygen. If breathing is difficult, give oxygen. Get medical attention immediately if symptoms occur.

NFPA

Health:2
Flammability:2
Instability:0

SDS