Product Introduction
15-crown-5 is a chemical with a molecular formula of C10H20O5, a molecular weight of 220.26 g/mol, and a CAS number of 33100-27-5. It belongs to the category of crown ether compounds, which are named for their molecular structure containing a large ring polyether structure, shaped like a "crown", so it is called crown ether or hole ether.
Product Properties
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Product Name: |
15- Crown ether -5 |
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CAS NO.: |
33100-27-5 |
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Molecular Formula: |
C10H20O5 |
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Structural Formula: |
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Molecular Weight: |
220.26 |
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Assay: |
99% min |
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Appearance: |
Colorless liquid |
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Boiling point: |
93℃-96°C/0.05 mmHg |
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Solubility: |
Miscible with water, soluble in alcohol, ethyl acetate, dichloromethane, trichloromethane. |
Product Application
15-crown-5 is widely used in scientific and technological fields, including as an efficient phase transfer catalyst in fine organic synthesis, and in the role of complex agents for the separation and extraction of precious metals and rare earth elements.15 crown-5 has a highly selective ability to recognize specific ions, especially sodium ion Na+, which makes it a key material in ion recognition and separation technologies. It is widely used in chemical analysis, environmental monitoring and purification and recovery of metal ions.
Product Packaging & Storage
500mL bottle, 25KG, 200L plastic bucket. Store in a cool, dry and ventilated place away from light.
FAQ
Q: What are the specific advantages of 15-crown-5 in organic synthesis?
A: In organic synthesis, 15-crown-5 can effectively accelerate reactions involving insoluble reactants (such as inorganic salts) through phase transfer catalysis, which helps these reactants to cross the boundary between the organic and aqueous phases, increasing reaction efficiency and yield, while reducing the production of by-products and simplifying the purification steps of products.
Q: How selective is 15-crown-5 when used as an ion separation agent?
A: 15-crown-5 is particularly good at selectively complexing sodium ions (Na+), which means that in multi-ion environments, it preferentially recognizes and binds sodium ions, which is critical for applications that require precise separation of specific ions, such as in pharmaceuticals, water quality analysis, and metal recycling.
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