Dimethyl sulphoxide ≥99.9%, clear, colourless liquid ACS

Supplier: MP Biomedicals

Synonyms: DMSOMethyl sulphoxide

ICNA0219141890EA 64.4 EUR
ICNA0219141890 ICNA0219141891 ICNA0219141880
Dimethyl sulphoxide ≥99.9%, clear, colourless liquid ACS
Dimethyl sulphoxide

Dimethyl sulfoxide is a dipolar, aprotic solvent. Has been shown to accelerate strand renaturation (1-10% concentration) and is believed to give the nucleic acid thermal stability against depurination.


  • Auto Ignition: 573 °F (Lit.)
  • Vapor Density: 2.7 (vs air) (lit.)
  • Vapor Pressure: 0.55 hPa at 20 °C
  • Refractive Index: n20/D 1.479(lit.)
  • Dielectric Constant: 45 (Lit.)


Dimethyl sulfoxide is used to enhance dermal absorption of many chemicals. A solvent for many organic and inorganic compounds including fats, carbohydrates, dyes, resins, and polymers. Used in antifreeze or hydraulic fluids. As a cryopreservative for cell cultures.Used in the oxidation of thiols and disulfides to sulfonic acids.Used as a PCR cosolvent to help improve yields, especially in long PCR.


Soluble in water, methanol, acetone, ether, benzene, chloroform.
Room Temperature, desiccate, store under nitrogen

Formula: (CH₃)₂SO
MW: 78,14 g/mol
Boiling Pt: 189 °C (lit.)
Melting Pt: 16…19 °C (lit.)
Density: 1,104 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00002089
CAS Number: 67-68-5
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Specification Test Results

Assay ≥99.9%
Residue after Evaporation ≤0.01%
Titratable Acid ≤0.001 meq/g
Water ≤0.1%

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