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Calcium phosphate

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Identification
Molecular formula
Ca3(PO4)2
CAS number
7758-87-4
IUPAC name
tricalcium;diphosphate
State
State

At room temperature, calcium phosphate is in a solid state. It is relatively stable and is often used as a source of calcium and phosphorus in various applications.

Melting point (Celsius)
1 670.00
Melting point (Kelvin)
1 943.00
Boiling point (Celsius)
1 580.00
Boiling point (Kelvin)
1 853.00
General information
Molecular weight
310.18g/mol
Molar mass
310.1800g/mol
Density
3.1400g/cm3
Appearence

Calcium phosphate is a white, odorless powder that is commonly used in a variety of applications including as a dietary supplement and in dental products. It is typically seen as a white or off-white crystalline solid.

Comment on solubility

Solubility of Tricalcium Diphosphate

Tricalcium diphosphate, with the chemical formula Ca3(PO4)2, is known for its relatively low solubility in water. Understanding the solubility characteristics of this compound can provide valuable insights into its behavior and applications in various fields.

Key Points on Solubility

  • Low Solubility: Tricalcium diphosphate exhibits low solubility in aqueous solutions, typically dissolving only to a minimal extent.
  • pH Influence: The solubility of tricalcium diphosphate can be influenced by the pH of the solution. At higher pH levels, it tends to be even less soluble.
  • Presence of Other Ions: The presence of ions such as those from acids or bases can also affect solubility, leading to potential complexation.

According to solubility principles, compounds like tricalcium diphosphate are often described as "insoluble" in practical terms due to their very low concentrations in solution. This can significantly limit their use in specific applications where higher solubility is desired. Thus, when considering tricalcium diphosphate in experimental or industrial processes, it is important to take its low solubility into account to ensure effective utilization.

Interesting facts

Interesting Facts about Tricalcium Diphosphate

Tricalcium diphosphate, often abbreviated as TCP, is a fascinating compound that plays an important role in both biological systems and industrial applications. Here are some engaging insights about this compound:

  • Biological Significance: TCP is a key mineral found in bones and teeth, providing strength and structure. It is a major component of the hard tissues in vertebrates, emphasizing its significance in the fields of biochemistry and orthopedics.
  • Industrial Use: Beyond its biological importance, tricalcium diphosphate is widely used as a food additive. It serves as a calcium supplement and enhances the texture and stability of various food products. It's often listed as E341 in food labels.
  • Role in Manufacturing: In the realm of ceramics and glass, TCP is utilized for its ability to improve the mechanical properties of materials. This makes it valuable in the production of high-strength ceramics and glass compositions.
  • Biocompatibility: As a result of its natural occurrence in the body and its non-toxic nature, tricalcium diphosphate is often explored for use in medical implants and treatments of bone-related diseases.
  • Research Frontiers: Scientific research has been delving into the potential of TCP as a biodegradable material in drug delivery systems. Its ability to slowly release calcium ions can be beneficial for targeted therapies.

In summary, tricalcium diphosphate is a compound that bridges the gap between natural biology and industrial applications. As scientists continue to explore its properties and uses, TCP remains a compound of great interest across multiple fields.

Synonyms
Calcium phosphate
Phosphoric acid, calcium salt
UNII-97Z1WI3NDX
Calcium phosphates
EINECS 233-283-6
97Z1WI3NDX
AI3-25607
calcio fosfato
TRICALCII PHOSPHAS
CALCIUM PHOSPHATE (II)
CHEBI:77635
DTXSID40893099
CALCIUM PHOSPHATE (MART.)
CALCIUM PHOSPHATE (EP IMPURITY)
CALCIUM PHOSPHATE (EP MONOGRAPH)
CALCIUM PHOSPHATE, UNSPECIFIED FORM
233-283-6
7758-87-410103-46-5
7758-87-4
TRICALCIUM PHOSPHATE
Synthos
Tricalcium diphosphate
Calcium orthophosphate
10103-46-5
Tricalcium orthophosphate
Phosphoric acid, calcium salt (2:3)
Tertiary calcium phosphate
Calcigenol simple
beta-TCP
beta-Tricalcium phosphate
Calcium tertiary phosphate
Calcium phosphate (3:2)
tricalcium;diphosphate
FEMA No. 3081
tricalcium bis(phosphate)
alpha-Tricalcium phosphate
Calciresorb;TCP
INS NO.341(III)
CHEBI:9679
INS-341(III)
E-341(III)
K4C08XP666
Bonarka
Calciumphosphate
Natural whitlockite
tri-calcium phosphate
Ceredex
Vitoss
21063-37-6
Calcium phosphate (Ca3(PO4)2)
Calcium orthophosphate, tri-(tert)
Tricalcium phosphate (Ca3(PO4)2)
MFCD00015984
Tricalcium bis(orthophosphate)
Phosphoric acid calcium(2+) salt (2:3)
Ca3(PO4)2
calcium-phosphate
alpha-TCP
tricalciumphosphate
Posture (TN)
CALCIGENOL
beta tricalcium phosphate
CHEMBL2106566
DTXSID1049803
CALCIUM PHOSPHATE [WHO-DD]
TRICALCIUM PHOSPHATE [FHFI]
PRECIPITATED CALCIUM PHOSPHATE
AKOS015833108
Phosphoric acid, calcium salt (1:?)
CX-0072
DB11348
FC41082
CALCIUM PHOSPHATE, TRIBASIC [MI]
Calcium phosphate, tribasic (ca.37% Ca)
CALCIUM PHOSPHATE, TRIBASIC [HSDB]
CALCIUM PHOSPHATE,ANHYDROUS [VANDF]
DB-230078
C3736
CS-0013475
NS00082557
C08136
D00938
Q278387
Calcium phosphate, Reagent for transient & stable DNA transfections
Tricalcium phosphate hydrate, nanopowder, <200 nm particle size (BET)
alpha-tri-Calcium phosphate, puriss. p.a., >=75% alpha-phase basis (sinterted powder)
alpha-tri-Calcium phosphate, Reagent for transient & stable DNA transfections
beta-tri-Calcium phosphate, puriss. p.a., >=95% beta-phase basis (sintered powder)
beta-tri-Calcium phosphate, puriss. p.a., >=98% beta-phase basis (sintered Powder)
beta-tri-Calcium phosphate, puriss. p.a., >=98% beta-phase basis (unsintered powder)