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Properties
General Name
Tricalcium phosphate
[Chemical formula
[Calcium3([phosphate)2
[color
White amorphous powder
Physical [Atomic weight
310.18 g/mol
[Melting point
Liquifies under high pressure at 1670 [kelvin (1391 [celsius)
[Boiling point
''N/A''
[Density
3.14 ×103 [kilogram/[metre3
[Solubility
0.002 [gram in 100g water
Thermochemistry [Standard enthalpy change of formation
-999.8 [joule/[mole (unit)
ΔfH0solid
-982.3 kJ/mol (alpha form)
-984.9 kJ/mol (beta form)
[Standard molar entropy
57.58 J/(mol·K) (alpha form)
56.4 J/(mol·K) (beta form)
Safety Ingestion
Causes irritation to the gastrointestinal tract.
Inhalation
Causes irritation to the respiratory tract.
Skin
May cause skin irritation.
Eyes
May cause irritation and damage to the cornea.
More info
Hazardous Chemical Database
Système International d'Unités units were used where possible. Unless otherwise stated, Standard temperature and pressure conditions were used.Inorganic table information
Tricalcium phosphate is a
Compound (chemistry) with formula Ca3(PO4)2. It is also known as
calcium orthophosphate,
tertiary calcium phosphate,
tribasic calcium phosphate, or
"bone ash" (calcium phosphate being one of the main
combustion products of bone).
It has an alpha and a beta crystal form, the alpha state being formed at high temperatures. As rock, it is found in Whitlockite.
Related salts
{||
Dicalcium phosphate ] || Ca(H2PO4)2 (also calcium dihydrogen phosphate)|-|
Calcium pyrophosphate || Ca2P2O7 (occurs as alpha, beta and gamma phases)|}
General case
In
minerals, "calcium phosphate" refers to minerals containing calcium ions (Ca2+) together with orthophosphates (PO43-), metaphosphates or pyrophosphates (P2O74-) and occasionally hydrogen or hydroxide ions.
Especially, the common mineral apatite has formula Ca5(PO4)3
X, where
X is
Fluoride, Chloride,
Hydroxide, or a mixture; it is hydroxyapatite if the extra ion is mainly hydroxide. Much of the "tricalcium phosphate" on the market is actually powdered hydroxyapatite.
Natural occurrence
It is found in nature as a rock in
Morocco, Israel,
Egypt, and
Kola peninsula (
Russia) and in smaller quantities in some other countries. The natural form is not completely pure, and there are some other components like sand and lime which can change the composition. In terms of P2O5, most calcium phosphate rocks have a content of 30% to 40% P2O5 in weight.
The skeletons and teeth of vertebrate animals are composed of calcium phosphate, mainly hydroxylapatite.
Uses
Tricalcium phosphate is used in powdered spices as an anti-caking agent.
Calcium phosphate is an important raw material for the production of
phosphoric acid and fertilizers, for example in the
Nitrophosphate process.
Calcium phosphate is also a raising agent (food additives) E341. Is a mineral salt found in rocks and bones, it is used in cheese products.
It is also used as a
nutritional supplement. There is some debate about the different bioavailability of the different calcium salts.
It is commonly used in porcelain and dental powders, and medically as an antacid or calcium supplement, although
calcium carbonate is more common in this regard.
Another practical application of the compound is its use in gene
transfection. The calcium ions can make a Cell (biology)
Competence (biology) (a euphemism for "rip holes in its cell membrane") to allow exogenous genes to enter the cell by diffusion. A heat shock afterwards then invokes the cell to repair itself. This is a quick and easy method for
transfection, albeit a rather inefficient one.
Properties
General Name
Tricalcium phosphate
[Chemical formula
[Calcium3([phosphate)2
[color
White amorphous powder
Physical [Atomic weight
310.18 g/mol
[Melting point
Liquifies under high pressure at 1670 [kelvin (1391 [celsius)
[Boiling point
''N/A''
[Density
3.14 ×103 [kilogram/[metre3
[Solubility
0.002 [gram in 100g water
Thermochemistry [Standard enthalpy change of formation
-999.8 [joule/[mole (unit)
ΔfH0solid
-982.3 kJ/mol (alpha form)
-984.9 kJ/mol (beta form)
[Standard molar entropy
57.58 J/(mol·K) (alpha form)
56.4 J/(mol·K) (beta form)
Safety Ingestion
Causes irritation to the gastrointestinal tract.
Inhalation
Causes irritation to the respiratory tract.
Skin
May cause skin irritation.
Eyes
May cause irritation and damage to the cornea.
More info
Hazardous Chemical Database
Système International d'Unités units were used where possible. Unless otherwise stated, Standard temperature and pressure conditions were used.
Inorganic table informationTricalcium phosphate is a Compound (chemistry) with formula Ca3(PO4)2. It is also known as
calcium orthophosphate,
tertiary calcium phosphate,
tribasic calcium phosphate, or
"bone ash" (calcium phosphate being one of the main combustion products of bone).
It has an alpha and a beta crystal form, the alpha state being formed at high temperatures. As rock, it is found in
Whitlockite.
Related salts
{||
Dicalcium phosphate ] || Ca(H2PO4)2 (also calcium dihydrogen phosphate)|-|
Calcium pyrophosphate || Ca2P2O7 (occurs as alpha, beta and gamma phases)|}
General case
In
minerals, "calcium phosphate" refers to minerals containing calcium ions (Ca2+) together with orthophosphates (PO43-), metaphosphates or pyrophosphates (P2O74-) and occasionally hydrogen or hydroxide ions.
Especially, the common mineral
apatite has formula Ca5(PO4)3
X, where
X is Fluoride,
Chloride, Hydroxide, or a mixture; it is
hydroxyapatite if the extra ion is mainly hydroxide. Much of the "tricalcium phosphate" on the market is actually powdered hydroxyapatite.
Natural occurrence
It is found in nature as a rock in Morocco, Israel,
Egypt, and Kola peninsula (
Russia) and in smaller quantities in some other countries. The natural form is not completely pure, and there are some other components like sand and lime which can change the composition. In terms of P2O5, most calcium phosphate rocks have a content of 30% to 40% P2O5 in weight.
The skeletons and teeth of vertebrate animals are composed of calcium phosphate, mainly hydroxylapatite.
Uses
Tricalcium phosphate is used in powdered spices as an anti-caking agent.
Calcium phosphate is an important raw material for the production of phosphoric acid and fertilizers, for example in the
Nitrophosphate process.
Calcium phosphate is also a raising agent (food additives) E341. Is a mineral salt found in rocks and bones, it is used in cheese products.
It is also used as a
nutritional supplement. There is some debate about the different
bioavailability of the different calcium salts.
It is commonly used in porcelain and dental powders, and medically as an
antacid or calcium supplement, although calcium carbonate is more common in this regard.
Another practical application of the compound is its use in gene
transfection. The calcium ions can make a Cell (biology) Competence (biology) (a euphemism for "rip holes in its cell membrane") to allow exogenous
genes to enter the cell by diffusion. A heat shock afterwards then invokes the cell to repair itself. This is a quick and easy method for
transfection, albeit a rather inefficient one.
Firming Agents
Synthetic tricalcium phosphate is added to table salt, sugar, baking powder and fertilisers to give a 'free-flowing' quality. It is prepared from naturally derived calcium ...
Tricalcium phosphate - Wikipedia, the free encyclopedia
Tricalcium phosphate is a compound with formula Ca 3 (PO 4) 2. It is also known as calcium orthophosphate, tertiary calcium phosphate, tribasic calcium phosphate, or "bone ash ...
Calcium phosphate - Wikipedia, the free encyclopedia
Ca(H 2 PO 4) 2; Calcium hydrogen phosphate, E341(ii): CaHPO 4; Tricalcium phosphate (or tricalcic phosphate), E341(iii): Ca 3 (PO 4) 2. Calcium phosphate Ca 3 (PO 4) 2
TRICALCIUM PHOSPHATE
tricalcium phosphate. product identification. cas no. 7758-87-4: einecs no. 231-840-8
Journal of Materials Chemistry Articles
Effect of thermal treatments on the reactivity of nanosized tricalcium phosphate powders. Marc Bohner, Tobias J. Brunner, Nicola Doebelin, Ruikang Tang and Wendelin J.
CALCIUM PHOSPHATE TRIBASIC
1. Product Identification Synonyms: Tricalcium phosphate; Calcium hydroxy apatite; hydroxyapatite, Precipitated Calcium Phosphate.
Importer Information Note - Products - Hydrolysed protein, dicalcium ...
Importer Information Note on conditions of import for hydrolysed protein, dicalcium phosphate and tricalcium phosphate not intended for human consumption to be used as feed ...
Sintering tricalcium phosphate particles - Fez
Determine appropriate sintering stage, approximate sintering time, and neck growth scaling for sintering tricalcium phosphate particles for bone implant applications.
Tricalcium-phosphate and hydroxyapatite bone-graft extender for use in ...
Tricalcium-phosphate and hydroxyapatite bone-graft extender for use in impaction grafting revision surgery AN IN VITRO STUDY ON HUMAN FEMORA E.
Definition: tribasic calcium phosphate from Online Medical Dictionary
The Online Medical Dictionary is a searchable dictionary of definitions from medicine, science and technology.
