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03584

Sigma-Aldrich

Kaolinite

natural

Sinónimos:

Aluminum silicate

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About This Item

Fórmula lineal:
Al2O3 · 2SiO2 · 2H2O
Número de CAS:
1318-74-7
Peso molecular:
258.16
EC Number:
215-286-4
MDL number:
MFCD00077645
UNSPSC Code:
12352106
PubChem Substance ID:
329747737
NACRES:
NA.22
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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.[1]
  • To prepare mullite composites by sintering kaolinite and alumina.[2]
  • To synthesize microporous materials such as zeolite Linde Type A (LTA)[3] and kaoline based silicoaluminophosphate (SAPO) molecular sieves.[4]
  • In the synthesis of terbium pyridine-picolinate grafted kaoline, as a luminescent hybrid material.[5]
  • As a filler and a coating pigment in the paper industry.[6]

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
BCCM7452
BCCK5067
BCCL1959
BCCJ1019
BCCG9754

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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)
Alexander Incledion et al.
Biomolecules, 11(1) (2021-01-21)
Clays attributed to have medicinal properties have been used since prehistoric times and are still used today as complementary medicines, which has given rise to unregulated "bioceutical" clays to treat skin conditions. Recently, clays with antibacterial characteristics have been proposed
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)
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)
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Questions

1–2 of 2 Questions  

  1. このカオリナイトのアスペクト比が知りたいのですが、原産地はわかりますでしょうか。

    1 answer

    1. The aspect ratio of this kaolinite is not determined.

      Regarding the origin, a lot specific Certificate of Origin can be supplied by our Technical Service team who can assist you with further. We kindly ask you to navigate to the link https://www.sigmaaldrich.com/techservice, click on "Product Documentation" under the Products Section with all the required information so that a member of our team can reach out to you to assist further. Thank you.

      Helpful?

  2. Does this kaolinite have a known methylene blue value?

    1 answer

    1. A methylene blue value is not determined for this product.

      Helpful?

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