TABLE 1.
Names and chemical formulas for phosphate salts
| Chemical formula a | Common name a | Alternate names a | Used in research cited in this document | Used in cat foods (type) b |
|---|---|---|---|---|
| NaH2PO2 | Sodium hypophosphite | |||
| Multiple | Sodium phosphate | Used as generic term for mono‐, di‐, and tri‐sodium phosphates | Wet | |
| NaH2PO4 | Monosodium phosphate | Sodium Dihydrogen phosphate, SDHP; Sodium phosphate monobasic, sodium dihydrogen orthophosphate | Dobenecker 2017‐cats; Dobenecker 2018‐cats; Alexander 2018‐cats; Matsuzaki 1999‐rats; Finco 1999‐cats | Dry, wet |
| Na2HPO4 | Disodium phosphate | Disodium hydrogen phosphate, sodium phosphate dibasic | Coltherd 2018‐cats; Finco 1999‐cats | Dry, wet |
| Na3PO4 | Trisodium phosphate | Sodium orthophosphate, tribasic sodium phosphate; trisodium orthophosphate, TSP | Wet | |
| Na5P3O10 | Sodium tripolyphosphate c | Pentasodium triphosphate, STPP | Coltherd 2018‐cats; Matsuzaki 1999‐rats | Dry, wet |
| Na4P2O7 | Tetrasodium pyrophosphate | TSPP, Sodium pyrophosphate | Dry, wet | |
| (NaPO3)6 | Sodium hexametaphosphate | Sodium polymetaphosphate | Dry, wet | |
| H3PO4 | Phosphoric acid d | Orthophosphoric acid | Dry, wet | |
| CaH4(PO4)2; OR Ca(H₂PO₄)₂ | Monocalcium phosphate | Calcium biphosphate, Calcium monobasic phosphate, Calcium dihydrogen phosphate | Dobenecker 2017‐cats; Dobenecker 2018‐cats | Dry, wet |
| Ca3(PO4)2 | Calcium phosphate | Tricalcium orthophosphate, penta‐Calcium hydroxide triphosphate, Calcium phosphate tribasic | Dry, wet | |
| CaHPO4 | Dicalcium phosphate c , d | Calcium hydrogen phosphate, calcium phosphate dibasic | Cockell 2002 and 2004‐rats; PaBlack 2016‐cats; | Dry, wet |
| Ca3(PO4)2 | Tricalcium phosphate c | Calcium phosphate | Dry, wet | |
| Ca10(PO4)6(OH)2 | Calcium apatite | Hydroxyapatite | ||
| Ca4Na(PO4)3 | Defluorinated phosphate | Defluorinated feed phosphate | Dry, wet | |
| KH2PO4 | Monopotassium phosphate | Potassium dihydrogen phosphate | Cockell 2002 and 2004‐rats; Tani 2007‐rats; Matsuzaki 1999‐rats | Dry, wet |
| K2HPO4 | Dipotassium phosphate | Potassium phosphate dibasic | ||
| K3PO4 | Tripotassium phosphate | Potassium phosphate, potassium phosphate tribasic | ||
| K5P3O10 | Potassium tripolyphosphate | Pentapotassium triphosphate, potassium triphosphate | Matsuzaki 1999‐rats | |
| K4P2O7 | Potassium pyrophosphate | Potassium diphosphate, tetrapotassium diphosphate; tetrapotassium pyrophosphate |
a
Primary resource for chemical names and formulas: Pub Chem: US National Library of Medicine.
b
US Cat foods, based on ingredient information listed on Chewy.com, accessed February 2019, and Mintel's Global New Products Database (gnpd.com) accessed February 2020.
c
Among most common phosphate additives used in wet cat foods in USA (gnpd.com).
d
Among most common phosphate additives used in dry cat foods in USA (gnpd.com).