Product Review
Alum - Potassium Aluminum (Aluminium) Sulfate (Sulphate) Dodecahydrate.
Grade: 98%
Chemical formula: AlK2(SO4)3K2SO4*24H2O
CAS: 7784-24-9
Synonyms: Potassium Alum; Potash Alum.
Used as a color binder in marbling. Makes the color stick on the paper or fabric.
Alum is also used in dyeing as a mordant.
Not for human consumption.