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Aluminum sulfate octadecahydrate

SIGALD/11044 - puriss., meets analytical specification of Ph. Eur., BP, 100-110%, 51.0-59.0% Al2(SO4)3 basis

Synonym: Aluminum sulfate hydrate

CAS Number: 7784-31-8
Empirical Formula (Hill Notation): Al2S3O12· 18H2O
Molecular Weight: 666.43
EC Number: 233-135-0
Linear Formula: Al2(SO4)3 · 18H2O
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-11044-1KG 1 kg
 $126.00
1/EA		 Add To Favorites
45-11044-6X1KG 1 kg
 $0.00
6/EA
CALL FOR PRICE		 Add To Favorites
45-11044-2.5KG 2.5 kg
 $0.00
1/EA
CALL FOR PRICE		 Add To Favorites

 

anion traces chloride (Cl-): ≤50 mg/kg
assay 100-110%
cation traces As: ≤3 mg/kg
  Fe: ≤50 mg/kg
concentration 51.0-59.0% Al2(SO4)3
form crystals or chunks
grade puriss.
impurities residual solvents, complies
  ≤0.002% heavy metals (as Pb)
  ≤0.003% ammonium (NH4)
  ≤0.2% sub.not precip.b.NH4OH(SO4)
InChI 1S/2Al.3H2O4S.9H2O/c;;3*1-5(2,3)4;;;;;;;;;/h;;3*(H2,1,2,3,4);9*1H2/q2*+3;;;;;;;;;;;;/p-6
InChI key KFCWRPFNNIEZRY-UHFFFAOYSA-H
pH 2.5-4.0 (20 °C, 2%)
quality meets analytical specification of Ph. Eur., BP
Quality Level 200 
SMILES string O=S(O)(O)=O.[AlH2][AlH2].O
suitability complies for appearance of solution
Application: Aluminum sulfate octadecahydrate is used:
• As a trace water source in the synthesis of cancrinite zeolite from geophagic clay.
• In the solvent free synthesis of ZSM-5 Zeolites from rice husk silica.
• In the preparation of polymeric metal complex dyes.
General description: Aluminum sulfate octadecahydrate (Al2(SO4)3.18H2O) is a hydrated aluminum salt. It is used as a catalyst and cross-linker during chemical reactions. Aluminum sulfate octadecahydrate is also used as a coagulating agent/flocculating agent in the purification of drinking water and wastewater treatment plants. It is also used in the paper industry for sizing.
Symbol GHS05  GHS05
Signal word Danger
Hazard statements H290 - H318
Precautionary statements P280 - P305 + P351 + P338 + P310
Hazard Codes Xi
Risk Statements 41
Safety Statements 26-39
RIDADR UN3260 - class 8 - PG 3 - RQ - Corrosive solid, acidic, inorgani
WGK Germany WGK 1
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity 100-110%
UNSPSC 12352302

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