Dimethyl Sulfoxide DMSO ≥99.9% ACS Reagent

Dimethyl Sulfoxide (DMSO), ACS Reagent, ≥99.9% - 6x500mL

SKU: 472301-6X500ML
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For laboratory, institutional, and professional use only. Not available for residential or personal purchase. Orders are subject to verification.

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Dimethyl sulfoxide (DMSO), ACS reagent grade, ≥99.9%, is a high-purity polar aprotic solvent widely used in chemical synthesis, analytical testing, and biological research. Its strong solvating capability allows dissolution of both polar and nonpolar compounds, making it a versatile laboratory solvent.

This ACS-grade material meets or exceeds American Chemical Society specifications, supporting reproducible results in synthetic chemistry, reaction optimization, and analytical workflows. Low titratable acidity, controlled water content, and minimal residue ensure suitability for sensitive applications including reagent preparation and stock solution formulation.

Common uses include:

Organic synthesis and reaction media

Preparation of analytical standards and stock solutions

Dissolution of small molecules and pharmaceuticals

MTT and other cell-based assays

Laboratory cleaning and drying applications

Available in laboratory and bulk packaging for research through production-scale needs.

Chemical Name: Dimethyl sulfoxide
Synonyms: DMSO; Methyl sulfoxide; Dimethyl sulphoxide
CAS Number: 67-68-5
Molecular Formula: (CH₃)₂SO
Molecular Weight: 78.13 g/mol
Grade: ACS reagent
Assay: ≥99.9%
Form: Liquid
Quality Level: 200
Primary Uses: Organic synthesis, stock solution preparation, analytical testing, cell assays

SPECIFICATIONS

Dimethyl Sulfoxide (DMSO), ACS Reagent, ≥99.9%

Chemical Formula: (CH₃)₂SO

CAS Number: 67-68-5

Molecular Weight: 78.13 g/mol

Assay: ≥99.9%

Grade: ACS reagent

Form: Liquid

Quality Level: 200

Physical Properties

Density: 1.10 g/mL (lit.)

Vapor Pressure: 0.42 mmHg at 20 °C

Autoignition Temperature: 573 °F

Explosive Limit: 42% at 63 °F

Color: Clear, colorless

Chemical Identifiers

EC Number: 200-664-3

Beilstein/REAXYS Number: 506008

MDL Number: MFCD00002089

InChI: 1S/C2H6OS/c1-4(2)3/h1-2H3

InChI Key: IAZDPXIOMUYVGZ-UHFFFAOYSA-N

SMILES: CS(C)=O

Impurity Limits

Titratable Acid: ≤0.001 meq/g

Water: ≤0.1%

Evaporation Residue: ≤0.01%

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