Calcium pyrophosphate

Calcium pyrophosphate

Chembox new
ImageFile=calcium pyrophosphate.pngImageSize=200px
IUPACName=Dicalcium phosphonato phosphate
OtherNames=Calcium diphosphate
Section1= Chembox Identifiers
CASNo=7790-76-3
PubChem=24632
SMILES= [O-] P(=O)( [O-] )OP(=O)( [O-] ) [O-] . [Ca+2] . [Ca+2]
MeSHName=Calcium+pyrophosphate
Section2= Chembox Properties
Formula=Ca2O7P2
MolarMass=254.099
Appearance=
Density=3.09 g/cm3
MeltingPt=1230
BoilingPt=
Solubility=Insoluble in cold water
Section3= Chembox Hazards
MainHazards=
FlashPt=
Autoignition=

Calcium pyrophosphate (Ca2O7P2) is a chemical compound that can be formed by the reaction of pyrophosphoric acid and a calcium base or by strongly heating calcium hydrogen orthophosphate or calcium ammonium orthophosphate.

It is commonly used as a mild abrasive agent in toothpastes.

Deposition of CPPD in articular joints causes an arthritis condition called pseudogout.

ee also

* Calcium pyrophosphate deposition disease


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Look at other dictionaries:

  • calcium pyrophosphate — the pyrophosphate salt of calcium, Ca2O7P2, used as a polishing agent in dentifrices. Crystals of the dihydrate form occur in the joints in calcium pyrophosphate deposition disease …   Medical dictionary

  • calcium pyrophosphate arthropathy — calcium pyrophosphate deposition disease …   Medical dictionary

  • calcium pyrophosphate dihydrate (CPPD) crystals — microscopic crystals of calcium pyrophosphate dihydrate occurring in the synovial fluid in calcium pyrophosphate deposition disease …   Medical dictionary

  • calcium pyrophosphate deposition disease — (CPDD) an acute or chronic inflammatory arthropathy caused by deposition of calcium pyrophosphate dihydrate (CPPD) crystals in the joints and characterized by chondrocalcinosis and the presence of the crystals in synovial fluid (see also… …   Medical dictionary

  • calcium pyrophosphate dihydrate deposition disease — noun A medical condition, also called pseudogout or CPPD, which resembles gout but results from precipitation of crystals in the joints by a different compound …   Wiktionary

  • Pyrophosphate — Pyrophosphate …   Wikipedia

  • pyrophosphate arthropathy — calcium pyrophosphate deposition disease (q.v.), particularly the structural joint changes that occur in the disease …   Medical dictionary

  • calcium phosphate — noun a phosphate of calcium; a main constituent of animal bones • Hypernyms: ↑phosphate, ↑orthophosphate, ↑inorganic phosphate * * * noun 1. : an orthophosphate of calcium: as a. : one of the three simple orthop …   Useful english dictionary

  • Pyrophosphate de sodium — Général …   Wikipédia en Français

  • Calcium phosphate — is the name given to a family of minerals containing calcium ions (Ca2+) together with orthophosphates (PO43 ), metaphosphates or pyrophosphates (P2O74 ) and occasionally hydrogen or hydroxide ions. Seventy percent of bone is made up of… …   Wikipedia

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