| Monosodium phosphate | |
|---|---|
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| IUPAC name |
Sodium dihydrogen phosphate
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| Identifiers | |
| CAS number | 7558-80-7  |
| PubChem | 23672064 |
| Properties | |
| Molecular formula | NaH2PO4 |
| Molar mass | 119.98 g/mol |
| Appearance | White powder or crystals |
| Solubility in water | soluble |
| Hazards | |
| EU Index | Not listed |
| Flash point | Non-flammable |
| Related compounds | |
| Other cations | Monopotassium phosphate Monoammonium phosphate |
| Related compounds | Disodium phosphate Trisodium phosphate |
| (what is this?) (verify) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
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| Infobox references | |
Monosodium phosphate (NaH2PO4), also known as anhydrous monobasic sodium phosphate is a chemical compound of sodium with a phosphate counterion. It is used as a laxative and, in combination with other sodium phosphates, as a pH buffer.
The pKa is 7.20. The sodium chloride equivalent value, or E-Value, is 0.49. It is soluble in 4.5 parts water. It is most commonly available as colorless crystals or a white powder. It is insoluble in alcohol.
It is said to rebuild teeth.
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