Mono Acid Calcium Phosphate


manufacturer India

Molecular Formula : Ca(H2 PO4 )2 .2H2O

CAS Number : 7758-23-8

11.2 Physical and chemical Properties :

Appearance: White powder, no agglomeration

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USES

IN FOOD INDUSTRY:
The most important use of the 

MONOCALCIUM PHOSPHATE

 in the food industry is as the acid component in the baking powders.

A baking powder is defined as the mixture of materials capable to evolve gas in dough preparations, under certain conditions of humidity and temperature, once the gas is present , it expands, increasing the dough volume in such a way that the product has to form many empty cells once baked, due to the presence of Sodium Bicarbonate in the baking powder formulations. The gas evolved is Carbon Dioxide.

If it is used a baking powder having only Sodium Bicarbonate, the final product is yellowish, will have high pH, and it will not be so fluffy as when using with MONOCALCIUM PHOSPHATE. In the present, the baking powder formulations have a mix of acids or leavening agents, to promote a controlled Carbon Dioxide evolution along the baking cycles, since the dough preparation, to the final part in the oven.

The MONOCALCIUM PHOSPHATE also works as a pH regulator in the baked product, due to the resulting buffer salts from the fermentation process.

A typical double action baking powder may have 12 % of MONOCALCIUMPHOSPHATE, 30 % of Sodium Bicarbonate, 23 % of Sodium Aluminum Sulfate, 35 % of Corn Starch.

The MONOCALCIUM PHOSPHATE is also used in the preparation of Phosphated flour, prepared flours and other mixes.

The MONOCALCIUM PHOSPHATE is used in the powder drinks preparations.

IN GENERAL:
The MONOCALCIUM PHOSPHATE is used as fertilizer complement, in the opaque glass manufacture, and in the paint preparations for steel enamels. It is also used in the balanced mixes of feed formulas.

Monocalcium phosphate is a chemical compound with the formula Ca(H2PO4)2. It is commonly found as the monohydrate, Ca(H2PO4)2·H2O.

Uses :
Fertilizer
Phosphorus is an essential nutrient and therefore is a common component of agricultural fertilizers. Tricalcium phosphate Ca3(PO4)2, a major component of phosphate rock such as phosphorite,[1] apatite, and otherphosphate minerals, is too insoluble to be an efficient fertilizer. Therefore it can be converted into the more soluble monocalcium phosphate, generally by the use ofsulfuric acid H2SO4. The result is hydrated to turn the calcium sulfate into the dihydrate gypsum and sold assuperphosphate of lime. Alternately phosphate rock may be treated with phosphoric acid to produce a purer form of monocalcium phosphate and is sold as triple phosphate.

The active ingredient of the product, monocalcium phosphate, is identical to that of superphosphate, but without the presence of calcium sulfate that is formed if sulfuric acid is used instead of phosphoric acid. The phosphorus content of triple superphosphate (17 - 23% P; 44 to 52% P2O5) is therefore greater than that of superphosphate (7 - 9.5% P; 16 to 22% P2O5). Triple superphosphate was the most common phosphate (P) fertilizer in the USA until the 1960s, when ammonium phosphates became more popular. It is produced in granular and nongranular form and is used both in fertilizer blends (with potassium and nitrogen fertilizers) and by itself.
Leavening agent
Calcium dihydrogen phosphate is also used in the food industry as a leavening agent to cause baked goods to rise. Because it is acidic, when combined with an alkali ingredient – commonly sodium bicarbonate (baking soda) or potassium bicarbonate – it reacts to produce carbon dioxide and a salt. The carbon dioxide gas is what leavens the baked good. When combined in a ready-made baking powder, the acid and alkali ingredients are included in the right proportions such that they will exactly neutralize each other and not significantly affect the overall pH of the product.
Apart from acting as leavening agent, it also inhibits microbial activity because of the phosphate ions present in the molecule

References: answers.com