|Jmol-3D images||Image 1|
|Molar mass||119.98 g/mol|
|Appearance||White powder or crystals|
|Solubility in water||59.9 g/100 mL (0°C)|
|EU Index||Not listed|
|Other cations||Monopotassium phosphate
|Related compounds||Disodium phosphate
| (what is: / ?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Monosodium phosphate (NaH2PO4), also known as anhydrous monobasic sodium phosphate and sodium dihydrogen 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 6.8-7.2 (depending on the physicochemical characteristics during pKa determination). 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 also formed when a sodium halide compound reacts with phosphoric acid.
- Salaun, F.: "Influence of mineral environment on the buffering capacity of casein micelles", "Milchwissenschaft", 62(1):3
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