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Merck
CN

227617

Aluminum sulfate octadecahydrate

≥97%

Synonym(s):

Aluminum sulfate hydrate

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About This Item

Linear Formula:
Al2(SO4)3 · 18H2O
CAS Number:
Molecular Weight:
666.43
PubChem Substance ID:
UNSPSC Code:
12352302
NACRES:
NB.24
EC Number:
233-135-0
Assay:
≥97%, 98.0-102.0% (ACS specification)
Form:
chunks or granules, crystalline powder, powder or crystals
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Quality Segment

assay

≥97%, 98.0-102.0% (ACS specification)

form

chunks or granules, crystalline powder, powder or crystals

reaction suitability

reagent type: catalyst
core: aluminum

impurities

≤0.01% insolubles

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%

SMILES string

O=S(O)(O)=O.[AlH2][AlH2].O

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

General description

Aluminum sulfate is widely used as a coagulant in water treatment.

Application

Aluminum sulfate octadecahydrate has been used in the preparation of Gill′s no. 2 hematoxylin stain.


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pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



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