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103992 Fluorescein sodium (C.I. 45350)

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1039921000
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      Description
      Catalogue Number103992
      Product Information
      CAS number518-47-8
      EC number208-253-0
      Hill FormulaC₂₀H₁₀Na₂O₅
      Molar Mass376.27 g/mol
      HS Code3212 90 90
      Structure formula ImageStructure formula Image
      Quality LevelMQ100
      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
      Toxicological Information
      LD 50 oralLD50 Tikus 6720 mg/kg
      Safety Information according to GHS
      RTECSLM5425000
      Storage class10 - 13 Cairan dan padatan lain
      WGKWGK 1 agak berbahaya untuk air
      Disposal3
      Reagen organik yang relatif tidak aktif harus dikumpulkan dalam kategori A. Jika terhalogenasi, harus ditempatkan dalam Kategori B. Untuk residu padat gunakan Kategori C.
      Storage and Shipping Information
      StorageSimpan pada +2°C hingga +30°C.
      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 %
      Global Trade Item Number
      Catalogue Number GTIN
      1039921000 04022536045917