H5WVD9LZUD 7758-16-9 Diphosphoric acid, disodium salt Disodium dihydrogen pyrophosphate Disodium pyrophosphate SAPP Disodium dihydrogenpyrophosphate Pyrophosphoric acid, disodium salt Diphosphoric acid, sodium salt (1:2) Dinatriumpyrophosphat [German] Disodium acid pyrophosphate Disodium dihydrogen diphosphate Disodium diphosphate EINECS 231-835-0 HSDB 377 Sodium pyrophosphate (Na2H2P2O7) Dinatriumpyrophosphat UNII-H5WVD9LZUD EC 231-835-0 Sodium acid pyrophosphate CAS 7758-16-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 7758-16-9 |
| Molecular Formula | H2O7P2 2*Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies H5WVD9LZUD 7758-16-9 Diphosphoric acid, disodium salt Disodium dihydrogen pyrophosphate Disodium pyrophosphate SAPP Disodium dihydrogenpyrophosphate Pyrophosphoric acid, disodium salt Diphosphoric acid, sodium salt (1:2) Dinatriumpyrophosphat [German] Disodium acid pyrophosphate Disodium dihydrogen diphosphate Disodium diphosphate EINECS 231-835-0 HSDB 377 Sodium pyrophosphate (Na2H2P2O7) Dinatriumpyrophosphat UNII-H5WVD9LZUD EC 231-835-0 Sodium acid pyrophosphate (CAS 7758-16-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: H2O7P2 2*Na. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | H2O7P2 2*Na |
| Molecular Weight | 198.95 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1959 |
Recommended Standards
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- Insulin Degludec Impurity 17 (CAS CATO-C4X-215717)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com