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Disodium Phosphate Dibasic Sodium Phosphate Dibasic Commercial Pure & ACS Reagent USP NF FCC Food grade Manufacturers

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For Di Sod. Phosph. MSDS

Sodium Phosphate Dibasic
Technical & Pure Disodium Phosphate, Dibasic Sodium Phosphate Dibasic
Also IP BP Ph. Eur. USP ACS AR LR FCC Food Grades

Disodium Phosphate

Dibasic Sodium Phosphate Dibasic

Di-Sodium Phosphate or Disodium Phosphate (Na2HPO4, DSP) or disodium phosphate or dibasic sodium phosphate or sodium phosphate dibasic is a sodium salt of phosphoric acid. It is a white powder that is highly hygroscopic and water soluble. Disodium phosphate is therefore used commercially as an anti-caking additive in powdered products. It is also known as Di sodium hydrogen orthophosphate, sodium hydrogen phosphate or sodium phosphate dibasic. Sodium Phosphate Dibasic is commercially available in both the hydrated and anhydrous forms.

Other uses
Disodium phosphate DSP or Sodium Phosphate Dibasic can be used in cream of wheat to quicken cook time.
Disodium phosphate DSP or Sodium Phosphate Dibasic is used in conjunction with TSP in many steam boiler applications. Sodium Phosphate Dibasic supplies the inventory of free phosphates to retard calcium scale formation.

Specification Disodium Phosphate
Sodium Phosphate Dibasic
Crystals -- Anhydrous
P2O5 content
Loss on Drying
pH of 2% Solution
19% ------- 49.5%
98% ------- 98.0%
57-61% ---- 1%
8.9-9.5 --- 8.9-9.5
0.025% ---- 0.05%
50 Kg HDPE Bags

Sodium Phosphate Dibasic, Heptahydrate ACS
Disodium Hydrogen Phosphate Heptahydrate ACS

Formula Wt 268.07
CAS Number 7782-85-6

Assay: 98.0-102.0% Na2HPO4-7H2O
pH of a 5% solution: 8.7-9.3 at 25C

Insoluble matter: 0.005%
Chloride (Cl): 0.001%
Nitrogen compounds (as N): 0.001%
Sulfate (SO4): 0.005%
Heavy metals (as Pb): 0.001%
Iron (Fe): 0.001%

Reagent Chemicals
ACS Specifications

Sodium Phosphate Dibasic ACS
Disodium Hydrogen Phosphate ACS
(suitable for buffer solutions)

Formula Wt 141.96
CAS Number 7558-79-4

Assay: 99.0% Na2HPO4 min
pH of a 5% solution: 8.7-9.3 at 25C

Insoluble matter: 0.01%
Loss on drying at 105C: 0.2%
Chloride (Cl): 0.002%
Nitrogen compounds (as N): 0.002%
Sulfate (SO4): 0.005%
Heavy metals (as Pb): 0.001%
Iron (Fe): 0.002%

Dibasic Sodium Phosphate USP NF

Dibasic Sodium Phosphate
Na2HPO4·xH2O (anhydrous) 141.96
Phosphoric acid, disodium salt, dodecahydrate.
Disodium hydrogen phosphate, dodecahydrate 358.14 [10039-32-4]
Phosphoric acid, disodium salt, heptahydrate.
Disodium hydrogen phosphate heptahydrate 268.07 [7782-85-6]
Phosphoric acid, disodium salt, dihydrate.
Disodium hydrogen phosphate, dihydrate 177.99 [10028-24-7]
Phosphoric acid, sodium salt, monohydrate.
Disodium hydrogen phosphate, monohydrate 159.94 [118830-14-1]
Phosphoric acid, disodium salt, hydrate.
Disodium hydrogen phosphate hydrate [10140-65-5]
Anhydrous [7558-79-4]

Dibasic Sodium Phosphate is dried or contains one, two, seven, or twelve molecules of water of hydration. It contains not less than 98.0 percent and not more than 100.5 percent of Na2HPO4, calculated on the dried basis.

Identification— A solution (the equivalent of 1 part of Na2HPO4 in 30) responds to the tests for Sodium and for Phosphate.
Loss on drying— Dry it at 130 to constant weight: the dried form loses not more than 5.0% of its weight, the monohydrate loses between 10.3% and 12.0% of its weight, the dehydrate loses between 18.5% and 21.5% of its weight, the heptahydrate loses between 43.0% and 50.0% of its weight, and the dodecahydrate loses between 55.0% and 64.0% of its weight.
Insoluble substances— Dissolve the equivalent of 5.0 g of Na2HPO4 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 (0.4%).
Chloride— A portion equivalent to 0.5 g of Na2HPO4 shows no more chloride than corresponds to 0.42 mL of 0.020 N hydrochloric acid (0.06%).
Sulfate— A portion equivalent to 0.1 g of Na2HPO4 shows no more sulfate than corresponds to 0.2 mL of 0.020 N sulfuric acid (0.2%).
Arsenic— the limit is 16 ppm.
Heavy metals—the limit is 0.002%.

Sodium Phosphate Dibasic FCC

Disodium Monohydrogen Phosphate; Disodium Phosphate
Na2HPO4 Formula wt, anhydrous 141.96
Na2HPO4·2H2O Formula wt, dihydrate 177.99
INS: 339(ii) CAS: anhydrous [7558-79-4]
CAS: dihydrate [10028-24-7]

Sodium Phosphate, Dibasic, occurs as a white, crystalline powder or as granules. It may be anhydrous or contain two molecules of water of hydration. The anhydrous form is hygroscopic. Both forms are freely soluble in water and insoluble in alcohol.
Function: Emulsifier; texturizer; buffer; nutrient.

Identification: A 1:20 aqueous solution gives positive tests for Phosphate and for Sodium.
Assay: Not less than 98.0% of Na2HPO4 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 5.0%; Dihydrate: Between 18.0% and 22.0%.

Pure Di Disodium Dibasic Sodium Phosphate Dibasic ACS Analytical Reagent FCC Food grade USP NF manufacturers:

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Call 1-844-682-9243

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Best Selling IP BP USP FCC ACS Grades of Chemicals by Anmol Chemicals

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 Di Disodium Phosphate Manufacturers Sodium Phosphate Dibasic USP NF ACS Analytical Reagent FCC Food grade Manufacturers

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