Alum is used as a deodorant because of its effectiveness in destroying bacteria. The alum you find here is the alum traditionally used as a deodorant, and its technical name is double aluminium potassium sulphate.
IDENTIFICATION AND PROPERTIES POTASSIUM ALUM
Name: Rock Alum. Alumina Potassium Sulphate
Synonyms: Hydrated Alum, Rock Alum, Neapolitan Alum, Neapolitan Alum
CAS: 10043-67-1
EC: 233-141-3
- Appearance: Crystalline powder
- Colour: White
- Odour: Odourless
- pH at 25ºC: 3.5 (1% solution)
- Melting point: 93ºC
- Boiling point: 200ºC
- Flash point: Non-flammable
- Density: 1.64 g/cc
- Solubility: Easily soluble in water. 150gr./l in water at 20ºC.
- Decomposition temperature: > to 770ºC
- Explosive properties. Non-explosive
- Oxidising properties: Not oxidising
USES OF ROCK ALUM
- Preservative additive, astringent
- Mordant textile pigments
- Gluing process Paper
- Coagulating agent
- Tanning additive
- Yeast
- Cosmetic Products
- Pharmacists
- Photochemical laboratory products
- Toner and inks
ana -
good product
Ramon Lopez -
I haven't tried it so I can't give an opinion