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103992 | Fluorescein sodium (C.I. 45350)

103992
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      Overview

      Replacement Information

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      Catalogue NumberAvailability Packaging Qty/Pack Price Quantity
      1039921000
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          Metal can 1 kg
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          Description
          Catalogue Number103992
          References
          Product Information
          CAS number518-47-8
          EC number208-253-0
          Hill FormulaC₂₀H₁₀Na₂O₅
          Molar Mass376.27 g/mol
          HS Code3204 12 00
          Structure formula Image
          Applications
          ApplicationFluorescein sodium (C.I. 45350) extra pure. CAS 518-47-8, pH 8.3 (10 g/l, H₂O, 20 °C). MSDS and product info below.
          Biological Information
          Physicochemical Information
          Melting Point>300 °C
          pH value8.3 (10 g/l, H₂O, 20 °C)
          Bulk density600 kg/m3
          Solubility500 g/l
          Dimensions
          Materials Information
          Toxicological Information
          LD 50 oralLD50 Rat 6720 mg/kg
          Safety Information according to GHS
          RTECSLM5425000
          Storage class10 - 13 Other liquids and solids
          WGKWGK 1 slightly water endangering
          Disposal3
          Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
          Safety Information
          Product Usage Statements
          Storage and Shipping Information
          StorageStore at +5°C to +30°C.
          Packaging Information
          Transport Information
          Supplemental Information
          Specifications
          Assay (gravimetrically; calc. on dried substance)≥ 98 %
          Identity (UV/VIS-Spectrum)passes test
          Identity (IR-spectrum)passes test
          pH (20 g/l, water)7.0 - 9.0
          Absorption maximum λmax. (buffer pH 8.0)490 - 492 nm
          Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; buffer pH 8.0; calc. on dried substance)≥ 1950
          As (Arsenic)≤ 0.0002 %
          Cd (Cadmium)≤ 0.001 %
          Cu (Copper)≤ 0.01 %
          Pb (Lead)≤ 0.002 %
          Zn (Zinc)≤ 0.01 %
          Acriflavinepasses test
          TLC-Testpasses test
          Loss on drying (110 °C)≤ 10 %