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Product Information

Basic information about this product

Article No. 001523
Grade AR
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) 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