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104907 | Potassium bromide

104907
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      Overview

      Replacement Information
      Replacement InformationIn North America 1.04907 replaces and is identical to PX1378

      Key Specifications Table

      CAS #EC NumberHill FormulaChemical FormulaMolar Mass
      7758-02-3 231-830-3 BrK KBr 119.00 g/mol

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      1049070100
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          Glass bottle 100 g
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          1049070500
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              Glass bottle 500 g
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              Description
              Catalogue Number104907
              ReplacesPX1378
              SynonymsHydrobromic Acid Potassium Salt
              OverviewPotassium 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.
              References
              Product Information
              CAS number7758-02-3
              EC number231-830-3
              Hill FormulaBrK
              Chemical formulaKBr
              Molar Mass119.00 g/mol
              HS Code2827 51 00
              Applications
              Biological Information
              Physicochemical Information
              Boiling point1435 °C (1013 hPa)
              Density2.75 g/cm3 (20 °C)
              Melting Point730 °C
              pH value5.5 - 8.5 (50 g/l, H₂O, 20 °C)
              Vapor pressure1.3 hPa (795 °C)
              Bulk density900 - 1000 kg/m3
              Solubility650 g/l
              Dimensions
              Materials Information
              Toxicological Information
              LD 50 oralLD50 Rat > 2000 mg/kg
              Safety Information according to GHS
              Hazard Pictogram(s)
              Hazard Statement(s)H319: Causes serious eye irritation.
              Precautionary Statement(s)P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
              RTECSTS7650000
              Storage class10 - 13 Other liquids and solids
              WGKWGK 1 slightly water endangering
              Disposal14
              Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).
              Safety Information
              Hazard Symbols Irritant
              Categories of dangerirritant
              R PhraseR 36
              Irritating to eyes.
              Product Usage Statements
              Storage and Shipping Information
              StorageStore at +5°C to +30°C.
              Packaging Information
              Transport Information
              Supplemental Information
              Specifications
              Application testpasses test
              Absorbance ( 2g pressed disk, 0.5 cm layer thickness) (Water; 3250-3750/1620-1640 cm⁻¹)≤ 0.15
              Absorbance ( 2g pressed disk, 0.5 cm layer thickness) (CH-compounds; 2750-3100 cm⁻¹)≤ 0.004
              Absorbance ( 2g pressed disk, 0.5 cm layer thickness) (other ; 420-4000 cm⁻¹)≤ 0.015