Dimethylsulfoxid für UV, IR, HPLC, GPCDimethyl Sulfoxide for UV, IR, HPLC, GPCLaborbedarf,Lösungsmittel,Dimethylsulfoxid- CAS: 67-68-5
- HS 29309099
- Melting Point: 18.4 °C
- Boiling Point: 189 °C
- Density: 1.103 kg/l
- Refractive Index: 20/D 1.477
- Physical Description: liquid
- Specifications: Minimumassay(G.C.):99.9%
- Maximumlimit 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 ?m) and bottled under nitrogen atmosphere.
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