Dimethyl sulfoxide Puriss. p.a., ACS Reagent, =99.9% (GC)

Name: Dimethyl sulfoxide
Synonymn: DMSO
Description: Puriss. p.a., ACS Reagent, ≥99.9% (GC)

Container Type: Plastic Bottle

Molar Mass: 78.13 g/mol

Empirical Formula: C₂H₆OS
Linear Formula: (CH₃)₂SO

CAS Number: 67-68-5
Bielstein Registry Number: 506008
EC Number: 200-664-3
MDL Number: MFCD00002089
RTECS Number: PV6210000
UNSPSC Code: 12191602

SPECIFICATIONS

Appearance: complying
Identity (NMR): complying
Assay (GC): min. 99.9 %
Refractive index (n 20/D): 1.478 - 1.480
Congealing - Freezing Point: 17.5 - 20.4 °C
Non-volatile matter: max. 0.005 %
Water (Karl Fischer): max. 0.1 %
Acid (by titration): max. 0.001 meq/g
Free acid (as CH₃COOH): max. 0.001 %
Aluminium (Al): max. 0.5 ppm
Barium (Ba): max. 0.1 ppm
Bismuth (Bi): max. 0.1 ppm
Calcium (Ca): max. 0.5 ppm
Cadmium (Cd): max. 0.05 ppm
Cobalt (Co): max. 0.02 ppm
Chromium (Cr): max. 0.02 ppm
Copper (Cu): max. 0.02 ppm
Iron (Fe): max. 0.5 ppm
Potassium (K): max. 0.5 ppm
Lithium (Li): max. 0.1 ppm
Magnesium (Mg): max. 0.1 ppm
Manganese (Mn): max. 0.02 ppm
Molybdenum (Mo): max. 0.1 ppm
Sodium (Na): max. 1 ppm
Nickel (Ni): max. 0.5 ppm
Lead (Pb): max. 0.1 ppm
Strontium (Sr): max. 0.1 ppm
Zinc (Zn): max. 0.1 ppm



PHYSICAL PROPERTIES

Refractive Index: n20/D 1.479
Refractive Index: n20/D 1.479(lit.)
Vapor Density: 2.7 (vs air)
Boiling Point: 189 °C
Freezing Point: 18.5 °C
Density: 1.104 g/cm3



SAFETY INFORMATION

Flashpoint: 87 °C

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