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Molecular sieve 3 Å, 2.5 kg, plastic

0,3 nm, type 564, pearls
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Melting point (mp) >400 °C
Storage temp. +15 to +25 °C
CAS No. [1318-02-1]
EG-Nr. 215-283-8

Metal-aluminium silicates for drying, cleaning or separating of liquids and gases. Spheres Ø 1.6-2.5 mm.

Type analysis
€173.65 /Pack Qty.

€138.55/Pack Qty.  Campaign price!

excl. VAT. | 2.5 kg per Pack Qty.

Art. No. 8487.3

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Molecular sieve 3 Å
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Order No. Pack Qty. Pack. Price Quantity
8487.1 250 g glass €23.65
8487.2 750 g glass €53.20
8487.3 2.5 kg plastic €138.55
8487.7 5 kg plastic €248.20
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General information

Molecular Sieves

Molecular SievesFor drying, cleaning or separating liquids and gases. Properties:

  • Spherical metal aluminium silicates
  • Spheres Ø 1,6-2,5 mm and 2,5-5,0 mm
  • Active surface: 600-700 m2/g
  • Activated at 500-600 °C; we nevertheless recommend activating the molecular sieve again before using it for the first time
  • In desiccators, drying tubes, columns
  • For drying streaming gases
  • For absoluting organic solvents
  • For separating organic solvents


Regenerating:• In drying cabinets at 200-300 °C

• Through pressure change or rinsing

Critical molecular diameter for frequently occurring molecules, in Å (1 angstrom = 10-10 m = 0.1 nm)

Critical molecular diameter for frequently occurring molecules, in Å (1 angstrom = 10-10 m = 0.1 nm)

Molecule Size [Å]

Molecule Size [Å]
Acetylene 3,3

Methane 3,8
Ammoniac 2,9

Propane 4,3
Argon 3,8

Methanol 3,6
Benzole/toluene 5,8

Methyl mercaptan 3,8
n-butanes and higher nhydrocarbons 4,3

Propane 4,3
i-butane and higher ihydrocarbons 5,1

Propylene 4,0
i-butene 4,0

Oxygen 3,5
trans-2-butene 5,1

Hydrogen sulphide 3,6
1.3 butadiene 5,8

Nitrogen 3,6
Cyclohexane 6,0

Carbon tetrachloride 5,9
Dimethylpropane 6,2

Thiophene 5,3
Ethane 4,2

Triethylamine 7,8
Ethanol 4,2

Trichlormethane/Chloroform 6,9
Ethylene 3,9

Water 2,6
Ethyl mercaptan 3,8

Hydrogen 2,4
Helium 2,0

o-Xylol 6,6
Carbon monoxide 3,7

m-Xylol 6,3
Carbon dioxide 3,3

p-Xylol 5,9

Certificates of Analysis

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Type analysis

H2O ads. capacity (10 % R.H./25 °C)≥15,5 %  
Loss on ignition≤2,5 %  
Globe diameter1,6-2,5 mm  
Crush strength≥15 N  

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