Mubychem Group, established in 1976, is the pioneer manufacturer of Sodium Phosphate, Pharmaceutical, Fragrance & Flavor chemicals in India. Mubychem Group has several manufacturing facilities spread across Gujarat and Mumbai India and world wide contacts and toll manufacturers. We are exporting globally to countries like USA, Europe, UAE, South Africa, Tanzania, Kenya, Egypt, Nigeria, Uganda, Turkey, Mexico, Brazil, Chile, Argentina, Dubai, Indonesia, Spain etc. |
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The participating units have one or more accreditations like FDA - GMP approval; ISO-9001 Certified; "REACH" Pre-registered; ISO-22000; Kosher Certified; Halal Certified; HACCP. We offer Pure & IP BP USP FCC Food Grade ACS AR Analytical Reagent Grades of Chemicals |
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Monosodium Disodium Trisodium Sodium Phosphate Monobasic Dibasic Tribasic BP USP NF ACS FCC Food grade Manufacturers
Mono Di Tri Sodium Phosphate Commercial & IP grade Manufacturers
Mono Di Tri Sodium Phosphate
Technical & Pure Monosodium Phosphate, Disodium Phosphate, Trisodium
Phosphate
Monobasic Sodium Phosphate Dibasic Sodium Phosphate Tribasic Sodium
Phosphate Monobasic
CAS Number 10039-32-4, 118830-14-1, 13472-35-0, 10028-24-7, 7601-54-9, 10049-21-5, 7782-85-6, 7558-79-4, 10101-89-0 IP BP Ph. Eur. USP ACS AR LR FCC Food Grades
Sodium Dihydrogen Phosphate Monohydrate
Sodium Dihydrogen Phosphate Monohydrate BP Ph Eur Grade Specifications
NaH2PO4-H2O -- 138.0 -- 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 130°, 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 [10049-21-5]
Phosphoric acid, monosodium salt, dihydrate
Monosodium phosphate dihydrate 156.01 [13472-35-0]
Anhydrous [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%.
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 [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, Monobasic FCC Food Grade Specifications
Monosodium
Phosphate; Sodium Biphosphate;
Monosodium
Dihydrogen Phosphate
NaH2PO4
Formula wt, anhydrous 119.98
NaH2PO4·H2O
Formula wt, 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%.
Tribasic Sodium Phosphate USP NF Grade Specifications
Tribasic
Sodium Phosphate
Na3PO4
(anhydrous) 163.94
Phosphoric
acid, trisodium salt, dodecahydrate.
Trisodium
phosphate, dodecahydrate 380.13 [10101-89-0]
Trisodium
phosphate, monohydrate 181.96
Anhydrous [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 Dibasic FCC Food Grade Specifications
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]
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%.
Sodium Phosphate Tribasic FCC Food Grade Specifications
Trisodium
Phosphate
Na3PO4
Formula weight, anhydrous 163.94
Na3PO4·12H2O Formula weight, 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%.
Sodium Phosphate ACS 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 Phosphate Dibasic, Heptahydrate ACS Reagent Grade Specifications
Disodium Hydrogen Phosphate Heptahydrate
ACS
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 ACS Reagent Grade Specifications
Disodium Hydrogen Phosphate
ACS
(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%
Sodium Phosphate Tribasic Dodecahydrate ACS Reagent Grade Specifications
Na3PO4-12H2O
Formula Weight 380.12
CAS Number 10101-89-0
NOTE. This salt, when stored under ordinary conditions, may lose some water of crystallization. Any loss in water will result in an assay of more than 100% Na3PO4 . 12H2O but does not affect the determination of the relative amount of free alkali present.
REQUIREMENTS
Assay: 98.0-102.0% Na3PO4-12H2O
MAXIMUM ALLOWABLE
Excess alkali (as NaOH): 2.5%
Insoluble matter: 0.01%
Chloride (Cl): 0.001%
Nitrogen compounds (as N): 0.001%
Sulfate (SO4): 0.01%
Heavy metals (as Pb): 0.001%
Iron (Fe): 0.001%
Mono Monobasic Sodium Phosphate
Monobasic Monosodium Phosphate BP USP NF ACS FCC Food Grade Manufacturers
Di Dibasic Sodium Phosphate Dibasic Disodium Phosphate
BP USP NF ACS FCC Food Grade Manufacturers
Tri Tribasic Sodium Phosphate Tribasic Manufacturers Trisodium
Phosphate BP USP NF FCC ACS Food Grade Manufacturers
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CHINCHBUNDER, MUMBAI 400009, INDIA
TEL: (OFFICE)
91-22-23774610, 91-22- 23723564. 91-22-23728264
e-mail: info@mubychem.com
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30-Apr-2022