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01934 Supelco

Dimethyl sulfoxide

for inorganic trace analysis, ≥99.99995% (metals basis)

Synonym: DMSO

  • CAS Number 67-68-5

  • Linear Formula (CH3)2SO

  • Molecular Weight 78.13

  •  Beilstein/REAXYS Number 506008

  •  EC Number 200-664-3

  •  MDL number MFCD00002089

  •  PubChem Substance ID 329747375

  •  NACRES NA.24

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Atomic Absorption Spectroscopy (AAS), Digestion Reagents, High Purity Reagents for Trace Analysis,
Quality Level   100
grade   for inorganic trace analysis
vapor density   2.7 (vs air)
  2.7 (vs air)
vapor pressure   0.42 mmHg ( 20 °C)
  0.42 mmHg
assay   ≥99.9% (GC)
  ≥99.99995% (metals basis)
autoignition temp.   573 °F
expl. lim.   42 %, 63 °F
  42 %
color   colorless
refractive index   n20/D 1.479 (lit.)
bp   189 °C (lit.)
  189 °C
mp   16-19 °C (lit.)
  16-19 °C
solubility   H2O: miscible (completely)
density   1.099-1.101 g/mL at 20 °C
  1.10 g/mL (lit.)
cation traces   Ag: ≤0.5 μg/kg
  Al: ≤1 μg/kg
  As: ≤0.01 mg/kg
  Au: ≤0.5 μg/kg
  Be: ≤0.5 μg/kg
  Bi: ≤0.5 μg/kg
  Ca: ≤20 μg/kg
  Cd: ≤0.5 μg/kg
  Ce: ≤0.5 μg/kg
  Co: ≤0.5 μg/kg
  Cr: ≤5 μg/kg
  Cs: ≤0.5 μg/kg
  Cu: ≤5 μg/kg
  Fe: ≤20 μg/kg
  Ga: ≤0.5 μg/kg
  Ge: ≤0.5 μg/kg
  Hg: ≤5 μg/kg
  In: ≤10 μg/kg
  Ir: ≤0.5 μg/kg
  K: ≤10 μg/kg
  Li: ≤0.5 μg/kg
  Mg: ≤10 μg/kg
  Mn: ≤5 μg/kg
  Mo: ≤0.5 μg/kg
  Na: ≤50 μg/kg
  Ni: ≤5 μg/kg
  Os: ≤1 μg/kg
  Pb: ≤0.5 μg/kg
  Pd: ≤0.5 μg/kg
  Pt: ≤0.5 μg/kg
  Rb: ≤0.5 μg/kg
  Rh: ≤0.5 μg/kg
  Ru: ≤0.5 μg/kg
  Sb: ≤0.5 μg/kg
  Se: ≤0.01 mg/kg
  Sn: ≤0.5 μg/kg
  Sr: ≤0.5 μg/kg
  Ti: ≤5 μg/kg
  Tl: ≤0.5 μg/kg
  U: ≤0.5 μg/kg
  V: ≤0.5 μg/kg
  Zn: ≤5 μg/kg
  Zr: ≤0.5 μg/kg
SMILES string   CS(C)=O
InChI   1S/C2H6OS/c1-4(2)3/h1-2H3
InChI key   IAZDPXIOMUYVGZ-UHFFFAOYSA-N

Description

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.

Other Notes

For information on dimethyl sulfoxide miscibility, please visit the following link:
Dimethyl Sulfoxide Miscibility/Immiscibility Table

Safety & Documentation

Safety Information

WGK Germany 
WGK 1
RTECS 
PV6210000
Flash Point(F) 
188.6 °F - closed cup
Flash Point(C) 
87 °C - closed cup
Protocols & Articles
Peer-Reviewed Papers
15

References

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