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Tiron

Tiron

Catalog Number:
IAR1108442DOJ
Mfr. No.:
T021-10
Price:
$250
  • Size:
    5 g
    Quantity:
    Add to Cart:
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      • Overview

        • Tiron is used as a metal indictor of Fe, and as a colorimetric reagent of Fe, Al, Ti, and other metal ions. Tiron is readily soluble in water as a colorless solution. The pKa2 is reported to be 12.6 (μ=0.1, 20°C). Tiron forms colored chelates with Fe, Ti, and other metal ions. The color of the Fe complex is blue at pH 1-4 (1:1, logK=20.4), purple at pH 5-7 (1:2, logK=15.1), and red at pH 7 or over (1:3, logK=10.8).

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      • Properties
        • Categories
          Ion Analysis
          Alternative Name
          1,2-Dihydroxy-3,5-benzenedisulfonic acid, disodium salt, monohydrate
          CAS Number
          270573-71-2
          Molecular Formula
          C6H4Na2O8S2, H2O
          Molecular Weight
          332.22
          Appearance
          White crystal or powder
          Purity
          ≥98.0% (Titration)
          Storage
          ambient temperature, protect from metal
          Shipping
          ambient temperature

          * For research use only

      • Reference

        • 1) G. F. Atkinson, et al., Oxidation of the Analytical Reagent Tiron (Disodium-4,5-Dihydroxybenzene-1,3-Disulphonate). Can J Chem. 1957;35:477-487.

          2) L. J. Clark, Titanium Determination with Disodium-1,2-Dihydroxybenzene-3,5-Disulfonate (Tiron) in Oxalic Acid Solution. Anal Chem. 1970;42:694-698.

    MSDS

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