CAS Number 7758-87-4 or 12167-74-7 or 1306-06-5 or 62974-97-4, Calcium Phosphate Tribasic Tricalcium Phosphate Manufacturers BP Ph Eur FCC Food Grade Manufacturers

Supplier, Manufacturer, Exporter of Calcium Phosphate Tribasic Tricalcium Calcium Phosphate Muby Chemicals of Mubychem Group, established in 1976, is the original manufacturers of Specialty Chemicals, Pharmaceutical Excipient, Fragrance Food & Flavor chemicals, Reagent Grade Chemicals, Shale Gas Fracturing Chemicals in India. Mubychem Group has several manufacturing facilities spread across Western India and world wide contacts and toll manufacturers. We are exporting globally to countries like USA, Canada, Europe, UAE, South Africa, Tanzania, Kenya, Egypt, Nigeria, Cameroon, Uganda, Turkey, Mexico, Brazil, Chile, Peru, Argentina, Dubai, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia, China, Germany, France, Italy, Portugal etc.

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Calcium Phosphate Tribasic or Tricalcium Phosphate CAS Number 7758-87-4 or 12167-74-7 or 1306-06-5 or 62974-97-4, EINECS EC Number 231-840-8 *, HS Code: 283526**, Molecular Weight 310.18, Chemical Formula Ca5(OH)(PO4)3

Tribasic Calcium Phosphate BP Ph Eur

DEFINITION
Calcium phosphate consists of a mixture of calcium phosphates. It contains not less than 35.0 per cent and not more than the equivalent of 40.0 per cent of Ca (Ar 40.08).

CHARACTERS
A white or almost white powder, practically insoluble in water. It dissolves in dilute hydrochloric acid and in dilute nitric acid.

IDENTIFICATION
A. Dissolve 0.1 g in 5 ml of a 25 per cent V/V solution of nitric acid R. The solution gives reaction (b) of phosphates (2.3.1).
B. It gives reaction (b) of calcium (2.3.1). Filter before adding potassium ferrocyanide solution R.
C. It complies with the limits of the assay.

TESTS
Solution S: Dissolve 2.50 g in 20 ml of dilute hydrochloric acid. If the solution is not clear, filter it. Add dilute ammonia drop-wise until a precipitate is formed. Dissolve the precipitate by adding dilute hydrochloric acid and dilute to 50 ml with distilled water.
Chlorides: Dissolve 0.22 g in a mixture of 1 ml of nitric acid and 10 ml of water and dilute to 100 ml with water. 15 ml of the solution complies with the limit test for chlorides (0.15 per cent).
Fluorides: Not more than 75 ppm of F, determined potentiometrically (2.2.36, Method I) using a fluoride-selective indicator electrode and a silver-silver chloride reference electrode.
Sulphates: Dilute 1 ml of solution S to 25 ml with distilled water 15 ml of the solution complies with the limit test for sulphates (0.5 per cent).
Arsenic: 5 ml of solution S complies with limit test A for arsenic (4 ppm).
Iron: Dilute 0.5 ml of solution S to 10 ml with water R. The solution complies with the limit test for iron (400 ppm).
Heavy metals: Dilute 13 ml of solution S to 20 ml with water. 12 ml of the solution complies with limit test A for heavy metals (30 ppm).
Acid-insoluble matter: Dissolve 5.0 g in a mixture of 10 ml of hydrochloric acid and 30 ml of water. Filter, wash the residue with water and dry to constant mass at 100°C to 105 °C. The residue weighs not more than 10 mg (0.2 per cent).
Loss on ignition: Not more than 8.0 per cent, determined on 1.000 g by ignition at 800 °C for 30 min

Tribasic Calcium Phosphate USP

Tribasic Calcium Phosphate
Ca5(OH)(PO4)3 502.31
Calcium hydroxide phosphate (Ca5(OH)(PO4)3).
Calcium hydroxide phosphate (Ca5(OH)(PO4)3) CAS 12167-74-7

Tribasic Calcium Phosphate consists of a variable mixture of calcium phosphates having the approximate composition 10CaO·3P2O5·H2O. It contains not less than 34.0 percent and not more than 40.0 percent of calcium (Ca).

Identification:
A: To a warm solution in a slight excess of nitric acid add ammonium molybdate TS: a yellow precipitate is formed.
B: It responds to the flame test for Calcium.
Loss on ignition: Ignite it at 800 for 30 minutes: it loses not more than 8.0% of its weight.
Water-soluble substances: Digest 2 g with 100 mL of water on a steam bath for 30 minutes, cool, add sufficient water to restore the original volume, stir well, and filter. Evaporate 50 mL of the filtrate in a tarred porcelain dish on a steam bath to dryness, and dry the residue at 120 to constant weight: the weight of the residue does not exceed 5 mg (0.5%).
Acid-insoluble substances: If an insoluble residue remains in the test for Carbonate, boil the solution, filter, wash the residue well with hot water until the last washing is free from chloride, and ignite the residue to constant weight: the weight of the residue does not exceed 4 mg (0.2%).
Carbonate: Mix 2 g with 20 mL of water, and add 3 N hydrochloric acid, drop wise, to effect solution: no effervescence is produced.
Chloride: Dissolve 500 mg in 25 mL of 2 N nitric acid, and add 1 mL of silver nitrate TS: the turbidity does not exceed that produced by 1.0 mL of 0.020 N hydrochloric acid (0.14%).
Sulfate: Dissolve 500 mg in the smallest possible amount of 3 N hydrochloric acid, dilute with water to 100 mL, filter, if necessary, and to 25 mL of the filtrate add 1 mL of barium chloride TS: the turbidity does not exceed that produced by 1.0 mL of 0.020 N sulfuric acid (0.8%).
Arsenic : The limit is 3 ppm.
Barium: Mix 500 mg with 10 mL of water, heat, add hydrochloric acid drop-wise until solution is effected, and then add 2 drops of the acid in excess. Filter, and add to the filtrate 1 mL of potassium sulfate TS: no turbidity appears within 15 minutes.
Dibasic salt and calcium oxide: Weigh accurately about 1.5 g, and dissolve by warming with 25.0 mL of 1 N hydrochloric acid VS. Cool, and slowly titrate the excess of 1 N hydrochloric acid, while agitating constantly, with 0.1 N sodium hydroxide VS to a pH of 4.0, determined potentiometrically. Not less than 13.0 mL and not more than 14.3 mL of 1 N hydrochloric acid is consumed for each g of salt, calculated on the ignited basis.
Limit of fluoride: [NOTE—Prepare and store all solutions in plastic containers.]: The limit is 0.0075%.
Limit of nitrate: Mix 200 mg with 5 mL of water, and add just sufficient hydrochloric acid to effect solution. Dilute with water to 10 mL, add 0.20 mL of indigo carmine TS, then add, with stirring, 10 mL of sulfuric acid: the blue color persists for not less than 5 minutes.

Calcium Phosphate, Tribasic FCC Food Grade

Tricalcium Phosphate; Precipitated Calcium Phosphate
Calcium Hydroxyapatite
Ca3(PO4)2 Formula weight 310.18
Ca5OH(PO4)3 Formula weight 502.31
Ca10(OH)2(PO4)6 Formula weight 1004.61
INS: 341(iii) CAS 7758-87-4
CAS 1306-06-5
CAS 62974-97-4

DESCRIPTION
Calcium Phosphate, Tribasic, occurs as a white powder that is stable in air. It consists of a variable mixture of calcium phosphates. It is insoluble in alcohol and almost insoluble in water, but it dissolves readily in dilute hydrochloric and nitric acids.
Function: Ant caking agent; buffer; nutrient; clouding agent.

REQUIREMENTS
Identification
A. Add ammonium molybdate TS to a warm solution of sample in a slight excess of nitric acid. A yellow precipitate forms.
B. Dissolve about 100 mg of sample by warming it with 5 mL of 2.7 N hydrochloric acid and 5 mL of water; while shaking, add 1 mL of 6 N ammonium hydroxide, drop-wise and then add 5 mL of ammonium oxalate TS. A white precipitate forms.
Assay: Not less than 34.0% and not more than 40.0% of calcium (Ca).
Arsenic: Not more than 3 mg/kg.
Fluoride: Not more than 0.0075%.
Lead: Not more than 2 mg/kg.
Loss on Ignition: Not more than 10.0%.

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