di-Sodium L(+)-tartrate dihydrate ≥99%, GPR RECTAPUR®, 500g

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    Specifications:
    Application Analytical Chemistry
    Storage Temperature Ambient
    Product Type Laboratory Chemical Forms Powder
    Product Brand VWR
    Product Grade Analytical grade Formula NaOOC(CHOH)₂COONa·2H₂O

    VWR® di-Sodium L(+)-tartrate dihydrate (≥99%) is a high-purity crystalline salt supplied under the GPR RECTAPUR® grade, ensuring excellent quality for general laboratory and industrial use. It is the sodium salt of tartaric acid and is widely used in analytical chemistry, buffer preparation, food analysis, and electroplating applications.

    Due to its strong chelating properties and reducing action, sodium tartrate is also employed in Fehling’s solution as a reagent for the detection of reducing sugars. Its controlled impurity levels (arsenic ≤2 ppm, heavy metals ≤10–100 ppm) make it a reliable reagent for research and routine testing.

    Key Features

    • High Purity: Assay ≥99% (anhydrous basis).
    • Analytical Grade: GPR RECTAPUR® standard for laboratory reliability.
    • Controlled Impurities: Very low levels of heavy metals, chloride, oxalate, and sulfate.
    • Reagent Use: Common component in Fehling’s solution and other analytical tests.
    • Stable Solid: Supplied as crystalline dihydrate with long shelf life.
    • Versatile Applications: Suitable for chemistry, electroplating, and food analysis.

    Applications

    • Analytical Chemistry: Used in Fehling’s and other classical reagents for reducing sugar determination.
    • Food and Beverage Testing: Analytical control of sugars and organic compounds.
    • Buffer Preparation: Component in laboratory buffer systems.
    • Electroplating & Metal Treatment: Complexing agent in electrochemical baths.
    • General Laboratory Use: Chelating agent, reagent, and stabilizer.

    Specifications

    PropertyDetails
    Purity (Assay, anhydrous basis)≥99%
    CAS Number6106-24-7
    Molecular FormulaNaOOC(CHOH)₂COONa·2H₂O
    Molecular Weight230.08 g/mol
    AppearanceWhite crystalline solid
    Melting Point57 °C
    Density1.818 g/cm³ (20 °C)
    Loss on Drying (150 °C)≤17.0%
    Oxalate (C₂O₄²⁻)≤0.05%
    Chloride (Cl⁻)≤50 ppm
    Arsenic (As)≤2 ppm
    Copper (Cu)≤10 ppm
    Iron (Fe)≤100 ppm
    Lead (Pb)≤10 ppm
    Zinc (Zn)≤10 ppm
    Storage TemperatureAmbient
    Merck Index12,08833

    Packaging & Ordering Information

    Catalog NumberDescriptionPack SizeContainer
    28174.260VWR® di-Sodium L(+)-tartrate dihydrate ≥99%, GPR RECTAPUR®500 gPlastic bottle


    VWR® di-Sodium L(+)-tartrate dihydrate ≥99% (GPR RECTAPUR®) is a high-quality analytical reagent for use in sugar analysis, food chemistry, buffer systems, and electrochemical processes. Its high purity, low impurity profile, and consistent performance make it a dependable choice for both routine laboratory analyses and industrial applications.

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