Dipotassium Phosphate
Also known as: E340ii, Dipotassium monophosphate, Secondary potassium phosphate, Dipotassium orthophosphate, E 340ii
Dipotassium phosphate is FDA GRAS under 21 CFR 182.6285 / 182.1217 and EFSA-authorized as E340(ii). Falls under EFSA's group phosphate ADI of 40 mg/kg bw/day expressed as phosphorus.
What it is
Potassium phosphate dibasic (K2HPO4); inorganic salt used as buffer, emulsifier, and nutrient.
PH buffer, sequestrant, emulsifying salt, electrolyte; used in non-dairy creamers, sports drinks, and processed cheese.
Why it's flagged
- phosphate burden in CKD patients
- high cumulative phosphate intake from processed foods
What regulators actually say
"Dipotassium phosphate - generally recognized as safe when used in accordance with good manufacturing practice."
"The Panel derived a group acceptable daily intake (ADI) for phosphates expressed as phosphorus of 40 mg/kg body weight per day."
Regulatory status
United States — FDA
GRAS under 21 CFR 182.6285 (sequestrant) and 182.1217 (general).
European Union — EFSA
Authorized as E340(ii); group phosphate ADI 40 mg/kg bw/day as phosphorus (2019).
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