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Product Information

Basic information about this product

Article No. 001522
Grade Extra Pure
Purity 98%
CAS No. 7784-31-8
Molecular Formula AI2(SO4)3.18H2O
Molecular Weight 666.42
H.S. Code 28332210
Shelf Life 60 Months

Hazard Information

Safety and hazard classification

GHS05 GHS05
Hazard Symbols
GHS05

Product Description

Detailed information about the product

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) Min 98.0%
pH (2% solution in water) 2.5 - 4.0 Chloride (Cl) Max 0.005%
Heavy metal (as Pb) Max 0.002% Ammonium (NH4) Max 0.005%
Arsenic (As) Max 0.001% Calcium (Ca) Max 0.02%
Iron (Fe) Max 0.005% Potassium (K) Max 0.2%
Alkalies & alkaline earth metals Max 0.4%

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