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  • 12- Crown Ether -4
    12-Crown-4 (12-crown-4) is an organic compound belonging to the crown ether family with a molecular formula of C8H16O4 and a molecular weight of 176.21 g/mol. Crown ether is a class of
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  • Tetrapropylammonium Chloride
    Tetrapropylammonium Chloride 97% (CAS 5810-42-4) is a quaternary ammonium which is commonly used as a phase transfer catalyst, surfactant, and intermediate in the synthesis of other chemicals, we are
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  • Tetrabutylammonium Bromide
    Tetrabutylammonium Bromide 99.0% (CAS 1643-19-2) is a widely used phase transfer catalyst, commonly used in organic synthesis, esterification reactions, alkylation reactions, and other fields. Our
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  • Tetrabutylammonium Chloride 95%
    Tetrabutylammonium chloride (TBACL) is a quaternary ammonium compound. The form ₆ was C₁₆H₃ ClN and its molecular weight was approximately 277.92 g/mol. It has certain hygroscopicity and is easily
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  • Tetrabutylammonium Fluoride Trihydrate
    Tetrabutylammonium fluoride hydrate (CAS 87749-50-6) is available in two concentrations: 82% and 85%. It contains crystal water, its anhydrous base is 98%min. It is an important selective
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  • Tetrabutylammonium Tribromide
    Tetrabutylammonium tribromide (CAS 38932-80-8) is a stable orange non-toxic solid with a melting point of 69–75°C. It is insoluble in water but soluble in chloroform, dichloromethane, ethyl acetate,
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  • Benzyl Triethyl Ammonium Chloride
    Benzyltriethylammonium chloride (CAS 56-37-1), with a purity of 99.0% min, is a quaternary ammonium salt. It shares similar properties with inorganic salts, being water-soluble and capable of
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  • Triethylamine Hydrobromide
    Triethylamine hydrobromide (CAS 636-70-4) , Purity 99.0% min,it is a white crystalline solid that is stable at room temperature. It is strongly hygroscopic and soluble in water. Its aqueous solution
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  • Tetrapropylammonium Hydroxide
    Tetrapropylammonium hydroxide (CAS 4499-86-9) can be used as an alkaline catalyst in organic synthesis reactions. In addition, it also has surface activity and antistatic properties, making it useful
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  • 15- Crown Ether -5
    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
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  • 18- Crown Ether -6
    18-crown-6 is an organic compound with the formula C12H24O6. It belongs to the macrocyclic ether class, characterized by a large ring in the molecular structure, with multiple oxygen atoms
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  • Dibenzo-18-crown-6
    Dibenzo-18-crown ether-6, specifically, is a ring structure composed of two benzene rings through 18 carbon atoms and 6 oxygen atoms, of which 6 oxygen atoms are located on the ring, spaced apart,
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Single crystal Raman studies of ethylene oxide cyclic tetramer ......

Jun 1, 1974 · Polarized single crystal Raman spectra of the following complexes of ethylene oxide cyclic tetramer (1,4,7,10-tetraoxacylcododecane, “EOc4”) were measured: LiBr·EOc4, LiCl· EOc4, CaCl 2...

Cationic Oligomerization of Ethylene Oxide - Nature...

ABSTRACT: The oligomerization of ethylene oxide (EO) was investigated with several cationic catalysts to find a method for producing cyclic oligomers (crown ethers). The reactions were......

Heterocyclic Crown Ethers with Potential Biological …...

Jan 21, 2022 · Macrocyclic polyethers are crown ethers; they possess various ethylene oxide units covalently linked in a macrocyclic ring either substituted or unsubstituted and form the simplest...

Crown Ether: Definition, Preparation, Uses - Science Info...

Jul 25, 2023 · CE are cyclic chemical compounds composed of a ring with many ether groups. The most prevalent CEs are ethylene oxide oligomers. The tetramer (n = 4), pentamer (n 5), and hexamer (n 6)...

Testicular atrophy from inhalation of ethylene oxide cyclic tetramer ......

DOI: 10.1016/0041-008X(74)90206-3 Corpus ID: 40025501; Testicular atrophy from inhalation of ethylene oxide cyclic tetramer. @article{Leong1974TesticularAF, title={Testicular atrophy from inhalation...

Single crystal Raman studies of ethylene oxide cyclic tetramer ......

Polarized single crystal Raman spectra of the following complexes of ethylene oxide cyclic tetramer (1,4,7,10-tetraoxacylcododecane, "EOc4") were measured: LiBr·EOc4, LiCl· EOc4, CaCl 2 ·EOc4·8H 2 O,...

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