494429 Sigma-Aldrich

Dimethyl sulfoxide

biotech. grade, 99.8%

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Synonym: DMSO, Methyl sulfoxide

  • CAS Number 67-68-5

  • Linear Formula (CH3)2SO

  • Molecular Weight 78.13

  •  Beilstein Registry Number 506008

  •  EC Number 200-664-3

  •  MDL number MFCD00002089

  •  PubChem Substance ID 24872902

Properties

Related Categories Biotech, Biotech Solvents, Core Bioreagents, Dimethyl Sulfoxide (DMSO), General Reagents,
grade   biotech. grade
vapor density   2.7 (vs air)
vapor pressure   0.42 mmHg ( 20 °C)
assay   99.8%
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.)
λ   H2O reference
UV absorption   λ: 270 nm Amax: 1.00
  λ: 280 nm Amax: 0.30
  λ: 295 nm Amax: 0.10
  λ: 350-400 nm Amax: 0.01

Description

Frequently Asked Questions

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Caution

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

Packaging

2 L in Sure/Seal™

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Price and Availability

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