688363
Molecular sieves, 4 Å
powder, activated, −325 mesh particle size
Synonym(s):
SYLOSIV® A4, Sodium Alumino-Silicate
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About This Item
Linear Formula:
Na12[(AlO2)12(SiO2)12] · xH2O
CAS Number:
UNSPSC Code:
23201100
eCl@ss:
32110204
NACRES:
NA.21
MDL number:
Product Name
Molecular sieves, 4 Å, powder, activated, −325 mesh particle size
form
powder
particle size
−325 mesh
pore size
4 Å
Quality Level
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Related Categories
Application
Molecules with an effective diameter of 4 Å, including H2O, H2S, CO2, SO2, C2H4 and C3H6 are adsorbed.
General description
Molecular sieves are made up of three dimensional interconnecting networks of silica and alumina tetrahedral. These crystalline metal aluminosilicates have uniform cavities to selectively adsorb specific size molecules. A 4A molecular sieve has an effective pore size of 4Å.
Legal Information
SYLOSIV is a registered trademark of W.R. Grace & Co.-Conn.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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