Australian Approved Name (AAN): Dibasic potassium phosphate trihydrate
Superseded AAN: Potassium phosphate – dibasic trihydrate
Common names and synonyms:
Dibasic potssium phosphate trihydrate
Dipotassium hydrogen phosphate trihydrate
E340
Organic/Inorganic: Inorganic
Molecular formula: K2HPO4.3H2O
Molecular weight: 228.22
Conversions (% potassium): 34.26 (% phosphorus): 13.57
AI for Potassium as per NHMRC:
Infants – 0-6 months – 400mg/day
Infants – 7-12 months – 700mg/day
Children – 1-3 years – 2g/day
Children – 4-8 years – 2.3g/day
Boys – 9-13 years – 3g/day
Boys – 14-18 years – 3.6g/day
Girls – 9-13 years – 2.5g/day
Girls – 14-18 years – 2.6g/day
Men – 3.8g/day
Women – 2.8g/day
Pregnancy – 2.8g/day
Lactation – 3.2g/day
Mandatory components: Potassium (when used as an active ingredient for mineral supplementation)
Warnings and Restrictions: When used in a solid preparation, the pH of a 10 g/L aqueous solution must not be more than 11.5. When used in a liquid or a semi-solid preparation, the pH of the preparation must not exceed 11.5.
Allowable purpose of the ingredient: Active. Excipient. Homeopathic
TGA reference: United States Pharmacopeia_(Incorporating the National Formulary)