Pyrophosphoric acid
SIGALD/433314 - technical grade
Synonym: Diphosphoric acid
CAS Number: 2466-09-3
Empirical Formula (Hill Notation): H4O7P2
Molecular Weight: 177.98
EC Number: 219-574-0
MDL Number: MFCD00011343
Linear Formula: (HO)2P(O)OP(O)(OH)2
Product Type: Chemical
| assay | ≥94% (by NaOH, titration) |
| form | liquid |
| solid | |
| waxy solid | |
| grade | technical grade |
| impurities | ≥20% H3PO4 |
| InChI | 1S/H4O7P2/c1-8(2,3)7-9(4, |
| InChI key | XPPKVPWEQAFLFU-UHFFFAOYSA |
| Quality Level | 200  |
| SMILES string | OP(O)(=O)OP(O)(O)=O |
| technique(s) | ion chromatography: suitable |
| Application: | Pyrophosphoric acid (diphosphoric acid) may be used in the following processes: • As chemical activator in the preparation of activated carbon from leather waste. • To modify the surface of calcium hydroxyapatite in order to improve the surface functionality. • To modify the surface strontium aluminate nanoparticles potential applications in super-long time in vivo imaging. • Synthesis of bis(diisopropylammonium) dihydrogendiphosphate trihydrate (DIPAP). • Synthesis of novel 3-methoxybenzylammonium cation diphosphate. |
| Packaging: | 100, 500 g in poly bottle |
| Symbol |   GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H302 - H314 |
| Precautionary statements | P280 - P305 + P351 + P338 - P310 |
| Hazard Codes | C |
| Risk Statements | 22-34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 3260 8 / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥94% (by NaOH, titration) |
| UNSPSC | 12352106 |