Monoammonium phosphate

Synonym(s)

: Ammonium dihydrogen phosphate, ammonium biphosphate, phosphoric acid, monoammonium salt

Mol. Formula

: H6NO4P

EC / List no.

: 231-764-5

CAS no.

: 7722-76-1

Molecular weight

: 115,03

Monoammonium phosphate is the ammonium salt of phosphoric acid (molar ratio 1:1). It acts as fertilizer. It contains a dihydrogenphosphate.

Application

» It is widely used in fertilizers, washing and cleaning products, adhesives and sealants.
» This substance is used in the following areas: agriculture, forestry and fisheries, formulation of mixtures and/or repackaging, municipal supply (eg electricity, steam, gas, water) and sewage treatment.
» This substance is used in the manufacture of: mineral products (eg plasters, cement) and food products.
» Release of this substance to the environment may occur from industrial use: formulation of mixtures.
» Used in machine wash liquids/detergents, automotive care products, paints, coatings or adhesives, fragrances and air fresheners

Product Specifications

Physical and Chemical Properties
» It is in the form of bright white crystals or powder.
Odorless.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	197
Density	g/cm3	1.81	20 °C
Solubility	g/ L	100	20 °C, soluble with water
Vapor pressure	Pa	0.001	20 °C
pH		4.2	0.2 M
Refractive index		1.525