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103992 Fluorescein sodium (C.I. 45350)

Overview

Replacement Information

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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 Code3212 90 00
      Structure formula ImageStructure formula Image
      Quality LevelMQ100
      Applications
      Biological Information
      Physicochemical Information
      Density0.78 g/cm3 (699.7 hPa, 29.6 °C)
      Flash point217.6 °C
      Melting Point313 - 317 °C
      pH value8.36 (H₂O, 32 °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 class11 Combustible Solids
      WGKWGK 1 slightly hazardous to water
      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 +2°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 %

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