Potassium Aluminum Sulphate

Synonym(s)

: potassium alum, aluminum potassium sulfate, potash alum

Mol. Formula

: AlKO8S2

EC / List no.

: 233-141-3

CAS no.

: 10043-67-1

Molecular weight

: 258,21

Potassium aluminum sulfate is a metal sulfate consisting of potassium, aluminum and sulfate ions in a ratio of 1:1:2. It has a flame retardant, mordant and astringent role. Metal sulfate is aluminum salt and potassium salt. Contains an aluminum (3+).

Application

» This substance is used in the following areas: agriculture, forestry and fisheries, mining, printing and reproduction of recorded media, civil and civil works and municipal supply (eg electricity, steam, gas, water) and sewage treatment.
» This substance includes textiles, leather or fur, pulp, paper and paper products, mineral products, machine wash liquids/detergents, automotive care products, paints and coatings or adhesives, fragrances and air fresheners, coolants in refrigerators, oil-based electric heaters It is used in hydraulic fluids in automotive suspension, lubricants in engine oil and brake fluids.

Product Specifications

Physical and Chemical Properties
» Potassium aluminum phosphate is a white solid.
» It is odorless and has a styptic taste.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	92.5
Boiling point	°C	200
Density	g/cm3	1.75	20 °C
Solubility	g/ L	59	20 °C, soluble with water
pH		3-4	10 % solution
Refractive index		1.454