Difference between revisions of "Potassium phosphate"

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== Description ==
 
== Description ==
  
White granular crystals.  Potassium phosphate monobasic is used as a [http://cameo.mfa.org/materials/fullrecord.asp?name=buffer buffering agent].
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White granular crystals.  Potassium phosphate monobasic is used as a [[buffer|buffering agent]].
 
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[[[SliderGallery rightalign|potassium phosphate.jpg~Chemical structure]]]
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
  
 
potassium phosphate monobasic; potassium dihydrogen phosphate
 
potassium phosphate monobasic; potassium dihydrogen phosphate
  
[[[SliderGallery rightalign|potassium phosphate.jpg~Chemical structure]]]
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== Risks ==
 +
 
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* Contact or inhalation may cause irritation. 
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* ThermoFisher: [https://www.fishersci.com/store/msds?partNumber=P285500&productDescription=POT+PHOSPHATE+MONO+CR+ACS+500G&vendorId=VN00033897&countryCode=US&language=en SDS]
  
== Other Properties ==
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==Physical and Chemical Properties==
  
 
Soluble in water. pH = 4.4-4.7
 
Soluble in water. pH = 4.4-4.7
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|-
 
|-
 
! scope="row"| Melting Point
 
! scope="row"| Melting Point
| 253
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| 253 C
 
|-
 
|-
 
! scope="row"| Density
 
! scope="row"| Density
| 2.34
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| 2.34 g/ml
 
|-
 
|-
 
! scope="row"| Molecular Weight
 
! scope="row"| Molecular Weight
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|-
 
|-
 
! scope="row"| Boiling Point
 
! scope="row"| Boiling Point
| 400 (dec)
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| 400 C (dec)
 
|}
 
|}
  
== Hazards and Safety ==
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==Resources and Citations==
 
 
Contact or inhalation may cause irritation. 
 
 
 
Mallinckrodt Baker: [http://www.jtbaker.com/msds/englishhtml/p6038.htm MSDS]
 
 
 
== Authority ==
 
  
* Martha Windholz (ed.), ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry 7542
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* ''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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* 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
  
  
  
 
[[Category:Materials database]]
 
[[Category:Materials database]]

Latest revision as of 10:36, 25 August 2022

Description

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

Chemical structure

Potassium phosphate.jpg

Synonyms and Related Terms

potassium phosphate monobasic; potassium dihydrogen phosphate

Risks

  • Contact or inhalation may cause irritation.
  • ThermoFisher: SDS

Physical and Chemical Properties

Soluble in water. pH = 4.4-4.7

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

Resources and Citations

  • 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, Notes for Workshop on New Methods in the Cleaning of Paintings, J.Paul Getty Trust, Los Angeles, 1990