ChemicalBook > CAS DataBase List > CALCIUM PYROPHOSPHATE

CALCIUM PYROPHOSPHATE

Product Name
CALCIUM PYROPHOSPHATE
CAS No.
7790-76-3
Chemical Name
CALCIUM PYROPHOSPHATE
Synonyms
CPP;CALCIUM DIPHOSPHATE;DICALCIUMDIPHOSPHATE;Calcium pyrophosphat;CALCIUM PYROPHOSPHATE;DICALCIUM PYROPHOSPHATE;CALCIUM PHOSPHATE (PYRO);calciumphosphate(ca2p2o7);Diphosphoricacid,calciumsalt;Calcium phosphate (pyro) min
CBNumber
CB3449572
Molecular Formula
Ca2O7P2
Formula Weight
254.1
MOL File
7790-76-3.mol
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CALCIUM PYROPHOSPHATE Property

Melting point:
1230 °C
Density 
3.09 g/mL at 25 °C(lit.)
solubility 
H2O: insoluble(lit.)
form 
Powder
Specific Gravity
3.09
color 
White
Odor
at 100.00?%. odorless
Water Solubility 
Soluble in hydrochloric acid and nitric acid. Insoluble in water.
LogP
-3.420 (est)
CAS DataBase Reference
7790-76-3(CAS DataBase Reference)
EPA Substance Registry System
Diphosphoric acid, calcium salt (1:2) (7790-76-3)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
WGK Germany 
3
TSCA 
Yes
HS Code 
28353100
Hazardous Substances Data
7790-76-3(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Alfa Aesar
Product number
089836
Product name
Calcium phosphate (pyro), 96% min
Packaging
1kg
Price
$76.65
Updated
2024/03/01
Alfa Aesar
Product number
089836
Product name
Calcium phosphate (pyro), 96% min
Packaging
5kg
Price
$213
Updated
2024/03/01
Strem Chemicals
Product number
93-2073
Product name
Calcium pyrophosphate (99.95%-Ca)
Packaging
25g
Price
$49
Updated
2022/04/27
Strem Chemicals
Product number
93-2073
Product name
Calcium pyrophosphate (99.95%-Ca)
Packaging
100g
Price
$189
Updated
2022/04/27
Sigma-Aldrich
Product number
693871
Product name
Calcium phosphate, amorphous
Purity
nanopowder, <150 nm particle size (BET)
Packaging
5g
Price
$178
Updated
2024/03/01
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CALCIUM PYROPHOSPHATE Chemical Properties,Usage,Production

Description

Calcium pyrophosphate has the molecular formula of Ca2P2O7 and the molecular weight of 254.1378 g/mol. It has the CAS number of 7790-76-3. It may be prepared by the solid-state reaction of the dibasic orthophosphate, or alternately by the precipitation of a soluble Ca salt with aqueous pyrophosphoric acid:
2CaHPO4 + heat ? Ca2P2O7 +H2O
CaCl2 (aq) +H4P2O7 (aq) ? Ca2P2O7 (solid) + 2HCl (aq)
The solid-state reaction produces an amorphous crystal at 240–500°C. b-Ca2P2O7 forms >750°C and a-Ca2P2O7 forms in the temperature range of 1140 to 1350°C. The free energy of formation, △Gf=-3132 kcal/mol.
The product of the aqueous method is the dihydrate, Ca2P2O7·2H2O. It is a white powder and has the CAS number of 7790-76-3. It is insoluble in water but soluble in dilute acids. The anhydrate decomposes at 1353°C to form a metaphosphate:
Ca2P2O7 + heat ? Ca(PO3)2 + CaO
Calcium pyrophosphate is dimorphic. The phase transformation and sintering behaviors of Ca2P2O7 with different phase composition has been investigated by using X-ray powder diffraction (XRD), dilatometery and SEM techniques. It was found that although α-Ca2P2O7 (high-temperature form) could be maintained during its cooling process, it was metastable and retransformed into β-Ca2P2O7 (low-temperature form) at about 950 °C during its reheating process.

Chemical Properties

white powder

Uses

Calcium Pyrophosphate is a nutrient and dietary supplement that exists as a white odorless powder, insoluble in water. it is used in dental impression materials and as a buffer.

Uses

Calcium phosphate is used in the production of phosphoric acid and fertilizers. It is used in baking as the acid in a leavening agent. It is also used in cheese products. This compound has also been used in gene transfection of cells. It is also being used in the development of contrast agents.

Definition

ChEBI: Calcium diphosphate is a calcium phosphate. It contains a diphosphate(4-).

Flammability and Explosibility

Non flammable

CALCIUM PYROPHOSPHATE Preparation Products And Raw materials

Raw materials

Preparation Products

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CALCIUM PYROPHOSPHATE Suppliers

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View Lastest Price from CALCIUM PYROPHOSPHATE manufacturers

Hebei Zhuanglai Chemical Trading Co Ltd
Product
CALCIUM PYROPHOSPHATE 7790-76-3
Price
US $45.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20 tons
Release date
2024-12-16
Hebei Weibang Biotechnology Co., Ltd
Product
CALCIUM PYROPHOSPHATE 7790-76-3
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2024-10-29
Hebei Mujin Biotechnology Co.,Ltd
Product
CALCIUM PYROPHOSPHATE 7790-76-3
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2023-11-10

7790-76-3, CALCIUM PYROPHOSPHATERelated Search:

Barium carbonate Ammonium phosphate dibasic calcium bicarbonate GLY-PHE P-NITROANILIDE Calcium hydroxyphosphate Calcium phosphate monobasic Sodium Monofluorophosphate BARIUM PYROPHOSPHATE distrontium diphosphate STRONTIUM METAPHOSPHATE Beryllium Pyrophosphate Radium Pyrophosphate Calcium phosphate Calcium Pyrophosphoric acid CALCIUM PYROPHOSPHATE Calcium pyrophosphate dihydrate

  • CALCIUM PHOSPHATE (PYRO)
  • CALCIUM PYROPHOSPHATE
  • CALCIUM DIPHOSPHATE
  • CPP
  • DICALCIUM PYROPHOSPHATE
  • calciumphosphate(ca2p2o7)
  • calciumpyrophosphate(ca2p2o7)
  • Diphosphoricacid,calciumsalt
  • diphosphoricacid,calciumsalt(1:2)
  • pyrophosphoricacid,calciumsalt(1:2)
  • pyrophosphoric acid calcium salt
  • PYROPHOSPHATE DICALCIUM PRACTICAL*GRADE: ANHYDROUS
  • CALCIUM PYROPHOSPHATE, 99.9+%
  • CALCIUM PYROPHOSPHATE, 99.98%
  • Calciumpyrophosphate(99.95%-Ca)
  • DICALCIUMPYROPHOSPHATEANHYDROUS
  • DICALCIUMDIPHOSPHATE
  • CALCIUM PYROPHOSPHATE: (99.95% CA), (PHOSPHOR GRADE)
  • CALCIUM PYROPHOSPHATE, 99.9+%, EXTRA PURE
  • Calcium pyrophosphate, extra pure
  • Diphosphoric acid α,α:β,β-dicalcium salt
  • Calcium phosphate (pyro) min
  • Calcium pyrophosphat
  • Calcium pyrophosphate, extra pure, 99.9+%
  • Calcium phosphate (pyro), 96% min
  • Calcium phosphate, amorphous
  • CalciuM phosphate, aMorphous nanopowder, <150 nM particle size (BET)
  • Calcium pyrophosphate >=99.9% trace metals basis
  • CALCIUM PYROPHOSPHATE ISO 9001：2015 REACH
  • Calcium pyrophosphate, puriss, ≥98%
  • Cellulose,carboxymethyl ether,sodium salt,crosslinked
  • 7790-76-3
  • Ca2O7P2
  • Ca2P2O7
  • Ca2O7P2H2O
  • Synthetic Reagents
  • Inorganic Salts
  • 20: Ca
  • and Other Ceramics
  • Biocompatible Ceramics
  • Biomaterials
  • Nanomaterials
  • Nanoparticles: Oxides
  • Nanopowders and Nanoparticle Dispersions
  • Nitrides
  • Calcium
  • Calcium Salts
  • Chemical Synthesis
  • Inorganic Salts
  • Materials Science
  • Metal and Ceramic Science
  • Salts
  • Synthetic Reagents
  • Inorganics
  • metal phosphate compound