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LC1470 Crown ether/Dicyclohexyl-18-crown-6

(mixture of cis- and trans-isomers) for synthesis


Order number Packaging Quantity Price €
AC28470 Glass bottle 1 g 12.06
AC28470 Glass bottle 5 g 53.1


Product information
Synonyms 2,5,8,15,18,21-Hexaoxatricyclo[] hexacosane, Dicyclohexyl-18-crown-6
Hill Formula C20H36O6
HS Code 2932 99 00
EC number 240-216-4
Molar mass 372.51 g/mol
CAS number 16069-36-6


Chemical and physical data
Melting point 46 – 50 °C
Molar mass 372.51 g/mol
Flash point 113 °C


Safety information according to GHS
Hazard Statement(s) H301: Toxic if swallowed.
Precautionary Statement(s) P262: Do not get in eyes, on skin, or on clothing.
Signal Word Danger
Hazard Pictogram(s)
RTECS HP5385000
Storage class Combustible substances, toxic
WGK WGK 3 highly water endangering
Disposal 9
Carcinogenic compounds and flammable compounds labelled “Highly toxic” or “Toxic”: container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).


Safety information
R Phrase R 25
Toxic if swallowed.
S Phrase S 25-37-45
Avoid contact with eyes.Wear suitable gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Categories of danger toxic
Hazard Symbol Toxic


Transport information
Declaration (transport by sea) IMDG-Code UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(CROWN ETHER/DICYCLOHEXYL-18-CROWN-6), 6.1, III
Declaration (transport by air) IATA-DGR UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(CROWN ETHER/DICYCLOHEXYL-18-CROWN-6), 6.1, III


Toxicological data
LD 50 oral LD50 rat 176 mg/kg


Assay (GC, area%) ≥ 97 %
Identity (IR) passes test


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