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Potassium Sodium Tartrate
CAS Number: 6100-16-9 & 6381-59-5 Tetrahydrate, 304-59-6 Anhydrous

Molecular Formula: C4H4KNaO6-4H2O Tetrahydrate
Molecular Weight: 282.22 Tetrahydrate

Potassium Sodium Tartrate Suppliers
Potassium Sodium Tartrate

Potassium Sodium Tartrate USP Grade Specifications
C4H4KNaO6-4H2O -- 282.22
Monopotassium monosodium tartrate tetrahydrate CAS 6100-16-9, 6381-59-5
Anhydrous 210.16 CAS 304-59-6

Potassium Sodium Tartrate contains not less than 99.0 percent and not more than 102.0 percent of C4H4KNaO6, calculated on the anhydrous basis.

Identification:
A: Ignite it: it emits the odor of burning sugar and leaves a residue that is alkaline to litmus and that effervesces with acids.
B: To 10 mL of a solution (1 in 20) add 10 mL of 6 N acetic acid: a white, crystalline precipitate is formed within 15 minutes.
C: A solution (1 in 10) responds to the tests for Tartrate.
Alkalinity: A solution of 1.0 g in 20 mL of water is alkaline to litmus, but after the addition of 0.20 mL of 0.10 N sulfuric acid no pink color is produced by the addition of 1 drop of PhPh TS.
Water: between 21.0% and 27.0%.
Limit of ammonia: To pass the test
Heavy metals: 0.001%.


Sodium Potassium Tartrate FCC Food Grade Specifications
Potassium Sodium Tartrate, Rochelle Salt, Seignette Salt
KOOCCH(OH)CH(OH)COONa-4H2O
C4H4KNaO6-4H2O Formula weight 282.22
INS: 337 CAS 304-59-6

DESCRIPTION
Sodium Potassium Tartrate occurs as colorless crystals or as a white, crystalline powder. As it effloresces slightly in warm, dry air, the crystals are often coated with a white powder. It is a salt of L(+)-tartaric acid. One gram dissolves in 1 mL of water. It is practically insoluble in alcohol.

REQUIREMENTS
Identification:
A. Upon ignition, a sample emits the odor of burning sugar and leaves a residue that is alkaline to litmus and that effervesces with acids.
B. Add 10 mL of acetic acid to 10 mL of a 1:20 aqueous solution. A white, crystalline precipitate forms within 15 min.
C. A1:10 aqueous solution gives positive tests for Tartrate.
Assay: Not less than 99.0% and not more than 102.0% of C4H4KNaO6-4H2O after drying.
Alkalinity: Passes test.
Lead: Not more than 2 mg/kg.
Water: Between 21.0% and 26.0%.


Potassium Sodium Tartrate Tetrahydrate Analytical Reagent Grade Specifications
2,3-Dihydroxybutanedioic Acid, Potassium Sodium Salt, Tetrahydrate
KNaC4H4O6-4H2O
Formula Weight 282.22
CAS Number 6381-59-5

REQUIREMENTS
Assay: 99.0-102.0% KNaC4H4O6 . 4H2O
pH of a 5% solution: 6.0-8.5 at 25C

MAXIMUM ALLOWABLE
Insoluble matter: 0.005%
Chloride (Cl): 0.001%
Phosphate (PO4): 0.002%
Sulfate (SO4): 0.005%
Ammonium (NH4): 0.002%
Calcium (Ca): 0.005%
Heavy metals (as Pb): 5 ppm
Iron (Fe): 0.001%.

We also supply Potassium Sodium Tartrate of BP Ph Eur Grade.

Please visit SDS Safety Data Sheet of Potassium Sodium Tartrate Suppliers.

American Molecules, also known as ammol.org is a distributor, supplier and manufacturers' representative of all types of Pharmaceuticals, Functional Ingredients, Excipients and Specialty Chemicals in Texas USA. Our principals manufacture supply and export USP NF BP, Ph Eur, etc grades of chemicals pure and reagent grade, mineral fortifiers, FCC food grade. Tailor made particle size and customized specifications are offered. The principal's facility is having one or more of the certifications like FDA approval and GLP, cGMP, ISO9001, ISO14001, ISO/IEC 17025, ISO22000, FSSC 22000, ISO45001, FSSAI, Kosher, HALAL, COPP, WHO-GMP certified and Written Confirmation (WC) for export to Europe is available. The manufacturers suppliers and exporters observe WHO Good Manufacturing Practices and Good Laboratory Practices.

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