Alfa Aesar™ Potassium sodium L-tartrate tetrahydrate, 99%

Manufacturer: Alfa Aesar™ A101630I

Quantity 5000g

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Catalog No. AAA101630I

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    Chemical Identifiers

    CAS 6381-59-5
    Molecular Formula C4H4KNaO6·4H2O
    Formula Weight 282.23g/mol (210.29g/mol Anhydrous)
    MDL Number MFCD00150989
    Beilstein 6113568
    Merck Index 14,7670
    Synonym Rochelle Salt; Sodium potassium L-tartrate tetrahydrate
    Chemical Name or Material Potassium sodium L-tartrate tetrahydrate

    Specifications

    Odor Odorless
    Melting Point 70° to 80°C
    pH 6.0 to 8.5
    Quantity 5000g
    Optical Rotation +21° (c=1 in water)
    CAS 6381-59-5
    Assay Percent Range 99%
    Molecular Formula C4H4KNaO6·4H2O
    Formula Weight 282.23g/mol (210.29g/mol Anhydrous)
    MDL Number MFCD00150989
    Beilstein 6113568
    Merck Index 14,7670
    Synonym Rochelle Salt; Sodium potassium L-tartrate tetrahydrate
    Solubility Information Soluble in water; Insoluble in alcohol
    TSCA TSCA
    Chemical Name or Material Potassium sodium L-tartrate tetrahydrate
    Assay 99%

    Description

    Applications
    Baking powder, medicine (cathartic), component of Fehling ft.s solution, silvering mirrors.Potassium sodium L-tartrate tetrahydrate is used in the process of silvering mirrors. It is active ingredient in the Fehiling’s solution and Nylander’s test involved in the determination of reducing sugars. It is utilized to break up emulsion in organic synthesis as well as a common precipitant in protein crystallography. As a Biuret reagent, it is used to measure the protein concentration. Furthermore, it is used as laxative and is also used in food industry.

    Solubility
    Soluble in water. Insoluble in alcohol

    Notes
    Loses water of crystallization at 140°. Unstable above 225°. Incompatible with strong oxidizing agents.

    SDS & Safety Documents

  • Description & Specifications
  • Safety and Handling

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