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Substance Name: Potassium phosphate, monobasic [NF]
RN: 7778-77-0
UNII: 4J9FJ0HL51
InChIKey: GNSKLFRGEWLPPA-UHFFFAOYSA-M

Classification Code

  • Pharmaceutic Aid (Buffering Agent)

Molecular Formulas

  • H2-O4-P.K
  • H3-O4-P.K
  • K-H2-P-O4

Molecular Weight

  • 136.0838
 
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Names and Synonyms

Name of Substance

  • Monopotassium dihydrogen phosphate
  • Phosphoric acid, monopotassium salt
  • Potassium phosphate, monobasic
  • Potassium phosphate, monobasic [NF]

Synonyms

  • EC 231-913-4
  • EINECS 231-913-4
  • EPA Pesticide Chemical Code 076413
  • HSDB 5046
  • KDP
  • MKP
  • Monobasic potassium phosphate
  • Monopotassium dihydrogen phosphate
  • Monopotassium monophosphate
  • Monopotassium orthophosphate
  • Monopotassium phosphate
  • Orthophosphoric acid, monopotassium salt
  • Phosphoric acid, monopotassium salt
  • Potassium acid phosphate
  • Potassium dihydrogen orthophosphate
  • Potassium dihydrogen phosphate
  • Potassium hydrogen phosphate (KH2PO4)
  • Potassium orthophosphate, dihydrogen
  • Potassium phosphate (K(H2PO4))
  • Potassium phosphate, monobasic
  • Sorensen's potassium phosphate
  • UNII-4J9FJ0HL51

Systematic Names

  • Phosphoric acid, monopotassium salt
  • Phosphoric acid, potassium salt (1:1)
  • Potassium dihydrogenorthophosphate

Superlist Name

  • Potassium phosphate, monobasic

Registry Numbers

CAS Registry Number

  • 7778-77-0

FDA UNII

  • 4J9FJ0HL51

Other Registry Numbers

  • 1364712-44-6
  • 2133444-20-7
  • 943540-09-8

Related Registry Number

  • 16068-46-5 (Parent)

System Generated Number

  • 0007778770

Molecular Formulas

Molecular Formulas

  • H2-O4-P.K
  • H3-O4-P.K
  • K-H2-P-O4

Molecular Formula Fragments

  • COMPONENT
  • H2-O4-P
  • H3-O4-P
  • K

Structure Descriptors

InChI

1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1

InChIKey

GNSKLFRGEWLPPA-UHFFFAOYSA-M

Smiles

P(=O)(O)(O)[O-].[K+]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LD50 skin > 4640mg/kg (4640mg/kg)   National Technical Information Service. Vol. OTS0571153,
rat LDLo oral 4640mg/kg (4640mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

GASTROINTESTINAL: OTHER CHANGES		 National Technical Information Service. Vol. OTS0571153,