Packings
00974
Article No. 00974
Purity 98%
Molecular Formula AI2(SO4)3.18H2O
H.S. Code 2833.2210
Grade AR
CAS No. 7784-31-8
Molecular Weight 666.42
Shelf Life 60 Months

Physical Properties

Specifications

Safety Information and Hazard Symbols

Symbol:


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

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 and Hazard Symbols

Corrosion              

Symbol: GHS05
Signal Word: Danger
UN No.: 3260
IMCO Class No.: 8
Packing Group: III
Hazardous Statement: H290-H314
Precaution Statement: P234 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338