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Potassium Sodium Tartrate, Tetrahydrate, USP
Potassium Sodium Tartrate, Tetrahydrate, USP
Product Code: PST3921

Potassium Sodium Tartrate, Tetrahydrate, Granular, USP grade, is alaso known as Seignette’s salt or Rochelle salt. Crystals of this product exhibit piezoelectricity. It is an ingredient of Fehling’s solution, formerly used in the determination of reducing sugars in solutions. It is a common precipitant in protein crystallography and is also an ingredient in the Biuret reagent which is used to measure protein concentration.
Certificate Of Analysis (COA) is available at no charge for orders of one or more 55-lb bags.

Item Specifications Price Availability Qty Order
100 grams, (3 ounces) $13.00 Yes
450 grams, (1 Lb.) $38.00 Yes

Additional Description


CAS No.: 6381-59-5
Chemical Formula: C4H4KNaO6.4H2O
ASSAY: Min. 99.0%, Max. 102.0%, Typical: 99.7%
Heavy Metals: <0.001%
Grade: USP
Formula Weight: 283.22
Specific Gravity: 1.79
Melting Point: 75șC
Appearance: Clear-White granular crystals
Only for manufacturing, processing, repackaging or research purpose by by experienced personnel.

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