| Company Name: |
Sigma-Aldrich |
| Tel: |
021-61415566 800-8193336 |
| Email: |
orderCN@merckgroup.com |
Kaolinite manufacturers
- Kaolinite
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2025-12-24
- CAS:1318-74-7
- Min. Order: 1KG
- Purity: 99.0%
- Supply Ability: 10000KG
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| | Kaolinite Basic information |
| Product Name: | Kaolinite | | Synonyms: | Dialuminum disilicon pentaoxide tetrahydroxide;KAOLINITE, NATURAL;AluminiumsilicateQP;Kaolinite (Al2(OH)4(Si2O5));C. I. Pigment White 19 (77004);Colloidal Kaolin - USP BC 2747;KAOLINITE | | CAS: | 1318-74-7 | | MF: | Al2H4O9Si2 | | MW: | 258.160436 | | EINECS: | 215-286-4 | | Product Categories: | | | Mol File: | 1318-74-7.mol |  |
| | Kaolinite Chemical Properties |
| Melting point | 560-600 °C (decomp) | | density | 2.596 g/cm3 | | form | powder | | InChI | 1S/2Al.O2Si.3O/c;;1-3-2;;; | | InChIKey | HNPSIPDUKPIQMN-UHFFFAOYSA-N | | SMILES | O=[Si]=O.O=[Al]O[Al]=O | | EPA Substance Registry System | Kaolinite (Al2(OH)4(Si2O5)) (1318-74-7) |
| WGK Germany | 3 | | TSCA | TSCA listed | | Storage Class | 11 - Combustible Solids |
| | Kaolinite Usage And Synthesis |
| Chemical Properties | Off-white powder with a soft, white texture. Density 2.54-2.60 mg/cm. Melting point approximately 1785°C. Excellent light resistance and very stable to dilute acids and alkalis. | | Physical properties | Habit: platy, massive.
Color: white, brownish white, grayish white, yellowish white,
or grayish green.
Diaphaneity: transparent to translucent.
Luster: earthy (i.e., dull).
Streak: white.
Cleavage: (001) perfect.
Fracture: flexible. | | Uses | 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.
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| | Kaolinite Preparation Products And Raw materials |
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