ALUMINIUM AMMONIUM SULPHATE DODECAHYDRATE

ALUMINIUM AMMONIUM SULPHATE DODECAHYDRATE Extra Pure

Ammonium alum

Article No.

00894

Grade

Extra Pure

Purity

98%

CAS No.

7784-26-1

Molecular Formula

NH₄AI(SO₄)₂.12H₂O

Molecular Weight

453.32

H.S. Code

2833.3010

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

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

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%

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

Revision Date : 30-Mar-2021