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Structure of 17455-13-9
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18-Crown-6 is a macrocyclic polyether used to synthesize ionic liquid based crown-ether coordination compounds. 18-Crown-6 is the simplest crown ether that can be prepared by reacting triethylene glycol with triethylene glycol dichloride in the presence of potassium hydroxide as a base. 18-Crown-6 can solubilize metal salts, particularly potassium salts, in nonpolar and dipolar aprotic solvents. Thus, it is widely used as a phase transfer catalyst. It can also be used as a metal complexing agent to prepare a variety of molecular complexes.18-Crown-6 can be used as a catalyst for: N-alkylation of heterocyclic compounds in the presence of tert-butoxide base. Allylation of aldehydes to corresponding homoallylic alcohols using potassium allyltrifluoroborate. Preparation of N-propargylpyrrole by the reaction of pyrrole with potassium hydroxide.Polymerization of methacrylic esters and hindered alkyl acrylates. Chemoselective reduction of fused tetrazoles with NaBH4 and potassium hydroxide.
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GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302
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Precautionary Statements : P264-P270-P330-P501
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Lot numbers can be found on the outside label of a product: