HPO₄²⁻ is called hydrogen phosphate or monohydrogen phosphate. It's an inorganic ion with the chemical formula HPO₄²⁻. This ion is a crucial component in many biological and chemical processes.
Understanding Hydrogen Phosphate
- Chemical Formula: HPO₄²⁻
- Systematic Name: Hydrogen phosphate or monohydrogen phosphate
- Charge: -2 (it has a 2- negative charge)
- Conjugate Base and Acid: It's the conjugate base of dihydrogen phosphate (H₂PO₄⁻) and the conjugate acid of phosphate (PO₄³⁻).
Several sources confirm this naming convention:
- Wikipedia: Explicitly states that HPO₄²⁻ is known as hydrogen phosphate or monohydrogen phosphate. https://en.wikipedia.org/wiki/Monohydrogen_phosphate
- Quora: Multiple Quora threads identify HPO₄ as hydrogen phosphate. https://www.quora.com/What-is-HPO4-s and https://www.quora.com/What-is-H2PO4-called
- Chemhelp Reddit: Discussions on Reddit's chemhelp subreddit reinforce the use of "hydrogen phosphate" or "monohydrogen phosphate" for HPO₄²⁻. https://www.reddit.com/r/chemhelp/comments/7h219j/nomenclature_for_hydrogen_phosphate_ions/ and https://www.reddit.com/r/chemhelp/comments/im077n/k2hpo_name/
- PubChem: Lists the compound as "Hydrogenphosphate". https://pubchem.ncbi.nlm.nih.gov/compound/3681305
- UCSF Health: Includes HPO₄²⁻ as an alternative name for phosphorus in blood tests. https://www.ucsfhealth.org/medical-tests/phosphorus-blood-test
While some sources might refer to it differently in specific contexts (e.g., within a larger compound name), hydrogen phosphate or monohydrogen phosphate remains the most widely accepted and systematic name for the HPO₄²⁻ ion.
