Calcium hydrogen phosphate is an inorganic compound with the chemical formula CaHPO4. It is a white crystalline powder that is easily soluble in dilute hydrochloric acid, dilute nitric acid, and acetic acid, slightly soluble in water, and insoluble in ethanol. It is mainly used as a food additive.
It is widely use in many fields like the following:
As a food additive, calcium hydrogen phosphate can be used as a fortifier (to supplement calcium) and leavening agent. It is widely used in biscuits, infant formula foods, and can also be used as a quality improver in fermented flour products.
As a calcium supplement preparation: Calcium hydrogen phosphate contains a large amount of calcium element, which can effectively supplement the calcium needed by the human body after consumption, prevent and treat diseases related to calcium deficiency, such as osteoporosis, rickets, etc.
Other medical uses: Calcium hydrogen phosphate can also assist in the treatment of some calcium metabolism related diseases, such as hypocalcemia caused by kidney disease, and is also suitable as a calcium supplement for menopausal women, elderly patients, and other populations.
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Feature of Dicalcium phosphate powder:
- Physical and chemical properties: White crystalline powder, odorless and tasteless, slightly soluble in water, easily soluble in dilute hydrochloric acid, dilute nitric acid, acetic acid, insoluble in ethanol. Density 2.306g/cm ³ (16 ℃), boiling point 158 ℃.
- Widely used: mainly used as a food additive, it can also be used as a feed mineral additive, which can accelerate the growth and development of livestock and poultry, improve breeding and survival rates, and enhance disease and cold resistance.
- Good stability: Stable in air, loses crystalline water and becomes anhydrous when heated to 75 ℃, and becomes pyrophosphate at high temperatures. If used and stored according to specifications, it will not decompose.
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Specification of Dicalcium phosphate powder:
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TEM |
STANDARD |
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APPEARANCE |
White or slightly yellowish powder |
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Total phosphorus (P) |
≥19.0% |
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Citrate soluble phosphorus |
≥16.0% |
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Water soluble phosphorus (P) |
≥8.0% |
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Calcium |
≥15.0% |
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Fluorine |
≤1800 mg/kg |
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Arsenic |
≤20 mg/kg |
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Lead |
≤30 mg/kg |
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Cadmium |
≤10 mg/kg |
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Chromium |
≤30 mg/kg |
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Free water content |
≤4.0% |
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Fineness (passing through a 0.5mm test sieve) |
≥95% |
Production of Dicalcium phosphate powder:
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