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811684  Crown ether/18-Crown-6
for synthesis

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23 April 2014

Product number Packaging Qty/Pk Quantity Price
8116840002  Glass bottle   2 g  loading
8116840005  Glass bottle   5 g  loading
8116840025  Glass bottle   25 g  loading
Prices are subject to change without notice.
Product information
Synonyms 1,4,7,10,13,16-Hexaoxacyclooctadecane, 18-Crown-6
Hill Formula C12H24O6
HS Code 2932 99 00
EC number 241-473-5
Molar mass 264.32 g/mol
CAS number 17455-13-9
Chemical and physical data
Melting point 36 - 39 °C
Molar mass 264.32 g/mol
Flash point 109 °C
Safety information according to GHS
Hazard Statement(s) H302: Harmful if swallowed.
Precautionary Statement(s) P262: Do not get in eyes, on skin, or on clothing.
Signal Word Warning
Hazard Pictogram(s)
Storage class 10 - 13 Other liquids and solids
WGK WGK 2 water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Safety information
R Phrase R 22
Harmful if swallowed.
S Phrase S 24/25
Avoid contact with skin and eyes.
Categories of danger harmful
Hazard Symbol
Toxicological data
LD 50 oral LD50 rat 525 mg/kg
LD 50 dermal LD50 rabbit 3888 mg/kg
Crown ether/18-Crown-6, molecular structure

© Merck KGaA, Darmstadt, Germany, 2014


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