Ammonium Sulphate

Synonym(s)

: Diammonium sulfate, sulfuric acid, diammonium salt, maskanite

Mol. Formula

: H8N2O4S

EC / List no.

: 231-984-1

CAS no.

: 7783-20-2

Molecular weight

: 58,08

Ammonium sulfate is an inorganic sulfate salt obtained from the reaction of sulfuric acid with two equivalents of ammonia.

Application

» It is widely used in fertilizers and plant protection products.
» It is used in agriculture, forestry, fisheries, formulation of mixtures and/or repackaging.
» Used in machine wash liquids/detergents, automotive care products, paints, coatings or adhesives, fragrances and air fresheners.
» Outdoor use in closed systems with minimal oscillations (eg hydraulic fluids in automotive suspension, lubricants in engine oil and brake fluids) is available.

Product Specifications

Physical and Chemical Properties
» Ammonium sulphate appears as orthorhombic crystals or white granules.
» Odorless.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	280	decomposes
Boiling point	°C	56.05
Solubility	g/100 g	76.4	25°C, soluble with water (Insoluble in acetone, ethanol)
Density	g/ cm3	1.77	At 25°C
Autoignition temperature		Not flammable
Corrosivity		Non corrosive
Vapor pressure	kPa	1.871	20 °C
Refractive index		1.521
pH		5.5	0.1 M