ALUMINIUM SULPHATE OCTADECAHYDRATE
ALUMINIUM SULPHATE OCTADECAHYDRATE AR
Short Name: ALUMINIUM SULPHATE OCTADECAHYDRATE
Synonym: Alum; Dialuminum sulfate octadecahydrate
Basic Details
Article No.
LG0227
Grade
AR
Purity
98%
CAS No.
7784-31-8
HS Code
2833.2210
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
White powder
pH value
3 - 4
Melting point/ Freezing point [°C]
86 °C
Solubility in water [% weight]
Soluble in water
Chemical Specifications
Appearance
A white crystalline powder
Assay ( as AI2(SO4)3.18H2O]; complexometric)
98 - 102%
Insoluble matter
Max 0.01%
Reaction
Min pH 2.5
Chloride (Cl)
Max 0.001%
Ammonium (NH4)
Max 0.01%
Copper (Cu)
Max 0.001%
Iron (Fe)
Max 0.002%
Heavy metal (as Pb)
Max 0.001%
Calcium (Ca)
Max 0.01%
Magnesium (Mg)
Max 0.002%
Potassium (K)
Max 0.005%
Sodium (Na)
Max 0.02%
Substance not precipitated by ammonia (as SO4)
Max 0.2%
Safety Information & Hazard Symbols
Symbol
GHS05
Signal Word
Danger
Hazardous Statement
H318
Precaution Statement
P280-P305 + P351 + P338