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Home Chemnovo Metallic Salts (Metal Salts) Aluminium Ammonium Sulphate Dodecahydrate 98% Extrapure

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Aluminium Ammonium Sulphate Dodecahydrate 98% Extrapure

Ammonium alum ;Ammonium Aluminium Sulphate

CAS : 7784-26-1

HS Code : 2833.30100

Molecular Formula : NH4AI(SO4)2.12H2O

Molecular Weight : 453.32

MSDS

Product Datasheet

Shelf Life : 60 Months

Sample COA COA

Physical Properties

Physical state at 20 °C
Solid
 Colour
White powder
Odour
Odorless
 pH value
2.6
Melting point/ Freezing point [°C]
93.5 °C
 Boiling point [°C]
280°C
Density [g/cm3]
1.65
 Solubility in water [% weight]
14% in water

Specification

Appearance
White crystalline powder
 Assay (complexometric)
Min 98.0%
Chloride (Cl)
Max 0.005%
 Heavy metal (as Pb)
Max 0.005%
Arsenic (As)
Max 0.003%
 Iron (Fe)
Max 0.001%
Substance not precepitate by NH3 (as SO4)
Max 0.3%

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338