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Merck
CN

11044

硫酸铝 十八水合物

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

别名:

水合硫酸铝

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关于此项目

线性分子式:
Al2(SO4)3 · 18H2O
化学文摘社编号:
分子量:
666.43
PubChem Substance ID:
UNSPSC Code:
12352302
NACRES:
NA.21
EC Number:
233-135-0
Assay:
100-110%
Form:
crystals or chunks
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Quality Segment

grade

puriss.

assay

100-110%

form

crystals or chunks

quality

meets analytical specification of Ph. Eur., BP

concentration

51.0-59.0% Al2(SO4)3

impurities

residual solvents, complies, ≤0.002% heavy metals (as Pb), ≤0.003% ammonium (NH4), ≤0.2% sub.not precip.b.NH4OH(SO4)

pH

2.5-4.0 (20 °C, 2%)

anion traces

chloride (Cl-): ≤50 mg/kg

cation traces

As: ≤3 mg/kg, Fe: ≤50 mg/kg

suitability

complies for appearance of solution

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 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.

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.



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pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

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

存储类别

8B - Non-combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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