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TON Structure

Product Detail

CAS No. 7631-86-9, TON Structure Type

1. Preparation Method

Hydrothermal Synthesis Method

2. Characterizations



SiO2/Al2O3 Molar Ratio:


BET Surface Area:

>180 m2/g


Powder, Single crystals needle form

Comparative Crystallinity:



<500 ppm

This product is calcined and ready to use directly. And this product can be re-calcined at 550oC if needed.


SEM (1) of ACS Material ZSM-22


SEM (2) of ACS Material ZSM-22


XRD (3) of ACS Material ZSM-22

3. Application:

Catalyst, Paraffin Isomerization

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What is ZSM-22?

ZSM-22, an orthorhombic high silica zeolite (Cmcm, a = 13.86 ± 0.03Å, b = 17.41 ± 0.04Å, and c = 5.04 ± 0.02Å), has a framework consisting of 5-, 6- and 10-rings. The structure contains ferrierite sheets of the type previously found in ZSM-5, ZSM-11 and ZSM-35 and sheets of 6-rings similar to those of the rare zeolite bikitaite. The channel system is linear unidirectional and one-dimensional (noninterconnecting) with 10-membered ring openings which are 5.5 × 4.5 Å. The 10-ring channels are smaller than those found previously in ZSM-5, ZSM-11 and ZSM-35. [1]

[1] Kokotailo, G. T., et al. "The framework topology of ZSM-22: A high silica zeolite." Zeolites 5.6 (1985): 349-351.

Research Citations of ACS Material Products