Disodium pytophosphate CAS#: 7758-16-9; ChemWhat Code: 21129
Names & Identifiers |
| Product Name | Disodium pytophosphate |
| Synonyms | DisodiuM pytophospha;TwosodiuM pyrophosphatetwo hydrogen;SodiuM pyrophosphate dibasic practical grade;Amyloid Precursor Protein β, Secreted;ANTI-DSPP (N-TERM) antibody produced in rabbit;Dentin sialophosphoprotein;SODIUM PYROPHOSPHATE DIBASIC BIOULTR;Food Grade Sodium Acid Pyrophosphate |
| CAS Registry Number | 7758-16-9 |
| Molecular Formula | H2Na2O7P2 |
| Molecular Weight | 221.94 |
| EINECS | 231-835-0 |
| Other Registry Numbers | ; |
| IUPA Names, InChI, InChI Key, Canonical SMILES, etc.: | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
![]() |
|
Chemical & Physical Properties |
| Density | (hexahydrate) 1.86 |
| Storage | −70°C |
| Solubulity | H2O: 0.1 M at 20 °C, clear, Colorless |
| PH | 3.5-4.5 (20℃, 0.1M in H2O, freshly prepared) |
| Water Solubility | Fully miscible in water. Insoluble in alcohol and ammonia. |
| Merck | 13,8643 |
| Stability: | Stable. |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
| EPA Substance Registry System | Diphosphoric acid, disodium salt(7758-16-9) |
Safety & Hazards(Codes & Phrases) |
| Hazard Codes | Xi |
| R Phrase | 36 |
| S Phrase | 24/25-26 |
| WGK Germany | 2 |
| RTECS | UX6475000 |
| TSCA | Yes |
| Hazardous Substances Data | 7758-16-9(Hazardous Substances Data) |
| More Safety & Hazards From PubChem | Signal, GHS Hazard Statements, Precautionary Statement Codes, etc. |
Literature |
| Literature on PubChem | Synthesis References, Metabolite References, etc. |
Patents |
| Patents on PubChem | Related Patents Of This Product |
Transportation, Storage & Usage |
| Transportation | No Information |
| Storage | No Information |
| Usage | No Information |
Spectral Properties |
| No Information |
Buy Reagent | |
| No reagent supplier? | Send quick inquiry to ChemWhat |
| Want to be listed here as a reagent supplier? (Paid service) | Click here to contact ChemWhat |
Approved Manufacturers | |
| Want to be listed as an approved manufacturer (Requires approvement)? | Please download and fill out this form and send back to approved-manufacturers@chemwhat.com |
Other Suppliers | |
| Watson International Limited | Visit Watson Official Website |
Contact Us for Other Help | |
| Contact us for other information or services | Click here to contact ChemWhat |


