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03584

Sigma-Aldrich

Kaolinite

natural

Synonym(s):

Aluminum silicate

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About This Item

Linear Formula:
Al2O3 · 2SiO2 · 2H2O
CAS Number:
1318-74-7
Molecular Weight:
258.16
EC Number:
215-286-4
MDL number:
MFCD00077645
UNSPSC Code:
12352106
PubChem Substance ID:
329747737
NACRES:
NA.22

form

powder

Quality Level

100

quality

natural

SMILES string

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

InChI

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

InChI key

HNPSIPDUKPIQMN-UHFFFAOYSA-N

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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 Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCG9754
BCCG1724
BCCC6570
BCBZ1807
BCBV6863

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New Highly Luminescent Hybrid Materials: Terbium Pyridine? Picolinate Covalently Grafted on Kaolinite.
de Faria E H, et al.
ACS Applied Materials & Interfaces, 3(4), 1311-1318 (2011)
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)
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)
Engineered clay products for the paper industry.
Murray H H and Kogel J E
Applied Clay Science, 29(3-4), 199-206 (2005)
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)
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