| CAS No. | 7558-79-4 |
| Molecular Formula | HO4P |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 22ADO53M6F 7558-79-4 Natriumphosphat Phosphoric acid, disodium salt UNII-22ADO53M6F Sodium phosphate, dibasic (anhydrous) Disodium hydrogen phosphate, anhydrous Disodium hydrophosphate Sodium phosphate, dibasic Disodium hydrogenorthophosphate Disodium phosphate Sodium phosphate Disodium hydrogen phosphate Disodium orthophosphate Disodium monohydrogen phosphate Disodium phosphate, anhydrous Disodium phosphoric acid DSP EINECS 231-448-7 Sodium phosphate, exsiccated Sodium phosphate (NaHPO4) Sodium monohydrogen phosphate (2:1:1) Acetest Caswell No. 778 CCRIS 5931 Dibasic sodium phosphate Disodium acid orthophosphate Disodium acid phosphate EPA Pesticide Chemical Code 076403 Exsiccated sodium phosphate FEMA No. 2398 FEMA Number 2398 HSDB 376 Natriumphosphat [German] Phosphate of soda secondary Sodium phosphate Soda phosphate Sodium acid phosphate, anhydrous Sodium hydrogen phosphate Sodium monohydrogen phosphate Sodium orthophosphate, secondary Fleet enema Phosphoric acid, sodium salt (1:2) EC 231-448-7 is closely related to a phosphate ester group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
22ADO53M6F 7558-79-4 Natriumphosphat Phosphoric acid, disodium salt UNII-22ADO53M6F Sodium phosphate, dibasic (anhydrous) Disodium hydrogen phosphate, anhydrous Disodium hydrophosphate Sodium phosphate, dibasic Disodium hydrogenorthophosphate Disodium phosphate Sodium phosphate Disodium hydrogen phosphate Disodium orthophosphate Disodium monohydrogen phosphate Disodium phosphate, anhydrous Disodium phosphoric acid DSP EINECS 231-448-7 Sodium phosphate, exsiccated Sodium phosphate (NaHPO4) Sodium monohydrogen phosphate (2:1:1) Acetest Caswell No. 778 CCRIS 5931 Dibasic sodium phosphate Disodium acid orthophosphate Disodium acid phosphate EPA Pesticide Chemical Code 076403 Exsiccated sodium phosphate FEMA No. 2398 FEMA Number 2398 HSDB 376 Natriumphosphat [German] Phosphate of soda secondary Sodium phosphate Soda phosphate Sodium acid phosphate, anhydrous Sodium hydrogen phosphate Sodium monohydrogen phosphate Sodium orthophosphate, secondary Fleet enema Phosphoric acid, sodium salt (1:2) EC 231-448-7 (CAS 7558-79-4), molecular formula HO4PNa and molecular weight 118.97 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a phosphate ester group, 22ADO53M6F 7558-79-4 Natriumphosphat Phosphoric acid, disodium salt UNII-22ADO53M6F Sodium phosphate, dibasic (anhydrous) Disodium hydrogen phosphate, anhydrous Disodium hydrophosphate Sodium phosphate, dibasic Disodium hydrogenorthophosphate Disodium phosphate Sodium phosphate Disodium hydrogen phosphate Disodium orthophosphate Disodium monohydrogen phosphate Disodium phosphate, anhydrous Disodium phosphoric acid DSP EINECS 231-448-7 Sodium phosphate, exsiccated Sodium phosphate (NaHPO4) Sodium monohydrogen phosphate (2:1:1) Acetest Caswell No. 778 CCRIS 5931 Dibasic sodium phosphate Disodium acid orthophosphate Disodium acid phosphate EPA Pesticide Chemical Code 076403 Exsiccated sodium phosphate FEMA No. 2398 FEMA Number 2398 HSDB 376 Natriumphosphat [German] Phosphate of soda secondary Sodium phosphate Soda phosphate Sodium acid phosphate, anhydrous Sodium hydrogen phosphate Sodium monohydrogen phosphate Sodium orthophosphate, secondary Fleet enema Phosphoric acid, sodium salt (1:2) EC 231-448-7 is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 118.97 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | HO4P 2*Na |
| Molecular Weight | 118.97 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 |