01934

Dimethyl sulfoxide

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

• Synonym(s): DMSO
• Linear Formula: (CH₃)₂SO
• CAS Number: 67-68-5
• Molecular Weight: 78.13
• Beilstein/REAXYS Number: 506008
• EC Number: 200-664-3
• MDL number: MFCD00002089
• UNSPSC Code: 41116105
• PubChem Substance ID: 329747375
• NACRES: NA.24

Properties

• grade: for inorganic trace analysis
• Quality Level: 100
• 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)
• form: liquid
• 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
• application(s): sample preparation
• InChI: 1S/C2H6OS/c1-4(2)3/h1-2H3
• InChI key: IAZDPXIOMUYVGZ-UHFFFAOYSA-N

Description

Application

• Enzymatic/chemical analysis of dietary fiber.: Focused on the analytical techniques for analyzing dietary fibers, which could be adapted for the analysis of complex organic matrices in the presence of DMSO ( Theander et al., 1994).


• Levans: I. Fractionation, solution viscosity, and chemical analysis of levan produced by Streptococcus salivarius.: This research details the fractionation and analysis of bacterial levan, which could inform studies involving the solubilization and analysis of similar polysaccharides in DMSO ( Ehrlich et al., 1975).

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 Information

• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 1
• flash_point_f: 188.6 °F - closed cup
• flash_point_c: 87 °C - closed cup