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Dicalcium phosphate

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Identification
Molecular formula
CaHPO4
CAS number
7757-93-9
IUPAC name
calcium;hydrogen phosphate
State
State

At room temperature, dicalcium phosphate is typically found in a solid state, most commonly as a powder.

Melting point (Celsius)
0.00
Melting point (Kelvin)
0.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
136.06g/mol
Molar mass
136.0600g/mol
Density
2.9290g/cm3
Appearence

Dicalcium phosphate appears as a white, odorless powder or granules. It is crystalline in nature and has a slight alkaline taste.

Comment on solubility

Solubility of Calcium Hydrogen Phosphate

Calcium hydrogen phosphate, represented by the chemical formula CaH2PO4, exhibits unique solubility characteristics that are important in various applications, particularly in biological and industrial fields. Understanding its solubility can be quite enlightening:

  • Water Solubility: Calcium hydrogen phosphate is only slightly soluble in water. This means that, while some of the compound can dissolve, a significant portion remains undissolved, which is critical in formulations where constant availability is required.
  • pH Influence: The solubility of CaH2PO4 tends to increase in acidic conditions. This behavior is important because it indicates that the compound may dissolve more readily in environments with lower pH levels, such as in digestive systems.
  • Temperature Dependence: As with many ionic compounds, the solubility of calcium hydrogen phosphate can also be affected by temperature. Generally, an increase in temperature leads to increased solubility.

In summary, while calcium hydrogen phosphate does not fully dissolve in water, its solubility can be influenced by several factors, making it vital for applications such as fertilizers or nutritional supplements, where controlled solubility might be key to effectiveness. As a material with limited water solubility, it exemplifies the balance between sufficient availability and stability.

Interesting facts

Interesting Facts about Calcium Hydrogen Phosphate

Calcium hydrogen phosphate is a fascinating compound with a variety of applications in both biological and industrial fields. Here are some intriguing aspects to consider:

  • Biological Importance: This compound plays a crucial role in bone formation and overall skeletal health. It is a significant source of calcium and phosphorus, essential minerals in the human body.
  • Applications in Medicine: Known for its use in dietary supplements, calcium hydrogen phosphate is often included in formulations aimed at improving bone density and preventing osteoporosis.
  • Fertilizer Component: In agriculture, it serves as a critical ingredient in fertilizers, enriching soil with necessary nutrients to enhance plant growth.
  • Food Additive: It can also be found in various food products where it functions as an acid phosphate, aiding in the leavening process in baked goods.
  • Ceramics and Cements: This compound has utility in the manufacturing of ceramics and certain types of cements, highlighting its versatility beyond biochemical applications.

As you delve deeper into the world of calcium hydrogen phosphate, it's worth noting its historical significance as well. This compound has been studied since the early 19th century and continues to be a subject of interest in mineralogy and nutrition research.

“Calcium hydrogen phosphate: the silent architect of our bones” – a reminder of the compound's essential role in our health and well-being.


Exploring calcium hydrogen phosphate opens up a broad spectrum of interdisciplinary ties, connecting biology, agriculture, and materials science in exciting and innovative ways.

Synonyms
7757-93-9
CALCIUM HYDROGEN PHOSPHATE
Calcium phosphate dibasic
calcium hydrogenphosphate
Dicalcium phosphate
Calcium phosphate, dibasic
secondary Calcium phosphate
Biofos
Phosphoric acid, calcium salt (1:1)
Fujicalin S
Calcium phosphate (1:1)
Dicafos AN
Dicalcium orthophosphate
Calcium hydrogen orthophosphate
Ipifosc 20
A-Tab
Anhydrous Emcompress
Calcium acid phosphate
Calcium monohydrogen phosphate
Calcium dibasic phosphate
Calcium phosphate,dibasic
Calcium secondary phosphate
Calcium phosphate dibasic anhydrous
Calcium hydrogenorthophosphate
Calcium phosphate (CaHPO4)
CaHPO4
Monohydrogen calcium phosphate
CCRIS 1337
HSDB 992
Calcium phosphate, dibasic [JAN]
Anhydrous dibasic calcium phosphate
Calcium phosphate (dibasic)
EINECS 231-826-1
Calcium phosphate, dibasic, dental grade
INS-341(II)
Calcii hydrogenophosphas
L11K75P92J
E-341(II)
Calcium phosphate, dibasic, anhydrous
Calcium monohydrogen phosphate anhydrous
Calcium (as phosphate,dibasic)
INS NO.341(II)
DTXSID20872529
EC 231-826-1
CALCIUM HYDROGEN MONOPHOSPHATE
Calcium hydrogen phosphate, anhydrous
CALCIUM PHOSPHATE, DIBASIC [MI]
CALCIUM PHOSPHATE, DIBASIC [HSDB]
CALCIUM PHOSPHATE,DIBASIC [VANDF]
CALCIUM PHOSPHATE DIBASIC [WHO-DD]
DIBASIC CALCIUM PHOSPHATE ANHYDROUS
CALCIUM HYDROGEN PHOSPHATE ANHYDROUS
CALCIUM PHOSPHATE, DIBASIC ANHYDROUS
Dibasic calcium phosphate, anhydrous (JAN)
PHOSPHORUS (AS DICALCIUM PHOSPHATE)
CALCIUM PHOSPHATE (1:1) [WHO-IP]
CALCIUM (CALCIUM PHOSPHATE (DIBASIC))
CALCIUM HYDROGEN PHOSPHATE (ANHYDROUS)
CALCII HYDROGENOPHOSPHAS [WHO-IP LATIN]
CALCIUM (AS PHOSPHATE,DIBASIC) [VANDF]
ANHYDROUS DIBASIC CALCIUM PHOSPHATE [JAN]
CALCIUM HYDROGEN PHOSPHATE [EP MONOGRAPH]
CALCIUM PHOSPHATE, DIBASIC, ANHYDROUS [II]
PHOSPHORUS (AS DICALCIUM PHOSPHATE) [VANDF]
CALCIUM HYDROGEN PHOSPHATE, ANHYDROUS [WHO-IP]
ANHYDROUS DIBASIC CALCIUM PHOSPHATE [USP MONOGRAPH]
PHOSPHORUS (AS CALCIUM PHOSPHATE,DIBASIC) [VANDF]
CALCIUM HYDROGEN PHOSPHATE (EP MONOGRAPH)
CALCIUM PHOSPHATE, DIBASIC, ANHYDROUS (II)
ANHYDROUS DIBASIC CALCIUM PHOSPHATE (USP MONOGRAPH)
HYDROGEMToothpaste
CaHPO(4)
Calcarea Phosphorica 8002
DTXCID50820174
DICALCIUM PHOSPHATE [INCI]
Dibasic calcium phosphate, anhydrous
Anhydrous dibasic calcium phosphate (JP17)
Dibasic calcium phosphateDicalcium orthophosphate
PHOSPHORUS (AS CALCIUM PHOSPHATE,DIBASIC)
231-826-1
calcium hydrogen phosphate hydrate
Dibasic calcium phosphate
Monocalcium acid phosphate
Dicalcium Phosphate Anhydrous
CALCIUMPHOSPHATE,DIBASIC
MFCD00010909
calcium;hydrogen phosphate
7557-93-9
CHEBI:32596
7789-77-7 (.2H2O)
UNII-L11K75P92J
calcium resonium
Calstar (TN)
calcium monohydrogenphosphate
Dicalcium phosphate, anhydrous
CHEMBL2107567
D-Glucopyranosiduronicacid, 1-(2,4-dichlorophenyl)ethyl
Calcium phosphate dibasic, anhydrous
AKOS015965054
Calcium phosphate, dibasic (99.95%-Ca)
Calcium phosphate dibasic, 98.0-105.0%
Calcium phosphate dibasic, puriss., 98.0%
NS00075688
D03302
Calcium phosphate dibasic, USP, 98.0-103.0%
Q414619
Calcium phosphate dibasic, anhydrous, EP, USP grade
Dibasic Calcium Phosphate, meets USP testing specifications
Calcium phosphate dibasic, puriss. p.a., anhydrous, >98.5% (KT)