Diammonium hydrogen phosphate

CAS Registry Number®

7783-28-0
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CAS Name

Diammonium hydrogen phosphate

Molecular Formula

H3N.1/2H3O4P

Cite this Page

Diammonium hydrogen phosphate.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=7783-28-0 (retrieved 2021-12-06) (CAS RN: 7783-28-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    155 °C (decomp)
  • Density (1)

    1.619 g/cm3

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/2H3N.H3O4P/c;;1-5(2,3)4/h2*1H3;(H3,1,2,3,4)

InChIKey

InChIKey=MNNHAPBLZZVQHP-UHFFFAOYSA-N

SMILES

P(=O)(O)(O)O.N

Canonical SMILES

O=P(O)(O)O.N

Other Names for this Substance

  • Phosphoric acid, ammonium salt (1:2)
  • Phosphoric acid, diammonium salt
  • Ammonium phosphate dibasic
  • Diammonium hydrogen phosphate
  • Diammonium phosphate

Deleted or Replaced CAS Registry Numbers

1801523-64-7, 2250073-86-8