| CAS No.: | 7784-26-1 |
|---|---|
| Other Names: | ammonium alum |
| MF: | NH4Al(SO4)2 |
| EINECS No.: | |
| Place of Origin: | China (Mainland) |
| Grade Standard: | Industrial Grade |
| Purity: | 99.5% |
| Appearance: | white crystal |
| Application: | water treatment , peper making |
| Brand Name: | landing |
| Model Number: | 20132123 |
| payment: | TT/LC |
| port: | qingdao |
| delivery time: | with in 15 days |
Quick Details
Specifications
1.Ammonium aluminium sulfate 2.Purity 99.5% 3.white crystals 4.CAS:7784-25-0 5.Application:food additive, Industrial grade
1. Introduction
Ammonium aluminium sulfate, also known as ammonium alum or just alum, is a white crystalline double sulfate usually encountered as the dodecahydrate, formula (NH4)Al(SO4)2·12H2O. It is used in small amounts in a variety of niche applications. The dodecahydrate occurs naturally as the rare mineral tschermigite .
2. Specification
|
Item
|
Index
|
|
NH4AL(SO4)2·12H2O,(%)
|
99.3~100.5
|
|
water content,(%) ≤
|
4.0
|
|
insoluble in water,(%) ≤
|
0.20
|
|
As,(%) ≤
|
0.0002
|
|
lead(pb),(%) ≤
|
0.002
|
|
Pb,(%) ≤
|
0.0010
|
|
F),(%) ≤
|
0.003
|
|
Se,(%) ≤
|
0.003
|
3. Uses
(1).It is used in water purification, in vegetable glues, in porcelain cements, in deodorants and in tanning, dyeing and in fireproofing textiles.
(2). Ammonium alum is a common ingredient in animal repellant sprays.
(3),In industrial,It is used in leather, processing of washing powder, feed processing, pencil production.
4. Packing
25kg or 50kg per bag
5. Lead time
Within 10 work days after order confirmed and payment arrived.
6. Storage
Stored in dry, cool airiness place, far away from heat, avoid nsolation, sign with no

