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Aluminium Ammonium Sulfate 12-hydrate (USP) pure, pharma grade

Ammonium Alum, Ammonium Aluminium Sulphate

Assay (Compl.) calc. a.d.s.: 99.0-100.5%
Code
141102
CAS
7784-26-1
Molecular Formula
NH4Al(SO4)2.12H2O
Molar mass
453.33 g/mol
Melting Point:
93 °C
Boiling Point:
200 °C
Solubility:
water 150 g/l at 20 °C
Physical Description:
solid
Product Code:
141102
Product Name:
Aluminium Ammonium Sulfate 12-hydrate (USP) pure, pharma grade
Quality Name:
pure, pharma grade
Specifications:
Assay (Compl.) calc. a.d.s.: 99.0-100.5%
Identity according to Pharmacopoeias:: passes test
pH of 5% solution: ≥3.0

Maximum limit of impurities
Insoluble matter in H2O: 0.02 %
Loss on drying at 300°C: 45.0-48.0 %
Chloride (Cl): 0.005%
Phosphate (PO4): 0.005 %
Residual solvents (Ph.Eur/USP): passes test
Alkali and alkaline-earth salts: 0.5%
Heavy metals (as Pb): 0.002%
Fe: 0.002 %
WGK:
1
Storage:
Room Temperature.
Master Name:
Aluminium Ammonium Sulphate 12-hydrate
Synonyms Long Text:
Ammonium Alum, Ammonium Aluminium Sulphate
EINECS:
232-055-3
CS:
28333000
Download TDS file for complete specifications