Dimethyl Sulfoxide for UV, IR, HPLC, GPC

Melting Point:

18.4 °C

Boiling Point:

189 °C

Density:

1.103 kg/l

Refractive Index:

20/D 1.477

Physical Description:

liquid

Product Code:

361954

Product Name:

Dimethyl Sulfoxide for UV, IR, HPLC, GPC

Quality Name:

for UV, IR, HPLC, GPC

Specifications:

Minimum assay (G.C.): 99.9%

Maximum limit of impurities
APHA colour: 10
Acidity: 0.0005 meq/g
Alkalinity: 0.0002 meq/g
Non-volatile matter: 0.001 %
Water (H2O): 0.05 %
Suitability for IR spectrometry:: passes test
Fluorescence at 365 nm (as quinine): 7 ppb
UV Spectrum (1cm cell; Ref.: water):
Transmittance at 265 (Cut off) nm: ≥10%
Transmittance at 270 nm: ≥30%
Transmittance at 280 nm: ≥63%
Transmittance at 290 nm: ≥70%
Transmittance at 310 nm: ≥80%
Transmittance at 330 nm: ≥94%
Transmittance at 350-450 nm: ≥98%
Data of interest in HPLC:
Rohrschneider Polarity: 7.2
Eluotropic value e° (Al2O3): 0.75
Sol. H2O in solv. at 20°C: miscible
For critical jobs, purge with nitrogen.
Microfiltered product (0.2 μm) and bottled under nitrogen atmosphere.

WGK:

1

Storage:

Storage away from direct light.

Master Name:

Dimethyl Sulphoxide

Synonyms Long Text:

DMSO, Methylsulphoxide, Sulphinylbismethane

EINECS:

200-664-3

CS:

2930 90 98 99

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