- as a mordant in hand dyeing
- making crystals
- is an astringent/styptic and antiseptic
- a natural deodorant by inhibiting the growth of the bacteria responsible for body odor
- General Laboratory Reagent
Potassium alum, potash alum or tawas is the potassium double sulfate of aluminium.
It is commonly found in its dodecahydrate form as KAl(SO4)2·12(H2O).
Alum is the common name for this chemical compound, given the nomenclature of potassium aluminum sulfate dodecahydrate.
It is commonly used in water purification, leather tanning, dyeing, fireproof textiles, and baking powder.
It also has cosmetic uses as a deodorant, as an aftershave treatment and as a styptic for minor bleeding from shaving.
- Minimum Assay: >99.5%
- Molecular Formula: AlK(S04)2.12H20
- Molecular Weight: 474.38 g/mol
- Melting Point: 92 C
- Water: <4.5%
- Chloride: <0.01%
- Iron: <100ppm
- Aluminium: 5-6%
Hazard Phrases: Not considered harmful under normal laboratory conditions
Cas No: 7784-24-9
Einecs No: 233-141-3
“thank you ised to tan sheeps pelts.. easy to use as the package weight meant I didn't have to faff about weighing out and could just use 1 sachet for the recipe I had. Thank you”
“Excellent product and excellent service”
“Arrived on time”
“Great product, great price”
“bought for growing crystals with children not attempted yet but arrived promptly and looking forward to it!”
“Just what I wanted”
“Extremely fast delivery, Item is Excellent. Will definitely be ordering from again in the future!”
“Delivered on time, no fuss, no problems.”