Molecular sieves, 3 Å
SIGALD/208574 - beads, 4-8 mesh
Synonym: Molecular Sieve UOP Type 3Å
CAS Number: 308080-99-1
MDL Number: MFCD00147627
Linear Formula: KnNa12-n[(AlO2)12(SiO2)12] · xH2O
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 208574-1KG
This image depicts SKU: 208574-1KG
| form | beads |
| particle size | 4-8 mesh |
| pore size | 3 Å |
| Quality Level | 100  |
| Application: | Molecular sieves have been used for the drying of dimethyl sulfoxide. They may also be used in the following: • Synthesis of ecteinascidin 743 (a potential marine-derived antitumor agent). • Preparation of vanillyl nonanoate (a model capsinoid compound). • Highly enantioselective Friedel-Crafts alkylation of indoles with nitroalkenes. |
| Application: | Molecular sieves, 3 Å may be used in the following processes: • As a general-purpose drying agent in polar and nonpolar media. • Commercial dehydration of unsaturated hydrocarbon streams, including cracked gas, propylene, butadiene, acetylene • Drying polar liquids such as methanol and ethanol. • Adsorption of molecules such as NH3 and H2O from a N2/H2 flow. |
| General description: | Molecular sieves are crystalline metal aluminosilicates having a 3-dimensional interconnecting network of silica and alumina tetrahedra. Natural water of hydration is removed from this network by heating to produce uniform cavities which selectively adsorb molecules of a specific size. The 3A form is made by substituting potassium cations for the inherent sodium ions of the 4A structure, reducing the effective pore size to ~3Å, excluding diameter >3Å, e.g., ethane. The 4 to 8-mesh type is normally used in gas-phase applications. Molecular sieves are considered a universal drying agent in polar and nonpolar media. |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 5 kg in fiber drum |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| UNSPSC | 23201100 |