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Potassium Phosphate Dibasic or Dipotassium Phosphate or Dipotassium Hydrogen Phosphate
CAS Number: 7758-11-4

Molecular Formula: K2HPO4
Molecular Weight: 174

Potassium Phosphate Dibasic or Dipotassium Phosphate Suppliers
Potassium Phosphate Dibasic or Dipotassium Phosphate or Dipotassium Hydrogen Phosphate

Dibasic Potassium Phosphate USP Grade Specifications
Dipotassium Phosphate USP
Dibasic Potassium Phosphate USP
Potassium Phosphate Dibasic USP
K2HPO4 174.18
Phosphoric acid, dipotassium salt.
Dipotassium hydrogen phosphate CAS 7758-11-4

Dibasic Potassium Phosphate contains not less than 98.0 percent and not more than 100.5 percent of K2HPO4, calculated on the dried basis.

Identification: A solution (1 in 20) responds to the tests for Potassium and for Phosphate.
pH: between 8.5 and 9.6, in a solution (1 in 20).
Loss on drying: Dry it at 105 to constant weight: it loses not more than 1.0% of its weight.
Insoluble substances: Dissolve 10 g in 100 mL of hot water, filter through a tarred filtering crucible, wash the insoluble residue with hot water, and dry at 105C for 2 hours: the weight of the residue so obtained does not exceed 20 mg (0.2%).
Carbonate: To 1 g add 3 mL of water and 2 mL of 3 N hydrochloric acid: not more than a few bubbles are evolved.
Chloride: A 1.0-g portion shows no more chloride than corresponds to 0.40 mL of 0.020 N hydrochloric acid (0.03%).
Sulfate: A 0.20-g portion shows no more sulfate than corresponds to 0.20 mL of 0.020 N sulfuric acid (0.1%).
Arsenic: 3 ppm.
Iron: the limit is 0.003%.
Sodium: A solution (1 in 10) tested on a platinum wire imparts no pronounced yellow color to a non-luminous flame.
Heavy metals: the limit is 0.001%.
Limit of fluoride: The limit is 0.001%.
Limit of monobasic or tribasic salt: Dissolve 3 g in 30 mL of water, cool to 20C, and add 3 drops of thymol blue: a blue color is produced, which is changed to yellow (with a greenish tinge) by the addition of not more than 0.4 mL of 1 N hydrochloric acid.

Potassium Phosphate Dibasic FCC Food Grade Specifications
Dipotassium Monophosphate, Dipotassium Phosphate FCC Food Grade
Dibasic Potassium Phosphate FCC
K2HPO4 Formula weight 174.18
INS: 340(ii) CAS 7758-11-4

Potassium Phosphate, Dibasic, occurs as a colorless or white, granular salt that is deliquescent when exposed to moist air. One gram is soluble in about 3 mL of water. It is insoluble in alcohol. The pH of a 1% solution is about 9.
Function: Buffer; sequestrant; yeast food.

Identification: A 1:20 aqueous solution gives positive tests for Potassium and for Phosphate.
Assay: Not less than 98.0% of K2HPO4 after drying.
Arsenic: Not more than 3 mg/kg.
Fluoride: Not more than 10 mg/kg.
Insoluble Substances: Not more than 0.2%.
Lead: Not more than 2 mg/kg.
Loss on Drying: Not more than 2.0%.

Potassium Phosphate Dibasic Analytical Reagent Grade Specifications
Dibasic Potassium Phosphate
Dipotassium Phosphate
Dipotassium Hydrogen Phosphate
Formula Weight 174.18
CAS Number 7758-11-4

Assay: 98.0% K2HPO4
pH of a 5% solution: 8.5-9.6 at 25C

Insoluble matter: 0.01%
Loss on drying at 105C: 1.0%
Chloride (Cl): 0.003%
Nitrogen compounds (as N): 0.001%
Sulfate (SO4): 0.005%
Heavy metals (as Pb): 5 ppm
Iron (Fe): 0.001%
Sodium (Na): 0.05%.

We also supply Potassium Phosphate Dibasic or Dipotassium Phosphate or Dipotassium Hydrogen Phosphate BP Ph Eur Grade.

Please visit SDS Safety Data Sheet of Potassium Phosphate Dibasic or Dipotassium Phosphate or Dipotassium Hydrogen Phosphate Suppliers.

American Molecules, also known as 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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