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103887 | Fluorescein sodium (C.I. 45350)

103887
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      Overview

      Replacement Information

      Key Spec Table

      CAS #EC NumberHill FormulaMolar MassGrade Value
      518-47-8 208-253-0 C₂₀H₁₀Na₂O₅ 376.27 g/mol Reag. Ph Eur

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      1038870050
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          Glass bottle 50 g
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          1038870250
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              Glass bottle 250 g
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              Description
              Catalogue Number103887
              References
              Product Information
              CAS number518-47-8
              EC number208-253-0
              GradeReag. Ph Eur
              Hill FormulaC₂₀H₁₀Na₂O₅
              Molar Mass376.27 g/mol
              HS Code3204 12 00
              Structure formula Image
              Applications
              ApplicationFluorescein sodium (C.I. 45350) indicator Reag. Ph Eur. 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
              AppearanceRedishbrown powder, eventually with granular and bright parts.
              Identity
              - UV/VIS-Spectrum

              passes test
              - IR-spectrumpasses test
              Absorption maximum λ max (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)≥ 1850
              Loss on drying (110 °C)≤ 10 %
              Suitability as indicator (Adsorption indicator for argentometry)passes test