Potassium bromide, Uvasol® for FT-IR spectroscopy, Supelco®

Supplier: MilliporeSigma
Warning

1.04907.0100 1.04907.0500 1.04907.0100 1.04907.0500
CA1.04907.0100CS 3650.43 CAD
EM1.04907.0500 CA1.04907.0100 EM1.04907.0100 CA1.04907.0500
Potassium bromide, Uvasol® for FT-IR spectroscopy, Supelco®
Potassium bromide

Potassium bromide is transparent from the near UV to long wave IR wavelengths. In IR-spectroscopy, solid samples which are difficult to melt or dissolve in any suitable IR-transmitting solvent, are analyzed by grinding with Potassium bromide powder, and pressing into a disc. This procedure has a high quality demand of the used potassium bromide. Potassium bromide Uvasol® is adjusted to a mean particle size of 150 μm. This is sufficient for the preparation of perfectly good pellets without the need for further pre-treatment and the associated risk of contamination. It also retains its powdery form over a period of years if stored in an air-tight condition. Its physical suitability for pelletising is checked by a special application test and its chemical purity established by full spectrum FT-IR analysis.

Formula: KBr
MW: 119 g/mol
Boiling Pt: 1435 °C (1013 hPa)
Melting Pt: 730 °C
Density: 2.75 g/cm³ (20 °C)
MDL Number: MFCD00011358
CAS Number: 7758-02-3
Merck Index: 13,07701

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Specification Test Results

Solubility 650 g/l (20 °C)
Melting Point 730 °C
Molar Mass 119.00 g/mol
Bulk Density 900 - 1000 kg/m3
Boiling Point 1435 °C
Vapor Pressure 1.3 hPa (795 °C)
Density 2.75 g/cm3 (20 °C)
pH 5.5 - 8.5 (50 g/l, H2O, 20 °C)

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