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Dimethyl sulphoxide ≥99.8% for HPLC, Rankem®

Supplier: RANKEM

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Dimethyl sulphoxide ≥99.8% for HPLC, Rankem®
Dimethyl sulphoxide
High purity solvent providing stable baseline. Improved Specifications enabling better performance and clean chromatograms in the relevant elution range.

  • Batch-to-batch consistency
  • Chemically treated for removal of UV-absorbing, fluorescence -sensitive impurities
  • Controlled acidity/alkalinity and NVM

Description: A clear, colourless liquid
Filtered through 0.2 µ filters


Formula: (CH₃)₂SO
MW: 78.14 g/mol
Boiling Pt: 189
Melting Pt: 18.5
Flash Pt: 87
 MDL Number: MFCD00002089
CAS Number: 67-68-5
Merck Index: 13,03285
https://qa.digitalassets.avantorsciences.com/adaptivemedia/rendition?id=3ec1573e80c11ddf9254283ef76abf5fb6539c7e&vid=d0727d3220885f6adab5f099d9fd3b4de38d5710&prid=web&clid=SAPDAM
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Specification Test Results
Colour (APHA) ≤10
Guarantee Analysis .
Assay(GC) Min. 99.80%
Weight Per ml (at 20 °C) 1.099 --> 1.101 g
Refractive Index (at 20 °C) 1.478 --> 1.479
Identity (IR) Conforms
Maximum Limits Of Impurities .
Residue After Evaporation Max. 0.001%
Titrable Acid Max. 0.0002 meq/g
Titrable Base Max. 0.0002 meq/g
Water ( By KF) Max. 0.10%
UV Transmittance .
Wavelength .
270 nm Min. 35%
280 nm Min. 60%
300 nm Min. 80%
330 nm Min. 90%
From 350 nm Min. 98%

 

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