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| CAS No.: | 63231-69-6 |
|---|---|
| Name: | MOLECULAR SIEVE |
| Molecular Structure: | |
|
|
|
| Formula: | AlCaNaO9Si3 |
| Molecular Weight: | 318.299987792969 |
| Synonyms: | Zeolites,13X; 13X zeolites; Linde Mol. Sieve 13X; Linde Molecular Sieve 13X; MS 13X;Mizuka Sieves 13X; Mizuka Sieves 13X488; Mizukalizer 13X; Molecular sieve 13x;Molsiv 13X; Purasiv 628; Purmol 13X; Zeolite 13X APG; Zeosorb 13X |
| Melting Point: | >600℃ |
| Solubility: | It is insoluble in water. |
| Hazard Symbols: | Xn,Xi |
| Risk Codes: | 36/37/38-36/37 |
| PSA: | 0.00000 |
| LogP: | 0.00000 |
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Chemistry
IUPAC Name: Molecular sieve
The MF of Molecular sieve (63231-69-6) is Al2O5Si.
The MW of Molecular sieve (63231-69-6) is 162.0456.
Synonyms of Molecular sieve (63231-69-6): Aluminum oxide silicate ; Aluminosilicate ; Aluminosilicate molecular sieve ; Aluminum silicate ; Kaolinite ; Mullite
Sensitive: Hygroscopic
EINECS: 215-684-8
Form: white powder
Uses
Molecular sieve (63231-69-6) is used for liquefied petroleum gas, natural gas drying, desulfurization, clean.
Safety Profile
Safety information of Molecular sieve (63231-69-6):
Hazard Codes 
Xn,Xi
Risk Statements
36/37/38 Irritating to eyes, respiratory system and skin
Safety Statements
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36 Wear suitable protective clothing
WGK Germany 3
RTECS ZG6800000
F 3
TSCA Yes
Specification
A molecular sieve is a material containing tiny pores of a precise and uniform size that is used as an adsorbent for gases and liquids.
Molecules small enough to pass through the pores are adsorbed while larger molecules are not. It is different from a common filter in that it operates on a molecular level. For instance, a water molecule may not be small enough to pass through while the smaller molecules in the gas pass through. Because of this, they often function as a desiccant. A molecular sieve can adsorb water up to 22% of its own weight.
Often they consist of aluminosilicate minerals, clays, porous glasses, microporous charcoals, zeolites, active carbons, or synthetic compounds that have open structures through which small molecules, such as nitrogen and water can diffuse.
Molecular sieves are often utilized in the petroleum industry, especially for the purification of gas streams and in the chemistry laboratory for separating compounds and drying reaction starting materials. The mercury content of natural gas is extremely harmful to the aluminium piping and other parts of the liquefaction apparatus - silica gel is used in this case.
Methods for regeneration of molecular sieves include pressure change (as in oxygen concentrators), heating and purging with a carrier gas (as when used in ethanol dehydration), or heating under high vacuum.