Ammonium Monohydrogen Phosphate


Product # 1078
Name Ammonium Monohydrogen Phosphate
Synonyms Ammonium phosphate dibasic, Diammonium hydrogenphosphate, di-Ammonium hydrogenphosphate, Ammonium hydrogenphosphateDiammonium hydrogenorthophosphate
Formula (NH4)2HPO4
Purity ACS
CAS Number 7783-28-0
Molecular Weight 132.06
Color & Form White Solid
Melting Point 155° C (dec.)
Specific Gravity 1.619 gm/ml
Solubility Soluble


500 gm $55.00
2.5 kg $200.00
  • For other quantities or purities not listed, please request a quotation. We can offer many items in bulk or custom packaging.
  • All pricing is subject to confirmation at the time the order is placed.


Transportation Information Not a dangerous good
Pictogram Pictogram: Irritant 
Signal Word Warning
Hazardous Statements

H315  Causes skin irritation.

H319  Causes serious eye irritation.

H335  May cause respiratory irritation.

Precautionary Phrases

P261  Avoid breathing dust/fume/gas/mist/vapours/spray.

P302+P352  IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338  IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Detailed Safety and Handling Information can be found on our Safety Data Sheet (SDS).

Featured Element: Bismuth

Bismuth is a brittle crystalline which is slightly pinkish in its elemental form.

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