| Identification | Back Directory | [Name]
KAOLINITE, NATURAL | [CAS]
1318-74-7 | [Synonyms]
KAOLINITE
KAOLINITE
KAOLINITE
KAOLINITE, NATURAL
AluminiumsilicateQP
Kaolinite (Al2(OH)4(Si2O5))
C. I. Pigment White 19 (77004)
Colloidal Kaolin - USP BC 2747
Dialuminum disilicon pentaoxide tetrahydroxide | [EINECS(EC#)]
215-286-4 | [Molecular Formula]
Al.1/2H6O7Si2.H2O | [MDL Number]
MFCD00077645 | [MOL File]
1318-74-7.mol | [Molecular Weight]
258.16 |
| Hazard Information | Back Directory | [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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