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Substance Name: Potassium phosphate, tribasic
RN: 7778-53-2
UNII: 16D59922JU
InChIKey: LWIHDJKSTIGBAC-UHFFFAOYSA-K

Classification Code

  • Skin / Eye Irritant

Molecular Formulas

  • H3-O4-P.3K
  • O4-P.3K

Molecular Weight

  • 212.264
 
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Names and Synonyms

Name of Substance

  • Potassium phosphate, tribasic

Synonyms

  • Caswell No. 700A
  • CCRIS 7321
  • EC 231-907-1
  • EINECS 231-907-1
  • EPA Pesticide Chemical Code 076407
  • Phosphoric acid, tripotassium salt
  • Potassium orthophosphate
  • Potassium phosphate
  • Potassium phosphate (K3PO4)
  • Potassium phosphate, tribasic
  • Tripotassium phosphate
  • UNII-16D59922JU

Systematic Names

  • Phosphoric acid, potassium salt (1:3)
  • Phosphoric acid, tripotassium salt
  • Tripotassium orthophosphate
  • Tripotassium phosphate

Superlist Names

  • Phosphoric acid, tripotassium salt
  • Potassium phosphate, tribasic

Registry Numbers

CAS Registry Number

  • 7778-53-2

FDA UNII

  • 16D59922JU

Other Registry Numbers

  • 1017687-06-7
  • 1269628-80-9
  • 44042-47-9

Related Registry Number

  • 16068-46-5 (Parent)

System Generated Number

  • 0007778532

Molecular Formulas

Molecular Formulas

  • H3-O4-P.3K
  • O4-P.3K

Molecular Formula Fragments

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

Structure Descriptors

InChI

1S/3K.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3

InChIKey

LWIHDJKSTIGBAC-UHFFFAOYSA-K

Smiles

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

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LD50 skin > 4640mg/kg (4640mg/kg) SKIN AND APPENDAGES (SKIN): "DERMATITIS, IRRITATIVE: AFTER SYSTEMIC EXPOSURE"

SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE"
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,