AX0735

Aluminum Sulfate, Octadecahydrate

Meets ACS Specifications GR ACS

• Synonym(s): Aluminum Sulfate, Octadecahydrate, Cake alum,Patent alum, Alum
• Linear Formula: Al₂(SO₄)₃ · 14-18H₂O
• CAS Number: 7784-31-8
• UNSPSC Code: 12352302
• EC Index Number: 233-135-0
• assay: 98.0-102.0% (complexometric)
• grade: ACS reagent
• form: crystals
• solubility: 364 g/L

Properties

• grade: ACS reagent
• Quality Level: 200
• assay: 98.0-102.0% (complexometric)
• form: crystals
• impurities: ≤0.01% Insoluble matter
• color: white
• pH: 2.5-4.0 (20 °C, 20 g/L in H₂O)
• mp: 90 °C (decomposition)
• solubility: 364 g/L
• anion traces: chloride (Cl^-): ≤0.005%
• cation traces: Ca: ≤0.01%; Fe: ≤0.002%; K: ≤0.005%; Mg: ≤0.002%; Na: ≤0.02%; heavy metals (as Pb): ≤0.001%
• shipped in: ambient
• storage temp.: room temp
• 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

Description

Application

Meets ACS Specifications GR ACS

Analysis Note

Assay (complexometric): 98.0-102.0%
Calcium (Ca): 0.01% max
Chloride (Cl): 0.005% max
Color: White
Form: Crystals
Heavy metals (as Pb): 0.001% max
Insoluble matter: 0.01% max
Iron (Fe): 0.002% max
Magnesium (Mg): 0.002% max
Potassium (K): 0.005% max
Sodium (Na): 0.02% max

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H290,H314
• pcodes: P234 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
• Storage Class: 8B - Non-combustible corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable