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Sodium Phosphate Monobasic or Monosodium Phosphate Monohydrate or Sodium Dihydrogen Phosphate Dihydrate, Anhydrous USP NF USP NF Reagent FCC Food Grade Supplier Exporter Manufacturers' Representative

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Sodium Phosphate Monobasic or Monosodium Phosphate or Sodium Dihydrogen Phosphate
CAS Number: 10049-21-5 Monohydrate, 3472-35-0 Dihydrate, 7558-80-7 Anhydrous

Molecular Formula: NaH2PO4 Anhydrous
Molecular Weight: 119.98 Anhydrous

Sodium Phosphate Monobasic or Monosodium Phosphate Suppliers
Sodium Phosphate Monobasic or Monosodium Phosphate

Specifications or Monobasic Sodium Phosphate USP NF
Monobasic Sodium Phosphate
(anhydrous) 119.98
Phosphoric acid, monosodium salt, monohydrate.
Monosodium phosphate monohydrate 137.99 CAS Number 10049-21-5
Phosphoric acid, monosodium salt, dihydrate
Monosodium phosphate dihydrate 156.01 CAS Number 13472-35-0
Anhydrous CAS Number 7558-80-7

Monobasic Sodium Phosphate contains one or two molecules of water of hydration, or is anhydrous. It contains not less than 98.0 percent and not more than 103.0 percent of NaH2PO4, calculated on the anhydrous basis.

Identification: A solution (1 in 20) responds to the tests for Sodium 191 and for Phosphate.
pH: between 4.1 and 4.5, in a solution containing the equivalent of 1.0 g of NaH2PO4·H2O in 20 mL of water.
Water: less than 2.0% (anhydrous form); between 10.0% and 15.0% (monohydrate); between 18.0% and 26.5% (dihydrate).
Insoluble substances: Dissolve a portion equivalent to 10.0 g of NaH2PO4·H2O in 100 mL of hot water, filter through a tarred filtering crucible, wash the insoluble residue with hot water, and dry at 105 for 2 hours: the weight of the residue so obtained does not exceed 20 mg (0.2%).
Chloride: A portion equivalent to 1.0 g of NaH2PO4·H2O shows no more chloride than corresponds to 0.20 mL of 0.020 N hydrochloric acid (0.014%).
Sulfate: A portion equivalent to 0.20 g of NaH2PO4·H2O shows no more sulfate than corresponds to 0.30 mL of 0.020 N sulfuric acid (0.15%).
Aluminum, calcium, and related elements: A solution containing the equivalent of 1.0 g of NaH2PO4·H2O in 10 mL of water does not become turbid when rendered slightly alkaline to litmus paper with 6 N ammonium hydroxide.
Arsenic: the limit is 8 ppm.
Heavy metals: the limit is 0.002%.

Sodium Phosphate Monobasic FCC Food Grade Specifications
Monosodium Phosphate; Sodium Biphosphate;
Monosodium Dihydrogen Phosphate
NaH2PO4 Formula weight, anhydrous 119.98
NaH2PO4·H2O Formula weight, monohydrate 137.99
INS: 339(i) CAS: anhydrous CAS Number 7558-80-7
CAS: monohydrate CAS Number 10049-21-5

Sodium Phosphate, Monobasic, is anhydrous or contains one or two molecules of water of hydration and is slightly hygroscopic. The anhydrous form occurs as a white, crystalline powder or granules. The hydrated forms occur as white or transparent crystals or granules. All forms are freely soluble in water, but are insoluble in alcohol. The pH of a 1:100 solution is between 4.1 and 4.7.
Function: Buffer; emulsifier; nutrient.

Identification: A 1:20 aqueous solution gives positive tests for Phosphate and for Sodium.
Assay: Not less than 98.0% and not more than 103.0% of NaH2:PO4 after drying.
Arsenic: Not more than 3 mg/kg.
Fluoride: Not more than 0.005%.
Insoluble Substances: Not more than 0.2%.
Lead: Not more than 4 mg/kg.
Loss on Drying Anhydrous: Not more than 2.0%; Monohydrate: Between 10.0% and 15.0%; Dihydrate: Between 20.0% and 25.0%.

Sodium Phosphate ACS Analytical Reagent Specifications
Sodium Phosphate, Monobasic, Monohydrate
Sodium Dihydrogen Phosphate Monohydrate
Formula Wt 137.99
CAS Number 10049-21-5

Assay: 98.0-102.0% NaH2PO4 - H2O
pH of a 5% solution: 4.1-4.5 at 25C

Insoluble matter: 0.01%
Chloride (Cl): 5 ppm
Nitrogen compounds (as N): 0.001%
Sulfate (SO4): 0.003%
Calcium (Ca): 0.005%
Potassium (K): 0.01%
Heavy metals (as Pb): 0.001%
Iron (Fe): 0.001%

We also supply Sodium Phosphate Monobasic or Monosodium Phosphateof BP Ph Eur Grade.

Please visit SDS Safety Data Sheet of Sodium Phosphate Monobasic or Monosodium 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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9910 Bent Oak Dr
Houston, TX 77040, USA
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