Dimensioni confezioni (2)
Dati tecnici
- 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
