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202614

Sigma-Aldrich

Aluminum sulfate

99.99% trace metals basis

Sinónimos:

Aluminium sulphate, Aluminum alum, Dialuminum sulfate, dialuminum trisulfate

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About This Item

Fórmula lineal:
Al2(SO4)3
Número de CAS:
10043-01-3
Peso molecular:
342.15
EC Number:
233-135-0
MDL number:
MFCD00003423
UNSPSC Code:
12352302
PubChem Substance ID:
24852105
NACRES:
NA.23

assay

99.99% trace metals basis

form

powder and chunks

impurities

≤150.0 ppm Trace Metal Analysis

mp

770 °C (dec.) (lit.)

density

2.71 g/mL at 25 °C (lit.)

application(s)

battery manufacturing

SMILES string

[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O

InChI

1S/2Al.3H2O4S/c;;3*1-5(2,3)4/h;;3*(H2,1,2,3,4)/q2*+3;;;/p-6

InChI key

DIZPMCHEQGEION-UHFFFAOYSA-H

Categorías relacionadas

General description

Aluminum sulfate is a white crystalline solid that is highly soluble in water. It is thermally stable and has the ability to act as a coagulant and flocculant. It is widely used in the field of solar cells, water treatment and batteries.

Application

Aluminum sulfate can be used:
  • As a surface modification agent/co-adsorbent for dye sensitizers in solar cell. It improves the surface of photoelectrode and purify dye solution through flocculation.
  • As an electrolyte additive for lead-acid batteries to effectively inhibit the passivation of electrodes. It helps to slow down cathode sulfation and improve the reversibility of the electrode reaction.
  • To prepare aqueous electrolyte for high energy aluminum electrochemical cells. It helps to form artificial solid electrolyte interphase to attain high specific energy.

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H290,H318

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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