Molecular sieve 3A (0.3 nm, 3 Å), rods, GPR RECTAPUR®, Ø ~1.6 mm

Supplier: VWR Chemicals

Synonyms: Molecular sieve A3

28461.292EA 220 EUR
28461.292 28461.230
Molecular sieve 3A (0.3 nm, 3 Å), rods, GPR RECTAPUR®, Ø ~1.6 mm
Molecular sieve 3A (0.3 nm, 3 Å)

This molecular sieve is a clay-bound potassium form of Type A molecular sieve. A 3Å molecular sieve will adsorb molecules with critical diameters up to three angstroms. It adsorbs water and ammonia, but not larger molecules like ethane.


  • Equilibrium H2O capacity: ~ 21% (wt) (measured at 17.5mm Hg; 25°C)

Formula: KnNa₁₂-n[(AlO₂)₁₂(SiO₂)₁₂]·xH₂O
Storage Temperature: Ambient
MDL Number: MFCD00131613
EINECS: 215-283-8

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Specification Test Results

Identification Passes test
Loss on ignition (575 °C) max. 2.0%

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