472301

Dimethyl sulfoxide

ACS reagent, ≥99.9%

• Synonym(s): DMSO
• Linear Formula: (CH₃)₂SO
• CAS Number: 67-68-5
• Molecular Weight: 78.13
• UNSPSC Code: 12191502
• NACRES: NA.21
• PubChem Substance ID: 329757302
• EC Number: 200-664-3
• Beilstein/REAXYS Number: 506008
• MDL number: MFCD00002089
• Grade: ACS reagent
• Assay: ≥99.9%
• Bp: 189 °C (lit.)
• Vapor pressure: 0.42 mmHg ( 20 °C)

Properties

• Product Name: Dimethyl sulfoxide, ACS reagent, ≥99.9%
• InChI key: IAZDPXIOMUYVGZ-UHFFFAOYSA-N
• InChI: 1S/C2H6OS/c1-4(2)3/h1-2H3
• SMILES string: CS(C)=O
• grade: ACS reagent
• vapor density: 2.7 (vs air)
• vapor pressure: 0.42 mmHg ( 20 °C)
• assay: ≥99.9%
• form: liquid
• autoignition temp.: 573 °F
• expl. lim.: 42 %, 63 °F
• dilution: (for analytical testing)
• impurities: ≤0.001 meq/g Titr. acid; ≤0.1% water
• evapn. residue: ≤0.01%
• color: clear colorless
• refractive index: n20/D 1.479 (lit.)
• bp: 189 °C (lit.)
• mp: 16-19 °C (lit.)
• density: 1.10 g/mL (lit.)
• Quality Level: 200

Description

Application

Dimethyl sulfoxide (DMSO) has been used:

• in the preparation of ethyl 4-[¹⁸F]fluorobenzoate.
• in the culture medium for 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-tetrazolium bromide (MTT) assay.
• as a solvent in chemical synthesis.
• to dissolve and prepare stock solutions of small molecules, drugs, and chemical compounds for various assays and experiments.

Disclaimer

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 is an organosulfur, commonly used as a polar solvent that can dissolve a wide range of polar and non-polar compounds. It is also utilized as a reaction reagent in several well-known processes, including swern oxidation, 2a pfitzner-moffatt oxidation, 2b, and the corey-chaykovsky reaction.

Our premium ACS solvents are ideal for routine chemical synthesis, drying, purification, and critical labware cleaning. They meet or exceed the rigorous standards of the American Chemical Society (ACS), ensuring high-quality results for your research needs.

Premium ACS Solvents: Our solvents meet or exceed the stringent standards set by the American Chemical Society, ensuring high quality and reliability for your laboratory applications.

Replicable and Publishable Results: Designed for consistency, our solvents deliver results that can be reliably reproduced, making them ideal for research that requires publication.

Versatile Applications: Suitable for routine chemical synthesis, drying, purification, and critical labware cleaning, our solvents cater to a wide range of research needs in the laboratory.

Other Notes

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For information on dimethyl sulfoxide miscibility, please visit the following link:
Dimethyl Sulfoxide Miscibility/Immiscibility Table

Safety Information

• Storage Class: 10 - Combustible liquids
• wgk: WGK 1
• flash_point_f: 188.6 °F - closed cup
• flash_point_c: 87 °C - closed cup