Potassium phosphate

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Description

White granular crystals. Potassium phosphate monobasic is used as a buffering agent.

Synonyms and Related Terms

potassium phosphate monobasic; potassium dihydrogen phosphate

Chemical structure

Potassium phosphate.jpg


Other Properties

Soluble in water. pH = 4.4-4.7

Composition KH2PO4
CAS 7778-77-0
Melting Point 253
Density 2.34
Molecular Weight mol. wt. = 136.09
Boiling Point 400 (dec)

Hazards and Safety

Contact or inhalation may cause irritation.

Mallinckrodt Baker: MSDS

Authority

  • Martha Windholz (ed.), The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 7542
  • Richard C. Wolbers, Nanette T. Sterman, Chris Stavroudis, Richard C. Wolbers, Nanette T. Sterman, Chris Stavroudis, Notes for Workshop on New Methods in the Cleaning of Paintings, J.Paul Getty Trust, Los Angeles, 1990

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