Mubychem Group, established in 1976, is the pioneer manufacturer of Potassium 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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Monobasic Dibasic Tribasic Potassium Phosphate Monobasic Dibasic Tribasic IP BP Ph Eur USP NF FCC ACS Food Grade Manufacturers
Potassium Phosphates Commercial grade
Potassium Phosphate USP BP IP FCC ACS Food Grade Manufacturers
Dibasic Potassium Phosphate Dibasic Manufacturers BP USP NF Dipotassium Phosphate Manufacturers
Tribasic Potassium Phosphate Tribasic Manufacturers BP USP NF Tripotassium Phosphate Manufacturers
Mono Di Tri Potassium Phosphate
Technical & Pure Crystals
CAS Number 7778-77-0 & 7758-11-4 & 7790-53-6 & 7778-53-2 & 7320-34-5 & 22763-02-6, IP BP Ph. Eur. USP ACS AR LR FCC Food Grades
Dipotassium Hydrogen Phosphate BP Ph Eur Grade Specifications
Dipotassium Phosphate BP Grade Specifications
K2HPO4 -- 174.2 -- CAS Number 7758-11-4
Dibasic Potassium Phosphate BP
Potassium Phosphate Dibasic BP
DEFINITION
Dipotassium phosphate contains not less than 98.0 per cent and not
more than the equivalent of 101.0 per cent of K2HPO4,
calculated with reference to the dried substance.
CHARACTERS
A white powder or
colourless crystals, very
hygroscopic, very soluble in water, very slightly soluble in alcohol.
IDENTIFICATION
A. Solution S (see Tests)
is slightly alkaline
B. Solution S gives reaction of
phosphates.
C. Solution S gives reaction of
potassium.
TESTS
Solution S
Dissolve 5.0 g in
distilled water and dilute to 50 ml with
the same solvent.
Appearance of solution
Solution S is clear and colourless.
Reducing substances
Heat on a water-bath for 5 min a mixture of 5 ml
of solution S, 5 ml of dilute sulphuric
acid and 0.25 ml of 0.02 M potassium permanganate. The
solution remains faintly pink.
Chlorides
To 2.5 ml of solution S add 10 ml of
dilute nitric acid and
dilute to 15 ml with water. The solution complies with the limit
test for chlorides (200 ppm).
Sulphates
To 1.5 ml of solution S add 2 ml of
dilute hydrochloric acid and dilute to 15 ml with
distilled
water. The solution complies with the limit test for
sulphates (0.1 per cent).
Arsenic
5 ml of solution S complies with limit test A for arsenic (2
ppm).
Iron
10 ml of solution S complies with the limit test for iron (10
ppm).
Heavy metals
Dissolve 2.0 g in 8 ml of
water. Acidify with about 6 ml of
dilute hydrochloric acid (pH 3 to 4) and dilute to 20 ml with water. 12 ml of the solution complies with limit test A for heavy
metals (10 ppm).
Sodium
If intended for use in the manufacture of
parenteral dosage forms, it contains
not
more than 0.1 per cent of Na, determined by atomic emission
spectrometry.
Loss on drying
Not more than 2.0 per cent, determined on 1.000 g by drying in an
oven at 125C to 130C.
Bacterial endotoxins
Less than 1.1 IU/mg, if intended for use in the manufacture of parenteral dosage forms without a further
appropriate procedure for the removal of bacterial endotoxins.
Potassium Dihydrogen
Phosphate BP Ph Eur Grade Specifications
Monopotassium Phosphate BP Grade Specifications
KH2PO4 -- 136.1 -- CAS 7778-77-0
Monobasic Potassium Phosphate BP
Potassium Phosphate Monobasic BP
DEFINITION
Potassium
dihydrogen phosphate contains
not less than 98.0 per cent and not more than the equivalent of 100.5
per cent of KH2PO4, calculated with reference to
the dried substance.
CHARACTERS
A white, crystalline powder or
colourless crystals, freely soluble in
water, practically insoluble in alcohol.
IDENTIFICATION
A. Solution S (see Tests)
is faintly acid.
B. Solution S gives reaction
(b) of phosphates.
C. 0.5 ml of solution S gives
reaction of potassium.
TESTS
Solution S
Dissolve 10.0 g in
carbon dioxide-free water prepared from distilled water and dilute to 100 ml with the same solvent.
Appearance of solution
Solution S is clear and
colourless.
pH
To 5 ml of solution S add 5 ml of
carbon dioxide-free water.
The pH of the solution is 4.2 to 4.5.
Reducing substances
To 5 ml of solution S add 5 ml of
dilute sulphuric acid and 0.25 ml of 0.02
M
potassium permanganate. Heat on a
water-bath for 5 min. The colour of
the permanganate is not completely discharged.
Chlorides
Dilute 2.5 ml of solution S to 15 ml with
water R. The
solution complies with the limit test for
chlorides (200 ppm).
Sulphates
To 5 ml of solution S add 0.5 ml of
hydrochloric acid and
dilute to 15 ml with distilled
water. The solution complies with the limit test for
sulphates (300 ppm).
Arsenic
0.5 g complies with limit test A for arsenic (2
ppm).
Iron
10 ml of solution S complies with the limit test for iron (10
ppm).
Sodium
If intended for use in the manufacture of
parenteral dosage forms, it complies with
the test for sodium. Not more than 0.1 per cent of Na,
determined by atomic emission spectrometry
Heavy metals
12 ml of solution S complies with limit test A for heavy metals (10
ppm).
Loss on drying
Not more than 2.0 per cent, determined on 1.000 g by drying in an
oven at 125C to 130C.
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 105 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 20o,
and add 3 drops of thymol blue TS: 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.
Monobasic Potassium Phosphate USP NF Grade Specifications
Monopotassium Phosphate USP NF
Monobasic Potassium Phosphate USP NF
Mono Potassium Phosphate USP NF
Potassium Phosphate Monobasic USP NF
KH2PO4 136.09
Phosphoric acid, monopotassium
salt.
Monopotassium phosphate [7778-77-0].
Monobasic Potassium Phosphate, dried at 105 for 4 hours, contains not less than 98.0 percent and not more than 100.5 percent of KH2PO4.
Identification
A solution (1 in 20)
responds to the tests for Potassium 191 and for Phosphate.
Loss on drying Dry it at 105 for 4 hours: 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 105 for 2 hours: the residue does not exceed 20 mg (0.2%).
Arsenic: 3 ppm.
Lead not more than 5
ppm of
Pb).
Heavy metals : the limit is
0.002%.
Limit of fluoride The limit is 0.001%.
Potassium Metaphosphate USP NF Grade Specifications
Potassium Metaphosphate
KPO3 118.07
Metaphosphoric
acid (HPO3), potassium salt.
Potassium metaphosphate [CAS 7790-53-6].
Potassium Metaphosphate is a straight-chain polyphosphate, having a high degree of polymerization. It contains the equivalent of not less than 59.0 percent and not more than 61.0 percent of P2O5.
Identification
A: Add 1 g of finely powdered Potassium
Metaphosphate, slowly and with vigorous stirring, to 100
mL of sodium chloride solution (1 in 50): a
gelatinous mass is formed.
B: Boil a mixture of 0.5 g of Potassium
Metaphosphate, 10 mL of nitric acid,
and 50 mL of water for 30 minutes, and cool:
the resulting solution responds to the tests for Potassium and
for Phosphate.
Viscosity
Mix 300 mg with 200
mL of sodium pyrophosphate solution (3.5 in
1000), using a magnetic stirrer. Determine the viscosity of the clear
solution obtained, or of the liquid phase of the mixture obtained after
30 minutes of continuous stirring: the viscosity is between 6.5 and 15
centipoises.
Lead not more than 5
ppm of
Pb.
Heavy metals: the limit is 0.002%.
Limit of fluoride To pass the test.
Potassium Phosphate Dibasic FCC Food Grade Specifications
Dipotassium Monophosphate; Dipotassium
Phosphate FCC Food Grade
Dibasic Potassium Phosphate FCCFood Grade
K2HPO4 Formula weight 174.18
INS: 340(ii) CAS 7758-11-4
DESCRIPTION
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.
REQUIREMENTS
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 Monobasic FCC Food Grade Specifications
Potassium Biphosphate; Potassium
Dihydrogen Phosphate;\.
Monopotassium Phosphate
FCC
Monobasic Potassium Phosphate FCC
KH2PO4 Formula weight 136.09
INS: 340(i) CAS 7778-77-0
DESCRIPTION
Potassium Phosphate, Monobasic, occurs as colorless crystals or as a
white, granular or crystalline powder. It is stable in air. It is freely
soluble in water, but is insoluble in alcohol. The pH of a 1:100 aqueous
solution is between 4.2 and 4.7.
Function: Buffer;
sequestrant; yeast
food.
REQUIREMENTS
Identification: A 1:20 aqueous solution gives positive tests for
Potassium and for Phosphate.
Assay: Not less than 98.0% of KH2PO4 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 1%.
Potassium Phosphate,
Tribasic FCC Food Grade Specifications
Tripotassium Phosphate FCC Grade
Tribasic Potassium Phosphate FCC Grade
K3PO4 Formula weight 212.27
INS: 340(iii) CAS 7778-53-2
DESCRIPTION
Potassium Phosphate,
Tribasic, occurs as
white, hygroscopic crystals or granules. It is anhydrous or may contain
one molecule of water of hydration. It is freely soluble in water, but
is insoluble in alcohol. The pH of a 1:100 aqueous solution is about
11.5.
Function: Emulsifier.
REQUIREMENTS
Identification: A 1:20 aqueous solution gives
positive tests for Potassium and for Phosphate.
Assay: Not less than 97.0% of K3PO4, calculated on the ignited
basis.
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 Ignition Anhydrous: Not more than 5.0%;
Monohydrate: Between 8.0% and 20.0%.
Potassium Polymetaphosphate FCC Food Grade Specifications
Potassium Metaphosphate; Potassium Polyphosphates
Potassium Kurrols Salt
(KPO3)n
INS: 452(ii) CAS 7790-53-6
DESCRIPTION
Potassium
Polymetaphosphate occurs as a
white powder. It is a straight-chain polyphosphate having a high degree
of polymerization. It is insoluble in water, but is soluble in dilute
solutions of sodium salts.
Function: Emulsifier; moisture-retaining agent.
REQUIREMENTS
Identification:
A. Finely powder about 1 g of sample, and while stirring vigorously,
add it slowly to 100 mL of a 1:50 sodium
chloride solution. A gelatinous mass forms.
B. Mix 500 mg of sample with 10
mL of nitric
acid and 50 mL of water, boil for about 30
min, and cool. The resulting solution gives positive tests for Potassium
and for Phosphate.
Assay: Not less than 59.0% and not more than 61.0% of P2O5.
Arsenic: Not more than 3 mg/kg.
Fluoride: Not more than 10 mg/kg.
Lead: Not more than 2 mg/kg.
Viscosity: Between 6.5 and 15 centipoises.
Potassium Pyrophosphate FCC Food Grade Specifications
Tetrapotassium Pyrophosphate
K4P2O7 Formula weight 330.34
INS: 450v CAS: [7320-34-5]
DESCRIPTION
Potassium Pyrophosphate occurs as colorless or white crystals or as
a white, crystalline or granular powder. It is hygroscopic. It is very
soluble in water, but is insoluble in alcohol. The pH of a 1:100 aqueous
solution is about 10.5.
Function: Emulsifier; texturizer.
REQUIREMENTS
Identification:
A. A 1:20 aqueous solution gives positive tests for Potassium.
B. Dissolve 100 mg of sample in 100
mL of 1.7 N nitric acid. Add 0.5
mL of this solution to 30
mL of quimociac
TS. A yellow precipitate does not form. Heat the remaining portion of
the sample solution for 10 min at 95°, and add 0.5 mL of it to 30
mL of
quimociac TS. A yellow precipitate forms
immediately.
Assay: Not less than 95.0% of K4P2O7, calculated on the ignited
basis.
Arsenic: Not more than 3 mg/kg.
Fluoride: Not more than 10 mg/kg.
Insoluble Substances: Not more than 0.1%.
Lead: Not more than 2 mg/kg.
Loss on Ignition: Not more than 0.5%.
Potassium Phosphate Dibasic ACS Reagent Grade Specifications
Dibasic Potassium Phosphate ACSDipotassium Phosphate ACS
Dipotassium Hydrogen Phosphate
K2HPO4
Formula Weight 174.18
CAS Number 7758-11-4
REQUIREMENTS
Assay: 98.0% K2HPO4
pH of a 5% solution:
8.5-9.6 at 25C
MAXIMUM ALLOWABLE
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%
Potassium Phosphate Tribasic
ACS Reagent Grade Specifications
Tripotassium Orthophosphate
Tripotassium Phosphate ACSTribasic Potassium Phosphate ACS
K3PO4
Formula Wt 212.27
K3PO4 . 7H2O
Formula Weight 338.38
CAS Number 7778-53-2 anhydrous; 22763-02-6 heptahydrate
REQUIREMENTS
Assay (as-is basis): 98% K3PO4
or K3PO4 .
7H2O
MAXIMUM ALLOWABLE
Dibasic potassium phosphate (K2HPO4) 1%
Excess alkali (as KOH): 1%
Insoluble matter: 0.01%
Chloride (Cl): 0.005%
Nitrogen compounds (as N): 0.002%
Heavy Metals (as Pb): 0.002%
Iron (Fe): 0.001%
Sulfate (SO4): 0.005%
Sodium (Na): 0.1%
Potassium Phosphate Monobasic ACS Reagent Grade Specifications
Potassium Dihydrogen Phosphate
ACS
Monopotassium Phosphate ACS
Monobasic Potassium Phosphate ACS
KH2PO4Formula Weight 136.09
CAS Number 7778-77-0
REQUIREMENTS
Assay: 99.0% KH2PO4
pH of a 5% solution: 4.1-4.5 at 25C
MAXIMUM ALLOWABLE
Insoluble matter: 0.01%
Loss on drying at 105C: 0.2%
Chloride (Cl): 0.001%
Nitrogen compounds (as N)
. 0.001%
Sulfate (SO4): 0.003%
Heavy metals (as Pb): 0.001%
Iron (Fe): 0.002%
Sodium (Na): 0.005%
Mono
Monopotassium Monobasic Potassium Phosphate Monobasic BP USP NF ACS FCC Food
gradeManufacturers
Di
Dipotassium
Dibasic Potassium Phosphate Dibasic BP USP NF ACS FCC Food grade Manufacturers
Tri
Tripotassium
Tribasic Potassium Phosphate Tribasic BP USP NF ACS FCC Food grade Manufacturers:
MUBYCHEM GROUP
CHINCHBUNDER, MUMBAI 400009, INDIA
TEL: (OFFICE)
91-22-23774610, 91-22- 23723564. 91-22-23728264
e-mail: info@mubychem.com
USA & Canadian Customers may e-mail: us@mubychem.com
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29-Apr-2022