Molecular sieves 4A, 3 to 4mm (0.12 to 0.16 in.) dia. pellets
Molecular sieves 4A
CAS: 70955-01-0
Molecular Formula: C20H25FN2O8
Molecular sieves 4A, 3 to 4mm (0.12 to 0.16 in.) dia. pellets - Names and Identifiers
Molecular sieves 4A, 3 to 4mm (0.12 to 0.16 in.) dia. pellets - Physico-chemical Properties
| Molecular Formula | C20H25FN2O8 |
| Molar Mass | 440.4195032 |
| Water Solubility | Insoluble in cold water, hot water, methanol, diethyl ether, n-octanol and acetone. |
| Appearance | beads |
| Color | White to Light Brown |
| Storage Condition | Sealed in dry,Room Temperature |
| Stability | Stable. Incompatible with strong acids, strong bases. Hygroscopic. |
| Sensitive | 5: forms reversible hydrate |
| MDL | MFCD00131613 |
| Physical and Chemical Properties | Off-white powder or granules. |
| Use | For oil and natural gas purification, paraffin separation desiccant |
Molecular sieves 4A, 3 to 4mm (0.12 to 0.16 in.) dia. pellets - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37 - Irritating to eyes and respiratory system. R36/37/38 - Irritating to eyes, respiratory system and skin. R43 - May cause sensitization by skin contact |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S36/37 - Wear suitable protective clothing and gloves. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 38249099 |
| Hazard Class | 9 |
Molecular sieves 4A, 3 to 4mm (0.12 to 0.16 in.) dia. pellets - Nature
Open Data Verified Data
off-white powder or granules. See 3A Molecular sieves for others.
Last Update：2024-01-02 23:10:35
Molecular sieves 4A, 3 to 4mm (0.12 to 0.16 in.) dia. pellets - Preparation Method
Open Data Verified Data
hydrothermal synthesis method: water glass, sodium aluminate, sodium hydroxide as raw materials. The preparation of water glass solution and the preparation of sodium metaaluminate are shown in 3A Molecular sieve. The water glass, sodium metaaluminate, sodium hydroxide in accordance with a certain ratio (generally Al203 : Si02 : Na20 :H20 = 1: 2 t 3 : 185) mixed, at 40 ℃ or more, strong stirring reaction, the gel is formed, then heated to (102±2)℃, and crystallized statically at this temperature to form crystal powder, which is filtered, washed and dried to obtain 4A molecular sieve powder, 4A molecular sieve was prepared by kneading with binder, molding, and burning activation at a certain temperature.
Last Update：2022-01-01 11:03:31
Molecular sieves 4A, 3 to 4mm (0.12 to 0.16 in.) dia. pellets - Introduction
The pore size of 4A molecular sieve is about 4 angstroms, which is mainly suitable for drying gas and liquid. It can adsorb H2O, NH3, H2S, CO2, SO2, CO, methyl chloride, methyl bromide, acetylene, ethane, ethylene, propylene, etc. Widely used in the drying of oil field associated gas, natural gas, etc. It is also widely used for dehydration of ethanol. It is also used to prevent condensation of vacuum glass, etc. Used as a chromatographic reagent. Selective adsorbent. Catalyst or catalyst carrier. Used for the separation of methane, ethane and propane. Separation of ethylene from coke gas. Also used as a desiccant. Deep drying of air, natural gas, alkanes, refrigerants and other gases and liquids; preparation and purification of argon; static drying of electronic components and materials susceptible to damp and deterioration; paint, polyester, dyes, and dehydrating agents in coatings.
Last Update：2022-10-16 17:28:07
Molecular sieves 4A, 3 to 4mm (0.12 to 0.16 in.) dia. pellets - Use
Open Data Verified Data
for chromatographic analysis. For the separation of methane, ethane and propane. It can also be used as a drying agent and detergent component.
Last Update：2022-01-01 11:03:30
Molecular sieves 4A, 3 to 4mm (0.12 to 0.16 in.) dia. pellets - Safety
Open Data Verified Data
packed in a carton or drum lined with a polyethylene plastic bag. 20kg, 30kg net weight. Storage in a dry warehouse. Should be moisture-proof. Do not store and mix with strong acid and strong base. Mixing with oil or other liquid organic matter is prohibited. When loading and unloading should be light to prevent packaging damage. Avoid water immersion. Toxicity and protection: inhalation of dust can cause "pneumoconiosis" lung sclerosis. Pay attention to dust prevention.
Last Update：2022-01-01 11:03:31
Molecular sieves 4A, 3 to 4mm (0.12 to 0.16 in.) dia. pellets - Reference Information
| Application | for oil and gas purification, Alkane separation and drying agent |
Last Update：2024-04-09 21:04:16
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Product Name: Molecular sieves 4A Request for quotation
CAS: 70955-01-0
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CAS: 70955-01-0
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