Monosodium phosphate
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Monosodium phosphate (NaH2PO4), also known as anhydrous monobasic sodium phosphate, 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.
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