7790-76-3
Product Name:
CALCIUM PYROPHOSPHATE
Formula:
Ca2O7P2
Synonyms:
ACP;Dicalcium pyrophosphate
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CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Dry Powder |
|---|---|
| Color/Form | Polymorphous crystals or powder |
| Melting Point | 1353 °C |
| Solubility | Insoluble in water. Soluble in dilute hydrochloric and nitric acids |
| Density | 3.09 |
| Decomposition | WHEN HEATED TO DECOMP, CAN EMIT HIGHLY TOXIC FUMES OF /PHOSPHORUS OXIDES/. /PHOSPHATES/ |
| pH | Between 5,5 and 7,0 (10 % suspension in water) |
| Refractive Index | INDEX OF REFRACTION: 1.585, 1.604 |
| Chemical Classes | Metals -> Phosphates, Metallic Salts |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
COMPUTED DESCRIPTORS
| Molecular Weight | 254.10 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 0 |
| Exact Mass | 253.8371080 g/mol |
| Monoisotopic Mass | 253.8371080 g/mol |
| Topological Polar Surface Area | 136 Ų |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Complexity | 124 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 3 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Calcium diphosphate is a calcium phosphate. It contains a diphosphate(4-).