Dimethyl sulfoxide
SIAL/94563 - analytical standard
Synonym: DMSO
CAS Number: 67-68-5
Empirical Formula (Hill Notation): C2H6OS
Molecular Weight: 78.13
EC Number: 200-664-3
MDL Number: MFCD00002089
Linear Formula: (CH3)2SO
Product Type: Chemical
application(s) | cleaning products cosmetics environmental flavors and fragrances food and beverages personal care |
assay | ≥99.95% (GC) |
autoignition temp. | 573 °F |
bp | 189 °C (lit.) |
density | 1.10 g/mL (lit.) |
expl. lim. | 42 %, 63 °F |
format | neat |
grade | analytical standard |
InChI | 1S/C2H6OS/c1-4(2)3/h1-2H3 |
InChI key | IAZDPXIOMUYVGZ-UHFFFAOYSA |
mp | 16-19 °C (lit.) |
Quality Level | 100 ![]() |
refractive index | n |
n |
|
shelf life | limited shelf life, expiry date on the label |
SMILES string | CS(C)=O |
solubility | H2O: miscible (completely) |
technique(s) | gas chromatography (GC): suitable |
HPLC: suitable | |
vapor density | 2.7 (vs air) |
vapor pressure | 0.42 mmHg ( 20 °C) |
Application: | Dimethyl sulfoxide may be used as a molecular probe in the detection and analysis of hydroxyl radicals generated in advanced oxidation processes using high performance liquid chromatography(HPLC). |
Application: | DMSO may be used as an analytical standard for the determination of the analyte in environmental samples by gas chromatography (GC) technique. |
Application: | Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. |
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. |
General description: | Dimethyl Sulfoxide (DMSO) contains both highly polar and apolar groups, which impart it an amphipathic character. It can dissolve in both aqueous and organic solvents. It is a commonly used solvent in hydrophobic pharmaceutical agents, exhibiting effective hydroxyl radical scavenging ability. |
General description: | This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food. |
Other Notes: | For information on dimethyl sulfoxide miscibility, please visit the following link: Dimethyl Sulfoxide Miscibility/Immiscibility Table ![]() |
RIDADR | NA 1993 / PGIII |
WGK Germany | WGK 1 |
Flash Point(F) | 188.6 °F - closed cup |
Flash Point(C) | 87 °C - closed cup |
Purity | ≥99.95% (GC) |
bp | 189 °C (lit.) |
mp | 16-19 °C (lit.) |
Density | 1.10 g/mL (lit.) |
Refractive Index | n |
UNSPSC | 12191502 |