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Merck

03584

Kaolinite

natural

Synonym(s):

Aluminum silicate

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About This Item

Linear Formula:
Al2O3 · 2SiO2 · 2H2O
CAS Number:
Molecular Weight:
258.16
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352106
EC Number:
215-286-4
MDL number:
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Product Name

Kaolinite, natural

InChI key

HNPSIPDUKPIQMN-UHFFFAOYSA-N

InChI

1S/2Al.O2Si.3O/c;;1-3-2;;;

SMILES string

O=[Si]=O.O=[Al]O[Al]=O

form

powder

quality

natural

Quality Level

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Application

Kaolinite can be used:
  • In the preparation of of polysialate polymers.
  • To prepare mullite composites by sintering kaolinite and alumina.
  • To synthesize microporous materials such as zeolite Linde Type A (LTA) and kaoline based silicoaluminophosphate (SAPO) molecular sieves.
  • In the synthesis of terbium pyridine-picolinate grafted kaoline, as a luminescent hybrid material.
  • As a filler and a coating pigment in the paper industry.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Nucleation and growth history of zeolite LTA synthesized from kaolinite by two different methods.
Rios C A, et al.
Applied Clay Science, 42(3-4), 446-454 (2009)
Synthesis, characterization and crystallization mechanism of SAPOs from natural kaolinite.
Wang T, et al.
Microporous and Mesoporous Materials : The Official Journal of the International Zeolite Association, 136(1-3), 138-147 (2010)
Synthesis and characterisation of materials based on inorganic polymers of alumina and silica: sodium polysialate polymers.
Barbosa V F, et al.
International Journal of Inorganic Materials, 2(4), 309-317 (2000)
Engineered clay products for the paper industry.
Murray H H and Kogel J E
Applied Clay Science, 29(3-4), 199-206 (2005)
Preparation of mullite by the reaction sintering of kaolinite and alumina.
Chen C Y, et al.
J. Eur. Ceram. Soc., 20(14-15), 2519-2525 (2000)

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