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Merck

202614

Sigma-Aldrich

硫酸铝

99.99% trace metals basis

别名:

Aluminium sulphate, Aluminum alum, Dialuminum sulfate, dialuminum trisulfate

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About This Item

线性分子式:
Al2(SO4)3
CAS号:
分子量:
342.15
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NA.23

化驗

99.99% trace metals basis

形狀

powder and chunks

雜質

≤150.0 ppm Trace Metal Analysis

mp

770 °C (dec.) (lit.)

密度

2.71 g/mL at 25 °C (lit.)

應用

battery manufacturing

SMILES 字串

[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 密鑰

DIZPMCHEQGEION-UHFFFAOYSA-H

一般說明

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.

應用

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.

象形圖

Corrosion

訊號詞

Danger

危險聲明

危險分類

Eye Dam. 1 - Met. Corr. 1

儲存類別代碼

8B - Non-combustible corrosive hazardous materials

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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