276855 Sigma-Aldrich

Dimethyl sulfoxide

anhydrous, ≥99.9%

Synonym: DMSO, Methyl sulfoxide


Related Categories Anhydrous, Anhydrous Solvents, Dimethyl Sulfoxide (DMSO), Products, Returnable Containers,
grade   anhydrous
vapor density   2.7 (vs air)
vapor pressure   0.42 mmHg ( 20 °C)
assay   ≥99.9%
autoignition temp.   573 °F
expl. lim.   42 %, 63 °F
impurities   <0.005% water
evapn. residue   <0.0005%
refractive index   n20/D 1.479(lit.)
bp   189 °C(lit.)
mp   16-19 °C(lit.)
density   1.10 g/mL(lit.)


Frequently Asked Questions

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Supercools easily and remelts slowly at room temperature. Solidified product can be re-liquified by warming to room temperature without detriment to the product.

Other Notes

Pure-Pac® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.


1, 6×1, 2 L in Sure/Seal™

18 L in Pure-Pac™ 1

20 L in Pure-Pac™ 2

View returnable container options.

100, 12×100 mL in Sure/Seal™

200 L in Pure-Pac™ 1

Legal Information

Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC

Price and Availability

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