Monosodium Disodium Trisodium Phosphate or Sodium Phosphate Monobasic Dibasic Tribasic Pure & IP BP USP NF ACS AR Analytical Reagent Food Grade Manufacturers |
Muby chemicals, is the flagship company in Mubychem Group, established in 1976, It has several manufacturing units in its wings, making Inorganic Chemicals including Monosodium Disodium Trisodium Sodium Phosphate Monobasic Dibasic Tribasic, Pharmaceutical Excipients & Flavour Chemicals in India. Mubychem Group has manufacturing facilities spread across Western India and sales purchase agents in several countries. The associated manufacturing units are accredited with certifications like FDA cGMP and GLP Approval, ISO-9001 ISO-14001, ISO/IEC 17025, ISO-22000, FSSC 22000, ISO 45001, Certification, "REACH" registration, Kosher, Halal & HACCP Certification. |
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Disodium Phosphate or Dibasic Sodium Phosphate CAS Number 7782-85-6 or 10028-24-7 or 118830-14-1 or 10140-65-5 or 7558-79-4 or 10039-32-4
Trisodium Phosphate or Tribasic Sodium Phosphate CAS Number 7601-54-9 or 10101-89-0
Monobasic Sodium Phosphate Monobasic
Mono Sodium Phosphate or Monosodium Phosphate (NaH2PO4, MSP), also known as anhydrous monobasic sodium phosphate or monosodium phosphate or sodium phosphate monobasic, is used as a laxative and, in combination with other sod. phos., as a pH buffer.
| Specification | Monosodium Phosphate Crystals Monobasic Sodium Phosphate Monobasic |
Monosodium Phosphate Anhydrous Monobasic Sodium Phosphate Monobasic |
| P2O5 Content Assay Loss on Drying pH of 2% Solution Insoluble |
44% 98% Less than 24% 4.4-5 0.025% |
59% 98% 1% 4.4-5 0.5% |
Sodium Phosphate Analytical Reagent Grade Specifications
Sodium Phosphate, Monobasic, Monohydrate
Sodium Dihydrogen Phosphate Monohydrate
NaH2PO4-H2O
Formula Weight 137.99
CAS Number 10049-21-5
REQUIREMENTS
Assay: 98.0-102.0% NaH2PO4 - H2O
pH of a 5% solution: 4.1-4.5 at 25C
MAXIMUM ALLOWABLE
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%
Sodium Dihydrogen Phosphate Monohydrate
Sodium Dihydrogen Phosphate Monohydrate BP Ph Eur Grade Specifications
NaH2PO4-H2O, 138.0 CAS 10049-21-5
Action and use
Excipient.
DEFINITION
Sodium Dihydrogen Phosphate Monohydrate contains not less than 98.0% and not more than 100.5% of NaH2PO4, calculated with reference to the dried substance.
CHARACTERISTICS
Colourless crystals or a white powder.
Very soluble in water; very slightly soluble in ethanol (96%).
Dissolve 10.0 g in sufficient carbon dioxide-free water prepared from distilled water to produce 100 ml (solution S).
IDENTIFICATION
A. Solution S is faintly acid.
B. Solution S yields the reactions characteristic of phosphates.
C. Solution S neutralized with a 10% w/v solution of potassium hydroxide yields reaction A characteristic of sodium salts.
D. Complies with the test for Loss on drying.
TESTS
Acidity
pH of a mixture of 5 ml of solution S and 5 ml of carbon dioxide-free water , 4.2 to 4.5.
Clarity and colour of solution
Solution S is clear and colourless.
Arsenic
0.5 g complies with the limit test for arsenic - 2 ppm.
Heavy metals
12 ml of solution S complies with limit test A for heavy metals. Use lead standard solution (1 ppm Pb) to prepare the standard (10 ppm).
Iron
10 ml of solution S complies with the limit test for - iron 10 ppm.
Chloride
Dilute 2.5 ml of solution S to 15 ml with water. The resulting solution complies with the limit test for chlorides - 200 ppm.
Sulphate
To 5 ml of solution S add 0.5 ml of hydrochloric acid and dilute to 15 ml with distilled water. The resulting solution complies with the limit test for sulphate - 300 ppm.
Reducing substances
To 5 ml of solution S add 0.25 ml of 0.02M potassium permanganate and 5 ml of 1M sulphuric acid and heat in a water bath for 5 minutes. The solution retains a slight red colour.
Loss on drying
When dried to constant weight at 130C, loses 11.5 to 14.5% of its weight. Use 0.5 g.
Monobasic Sodium Phosphate USP NF Grade Specifications
Monobasic Sodium Phosphate
NaH2PO4·xH2O
(anhydrous) 119.98
Phosphoric acid, monosodium salt, monohydrate.
Monosodium phosphate monohydrate 137.99 [CAS 10049-21-5]
Phosphoric acid, monosodium salt, dihydrate
Monosodium phosphate dihydrate 156.01 [CAS 13472-35-0]
Anhydrous [CAS 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 7558-80-7
CAS: monohydrate 10049-21-5
DESCRIPTION
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.
REQUIREMENTS
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%.
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.
| Specification | Disodium Phosphate Crystals Dibasic Sodium Phosphate Dibasic |
Disodium Phosphate Anhydrous Dibasic Sodium Phosphate Dibasic |
| P2O5 content Assay Loss on Drying pH of 2% Solution Insoluble |
19% 98% 57-61% 8.9-9.5 0.025% |
49.5% 98.0% 1% 8.9-9.5 0.05% |
Sodium Phosphate Dibasic, Heptahydrate Analytical Reagent Grade Specifications
Disodium Hydrogen Phosphate Heptahydrate Reagent
Na2HPO4-7H2O
Formula Weight 268.07
CAS Number 7782-85-6
REQUIREMENTS
Assay: 98.0-102.0% Na2HPO4-7H2O
pH of a 5% solution: 8.7-9.3 at 25C
MAXIMUM ALLOWABLE
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%
Sodium Phosphate Dibasic Analytical Reagent Grade Specifications
Disodium Hydrogen Phosphate Reagent Grade Specifications
(suitable for buffer solutions)
Na2HPO4
Formula Weight 141.96
CAS Number 7558-79-4
REQUIREMENTS
Assay: 99.0% Na2HPO4 min
pH of a 5% solution: 8.7-9.3 at 25C
MAXIMUM ALLOWABLE
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 Grade Specifications
Dibasic Sodium Phosphate
Na2HPO4·xH2O (anhydrous) 141.96
Phosphoric acid, disodium salt, dodecahydrate.
Disodium hydrogen phosphate, dodecahydrate 358.14 CAS 10039-32-4
Phosphoric acid, disodium salt, heptahydrate.
Disodium hydrogen phosphate heptahydrate 268.07 CAS 7782-85-6
Phosphoric acid, disodium salt, dihydrate.
Disodium hydrogen phosphate, dihydrate 177.99 [CAS 10028-24-7]
Phosphoric acid, sodium salt, monohydrate.
Disodium hydrogen phosphate, monohydrate 159.94 [CAS 118830-14-1]
Phosphoric acid, disodium salt, hydrate.
Disodium hydrogen phosphate hydrate [CAS 10140-65-5]
Anhydrous [CAS 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 Food Grade Specifications
Disodium Monohydrogen Phosphate; Disodium Phosphate
Na2HPO4 Formula weight, anhydrous 141.96
Na2HPO4-2H2O Formula weight, dihydrate 177.99
INS: 339(ii) CAS: anhydrous 7558-79-4
CAS: dihydrate 10028-24-7
DESCRIPTION
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.
REQUIREMENTS
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%.
Tribasic Sodium Phosphate Tribasic
Tri Sodium Phosphate or Trisodium Phosphate (TSP), or trisodium phosphate or tribasic sodium phosphate or sodium phosphate tribasic is available at most hardware stores in white powder form, is a cleaning agent, stain remover and degreaser, commonly used to prepare surfaces for painting. It can also be called Tri sodium orthophosphate and has the chemical formula Na3PO4; however, it is generally found in hydrated forms. Sodium Phosphate Tribasic is a highly water-soluble ionic salt.
Trisodium phosphate can also be found as a food additive; it is used as an acidity regulator (buffering agent), emulsifier, thickening agent, nutrition enlargement agent and sequestrant (metal-chelating agent). In these uses, all sodium phosphates may be collectively referred to as sodium phosphate, or by E number E339. The same is true when sold as an enema, working as a laxative to treat constipation.
It is also used in various forms as a boiler treatment chemical for calcium precipitation, as well as regulating the caustic effects of DSP in coordinated phosphate chemistry. Sodium Phosphate Tribasic is also used to clean swimming pool polyester filter elements.
| Specification |
Trisodium Phosphate Crystals Sodium Phosphate Tribasic |
Trisodium Phosphate Anhydrous Sodium Phosphate Tribasic |
| P2O5 content Assay Loss on Drying pH of 2% Solution Insoluble Packing |
19% 98% Less than 58% 11.5-12.5 Less than 0.025% 50 Kg HDPE Bags |
49.5% 98% 1% max 11.5-12.5 Less than 0.05% 50 Kg HDPE Bags |
Tribasic Sodium Phosphate USP NF Grade Specifications
Tribasic Sodium Phosphate
Na3PO4 (anhydrous) 163.94
Phosphoric acid, trisodium salt, dodecahydrate.
Trisodium phosphate, dodecahydrate 380.13 CAS 10101-89-0
Trisodium phosphate, monohydrate 181.96
Anhydrous CAS 7601-54-9
Tribasic Sodium Phosphate is anhydrous or contains one to twelve molecules of water of hydration. Na3PO4 (anhydrous) and Na3PO4·H2O (monohydrate) contain not less than 97.0 percent of Na3PO4, calculated on the ignited basis; Na3PO4-12H2O (dodecahydrate) contains not less than 92.0 percent of Na3PO4, calculated on the ignited basis.
Identification— A solution (1 in 20) meets the requirements of the tests for Sodium and for Phosphate.
Loss on ignition— Dry a portion at 100 for 5 hours. Ignite about 2 g, accurately weighed, of the dried sample at about 800 for 30 minutes: calculated on the dried basis, the anhydrous form loses not more than 2.0% of its weight, the monohydrate loses between 8.0% and 11.0% of its weight, and the dodecahydrate loses between 45.0% and 57.0% of its weight.
Insoluble substances— Dissolve a portion equivalent to 10.0 g of anhydrous tribasic sodium phosphate in 100 mL of hot water, and filter through a tarred filtering crucible. [NOTE—Do not use glass.] 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%).
Arsenic—3 µg per g.
Heavy metals—0.001%.
Sodium Phosphate Tribasic FCC Food Grade Specifications
Trisodium Phosphate
Na3PO4 Formula wt, anhydrous 163.94
Na3PO4-12H2O Formula wt, dodecahydrate 380.12
INS: 339(iii) CAS: anhydrous 7601-54-9
CAS: dodecahydrate 10101-89-0
DESCRIPTION
Sodium Phosphate, Tribasic, occurs as white crystals or granules or as a crystalline material. It may be anhydrous or contain 1 to 12 molecules of water of hydration. The formula for a crystalline material is approximately 4(Na3PO4-12H2O)- NaOH. It is freely soluble in water, but is insoluble in alcohol. The pH of a 1:100 aqueous solution is between 11.5 and 12.5.
Function: Antimicrobial; buffer; emulsifier; nutrient.
REQUIREMENTS
Identification: A 1:20 aqueous solution gives positive tests for Sodium and for Phosphate.
Assay: Anhydrous and Monohydrate: Not less than 97.0% of Na3PO4, calculated on the ignited basis; Dodecahydrate: Not less than 90.0% of Na3PO4, calculated on the ignited basis.
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 Ignition Anhydrous: Not more than 2.0%; Monohydrate: Between 8.0% and 11.0%; Dodecahydrate: Between 45.0% and 57.0%.
Use
These items are only used as food additives. They are added to many foods as an emulsifier to prevent oil separation. Some examples are processed cheeses, processed meats, ready-made meals and tinned (canned) soups. They are also commonly added to powdered soups, boullions and gravy mixtures. They can also be used as a leavening agent. Some examples of these foods include the batter coating on breaded fish or chicken, and commercially baked cakes. Adding this item to food increases the shelf life of the food, maintaining the texture and appearance of the food.
Monosodium Phosphate or Monobasic Sodium Phosphate
Disodium Phosphate or Dibasic Sodium Phosphate
Trisodium Phosphate or Tribasic Sodium Phosphate
Monosodium Phosphate Monobasic Sodium Phosphate Monobasic Manufacturers
Disodium Phosphate Dibasic Sodium Phosphate Dibasic Manufacturers
Trisodium Phosphate Tribasic Sodium Phosphate Manufacturers:
Muby Chemicals & Associated Cos
BANDEALI BUILDING, CHINCHBUNDER, MUMBAI 400009, INDIA.
TEL: 91-22-23728264. Gujarat & Mumbai India.
info(At the Rate i.e. @)mubychem(dot)com
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Last updated
9-sep-22
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