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Calcium dihydrogen phosphate (also called mono-calcium orthophosphate) Ca(H₂PO₄)₂ is a chemical compound. It is commonly found as the monohydrate, Ca(H₂PO₄)₂·H₂O, which releases a water molecule before it melts at 109 °C. It decomposes at 203 °C. 

 Fertilizer 

 Phosphorus is an important nutrient and so is a common component of fertilizers. Phosphate Rock, Ca₃(PO₄)₂ is available but is too insoluble to be an efficient fertilizer. Therefore it is frequently converted into the more soluble calcium dihydrogen phosphate, generally by the use of Sulfuric acid  is hydrated to turn the calcium sulfate into the dihydrate gypsum and as superphosphate of lime”Ca₃(PO₄)₂ + 4 H₂SO₄ + 2 H₂O → 2 CaSO₄·2H₂O + Ca(H₂PO₄)₂·H₂O Alternately phosphate rock may be treated with phosphoric acid to produce a purer form of calcium dihydrogen phosphate and is sold as “triple phosphate”.Ca₃(PO₄)₂ + 4 H₃PO₄ → 3 Ca(H₂PO₄)₂ 

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.

It is of no need to account the function and using ways of Choline Chloride here, since it is well known as one of the irreplaceable vitamin additives of livestock breeding. Profit-oriented manufacturers cast about faking Choline Chloride, there seems to be endless ways and means. Meanwhile, combat against the faking never stops with updating methods.As an honest and creditable manufactory, we sum up several possibilities as following: Blank assay or low assay Some other substances replace CC with disturbing the test result. This is adored by most of diminutives, selling theirs with a excessively low price.Illegal manufacturers as well as exporters deceive clients and mislead them to accept that there are 2 kinds of standard Choline Chloride by $400-500 margin. So-low price blinds a lot of innocents and unwittings, consumers didn’t wake up to see how little Choline Chloride in their buyings.Notice: there is one and only one standard Choline Chloride. Faking makes tiny effect or even none to your animals’ growth. 48%, 58%: get away with short measuresTo guarantee quality, standard manufactories usually start production with a slightly higher-ratio content than the standard. However, it is difficult for some aged sweeping factories to survive with an old technology and high cost. To compete with others, they can’t help thinking about decreasing the content of their product. Of course, it is only 1.5%~2% (equals to $20~$30) which can be regarded as a tiny gap tested by clients, since this can be chicaned by so-called acceptable testing difference. But clients will never make a higher-content test mistake with this kind of cheating.Consumers can distinguish these suppliers by improving self-capacity of testing or commit a third authorized party to do the job. Poor raw material With industrial byproduct, some manufactories decrease several hundred cost and support competitive price to clients. In fact, the products contain much invisible chemical residues, such as Heavy Metals, Benzene, Dioxin and so on. Even manufacturers themselves may not find this until something happen with our end-users.Ignoring morality, they get extra profits by damaging the health of human beings. We can’t debunk this harm unless using advanced equipments to analyze the product; and we can’t assure raising animals with a product unless we come to visit the manufactories and follow the production.

1.     Computerized production process under ISO/HACCP/FAMI-QS2.     Strictly-controlled system of raw materials to avoid the source of pollution3.     Advanced inspection and testing meanings and ways to ensure the quality You are kindly requested to attend us, to oppose illegal profits by deception; to promote legislation, to establish a reliable supplying security system; to protect the long-term interests of enterprises and to insure the continuation of the earth. Nanjing Head OfficeP.O.Box. 139 Gulou Post Office Nanjing, 210008 ChinaTel.: ++86 25 8471 2602 / 8471 2603Fax: ++86 25 8470 9922Email:business@be-long.com.cnSite:http://www.be-longgroup.com/choline_chloride.htm    http://www.be-long.com/

1 Description
Dicalcium Phosphate (DCP), it is produced from phosphate rock and contains no animal products. It promotes the growth of livestock and poultry and can prevent the animal from diseases such as rickets, anemia and osteomaladcia etc. and improves the quality of the meat and eggs.

2 Features
It is a neutral, white, tasteless and odorless product either in granular of crystal powder. Its molecular formula is CaHPO4 2H2O with weight of 172.08. bulk density is around 750-1000kg/m3. It is easily soluble in weak alid solute such as dilutee nitric acid and dilutee acetic acid but has low solubility in cool water and solute in alcohol. It has little absorption to moisture and is normally not get lumping under normal storage conditions. It contains 2 molecules of crystal water which promotes the digestibility but shall loss when heated to above 90 C. It is reasonable ratio between phosphor and calcium contents and high purity due to its special wet process which removes most of the impurities brought by the raw material and the residual content of fluorine, arsenic, and other metals is very small.

3 Usages
As feed additive for supplemental nutriment of phosphor and calcium.

4 Packing, storage and transportation and testing
In plastic(PP) woven bag with plastic lining for 50 kg.
Strong sunlight and rain must be avoided during transportation.
To be stored in shed, cool place with natural ventilation.
Shelr-life to be no more than one year.
Testing accords to HG2636-2000.

5 Safety precautions
No special actions needed during handling due to its stale chemical property.

Dicalcium phosphate, also known as calcium monohydrogen phosphate, is a dibasic calcium phosphate. It is usually found as the dihydrate, with the chemical formula of CaHPO₄ • 2H₂O, but it can be thermally converted to the anhydrous form. It is practically insoluble in water, with asolubility of 0.02 g per 100 mL at 25 °C. It contains about 23 percent calcium in its anyhydrous form, and is mainly used as a  dietare supplement in prepared breakfast cereals, enriched flour, and noodle products. It is also used as a tableting agent  in some pharmaceutical preparations. It is used as a feed for poultry.

Monocalcium phosphate is manufactured from specifically prepared (defluorinated) wet-process phosphoric acid and calcite raw materials. Monocalcium phosphate is used as a feed additive and as a supplement to birds and poultry feeds. This product supplements the feed ratio by phosphorus and calcium – mineral elements so important for formation of steady bones, normal functioning of energy, albumen metabolism, reproduction, neural and immunity systems. Mineral feed additive of such composition is especially beneficial for herbivorous animals.

In spite of its industry-wide use, Dicalcium Phosphate (DCP）:

• is non-hygroscopic by nature (will not absorb water).  This makes it nearly “insoluble” by those with a limited supply of hydrochloric acid (HCl).   When sufficient HCl is present, the  tablets will break down; however, they can contribute to soft tissue calcification.
• contains inorganic calcium; not the best sources of the element.
• is cited as a possible cause of kidney stones
• is an alkalizer which could neutralize hydrochloric acid and conceivably hinder the absorption of minerals.
• is a mineral antagonist, particularly with such elements as manganese.

The most common kidney stones are made of calcium oxalate, a hard salt compound, or calcium oxalate mixed with calcium phosphate.  It appears that 70 to 80 percent of kidney stones are made of these calcium salts.  In The Kidney Stones Handbook, author Gail Colomb mentions that taking calcium-based supplements can increase the chance of stone formation in some people.

Mined from deposits within the earth’s crust, calcium phosphate is known by many synonyms such as “lime,” “hardware lime,” “calcium lime” or “dolomite.”  Mixed samples of the substance may have a high percentage of impurities imbedded in them which may be harmful.  For instance, one of the compounds found in Dicalcium Phosphate （DCP） may be lead.  Dolomite, in particular, has been singled out as containing a high percentage of lead.While we refer to Dicalcium Phosphate DCP as Di-Calcium Phosphate, the term is used broadly to include all forms of calcium phosphate.  Some deposits may be slightly higher proportionately as regards to particular ingredients.  Whatever the differences, all are considered forms of calcium phosphate and act metabolically in a similar manner.