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108418 Titriplex III, for analysis (EDTA disodium salt), Merck

108418 Merck

Titriplex III (Ethylenediaminetetraacetic acid disodium salt dihydrate) is a high-purity chelating agent and volumetric standard. It is widely used in analytical chemistry for complexometric titrations and in biochemistry to inhibit metalloproteases by sequestering divalent cations.

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Titriplex III (1.08418) is an analytical-grade reagent that complies with ACS, ISO, and European Pharmacopoeia (Reag. Ph Eur) standards. A4s a dihydrate disodium salt, it offers superior water solubility compared to free EDTA acid. I5t serves as a universal chelator for divalent metal ions, making it indispensable for determining water hardness and metal concentrations. In life sciences, it is used to stabilize sensitive molecules and inhibit enzymes that require metal cofactors for activity.This product is part of the Titripur® line, ensuring high precision and traceability for volumetric analysis.

Advantages

  • Multi-Standard Compliance: Certified according to ACS, ISO, and Reag. Ph Eur specifications.
  • High Solubility: The disodium salt dihydrate form ensures rapid and complete dissolution in aqueous media.
  • Versatile Application: Ideal for complexometric titrations, buffer preparation, and enzymatic inhibition.
  • Superior Stability: Produced using high-quality raw materials to ensure consistent batch-to-batch performance.
  • Traceability: Part of the Titripur® range, providing reliable results for regulated laboratory environments.

Technical specifications

Catalogue number 1.08418
Product name Titriplex® III (EDTA disodium salt dihydrate)
Brand Supelco® / Merck / Titripur®
CAS number 6381-92-6
Assay 99.0 – 101.0 %
Molecular weight 372.24 g/mol
pH Value 4.0 – 5.0 
Solubility 100 g/L in water (20 °C)
Storage temperature +15 °C to +25 °C
Quality level MQ200

Available packaging options

Catalogue Number Pack Size / Container
1.08418.0100 100 g (Plastic bottle)
1.08418.0250 250 g (Plastic bottle)
1.08418.1000 1 kg (Plastic bottle)
1.08418.5000 5 kg (Plastic bottle)
1.08418.9025 25 kg (Fibre carton)
Brand Merck