Dimethyl sulfoxide ≥99%, liquid

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0219018680 0219018690 0219018691
IC19018680EA 96.89 USD
IC19018680 IC19018690 IC19018691
Dimethyl sulfoxide ≥99%, liquid
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. By heating the solid form to approximately 30 °C, the product can be melted without harming it's stability.


  • Auto Ignition: 573 °F
  • Vapor Pressure: 0.42 mmHg ( 20 °C) (Lit.)
  • Refractive Index: n20/D 1.479(lit.)
  • Dielectric Constant: 45


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 and 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.


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 and 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.


Caution: Store at Room Temperature (15-30 °C), desiccate.

Formula: (CH₃)₂SO
MW: 78.14 g/mol
Boiling Pt: 189 (lit.)
Melting Pt: 18.5 (lit.)
Density: 1.104 g/cm³ (20 °C) (lit.)
Flash Pt: 87
Storage Temperature: Ambient
MDL Number: MFCD00002089
CAS Number: 67-68-5
Merck Index: 13,03285
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Specification Test Results

Identity Test Passes
Purity >99%


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