89140-32-9
Product Name:
Sodium dihydrogen phosphate
Formula:
H2NaO4P
Synonyms:
Sodium biphosphate;Sodium dihydrogen phosphate
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CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Dry Powder; Dry Powder, Liquid; Dry Powder, Other Solid; Dry Powder, Pellets or Large Crystals; Liquid; NKRA; Other Solid; Pellets or Large Crystals |
|---|---|
| Color/Form | Colorless, monoclinic crystals |
| Odor | Odorless |
| Melting Point | Decomposes at 75 |
| Solubility | 121 g/L |
| Density | 2360 kg/cu m |
| Decomposition | When heated to decomp ... emits toxic fumes of phosphoxides and sodium oxide. |
| pH | Between 4,1 and 5,0 (1 % solution) |
| Dissociation Constants | The pKa of monosodium phosphate is 6.8-7.2 (depending on the physicochemical characteristics during pKa determination) |
| Other Experimental Properties | SOLN PRODUCES EFFERVESCENCE WITH SODIUM CARBONATE; NEUTRAL, OR PRACTICALLY NEUTRAL, TO METHYL ORANGE TEST SOLN /SODIUM DIHYDROGEN PHOSPHATE MONOHYDRATE/ |
| Chemical Classes | Metals -> Phosphates, Metallic Salts |
COMPUTED DESCRIPTORS
| Molecular Weight | 119.977 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 119.95883982 g/mol |
| Monoisotopic Mass | 119.95883982 g/mol |
| Topological Polar Surface Area | 80.6 Ų |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Complexity | 61.9 |
| 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 | 2 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Sodium dihydrogenphosphate is a sodium phosphate.