7758-16-9
Product Name:
Sodium pyrophosphate
Formula:
H5NaO7P2
Synonyms:
Dentin sialophosphoprotein;Disodium dihydrogen pyrophosphate;DSPP;Sodium diphosphate dibasic
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CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Dry Powder; Liquid; Other Solid; Pellets or Large Crystals |
|---|---|
| Color/Form | White crystalline powder |
| Solubility | Soluble in water |
| Density | Density: 1.86 /Hexahydrate/ |
| Decomposition | WHEN HEATED TO DECOMPISITION IT EMITS TOXIC FUMES OF PHOSPHORUS OXIDES AND Na2O. |
| pH | Between 3,7 and 5,0 (1 % solution) |
| Other Experimental Properties | Decomp @ 220 °C; water soln having acid reaction |
| Chemical Classes | Other Uses -> Food Additives |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 221.94 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 2 |
| Exact Mass | 221.90711496 g/mol |
| Monoisotopic Mass | 221.90711496 g/mol |
| Topological Polar Surface Area | 130 Ų |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Complexity | 143 |
| 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 |