Potassium Phosphates Injection, USP, a phosphorus replacement product containing phosphorus 3 mmol/mL and potassium 4.4 mEq/mL. It is a sterile, non-pyrogenic, concentrated solution containing a mixture of monobasic potassium phosphate and dibasic potassium phosphate in water for injection. It is supplied as 15 mL single-dose vials.
Monobasic Potassium Phosphate is chemically designated KH2PO4, molecular weight 136.09, white, odorless crystals or granules freely soluble in water.
Dibasic Potassium Phosphate is chemically designated K2HPO4, molecular weight 174.18, colorless or white granular salt freely soluble in water.
Each mL contains 224 mg of monobasic potassium phosphate and 236 mg of dibasic potassium phosphate.
Each mL contains 3 mmol phosphorus (equivalent to 93 mg phosphorus) and 4.4 mEq potassium (equivalent to 170 mg of potassium). Note: 1 mmol of phosphorus is equal to 1 mmol phosphate. The pH is 6.0 to 7.0.
This product contains no more than 900 mcg/L of aluminum [see Warnings and Precautions (5.5)].
The osmolarity is 7.4 mOsmol/mL (calc).
The solution is administered after dilution or admixing by the intravenous route.
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