Millipore Sigma Vibrant Logo
Attention: We have moved. Merck Millipore products are no longer available for purchase on MerckMillipore.com.Learn More

811731 Crown ether/Dibenzo-18-crown-6

811731
Purchase on Sigma-Aldrich

Overview

Key Spec Table

CAS #EC NumberHill FormulaMolar Mass
14187-32-7238-041-3C₂₀H₂₄O₆360.41 g/mol

Products

Catalogue NumberPackaging Qty/Pack
8117310005 Glass bottle 5 g
8117310050 Glass bottle 50 g
Description
Catalogue Number811731
SynonymsDibenzo-18-crown-6, 1,4,7,14,17,20-Hexaoxa[7.7]orthocyclophane
Product Information
CAS number14187-32-7
EC number238-041-3
Hill FormulaC₂₀H₂₄O₆
Molar Mass360.41 g/mol
HS Code2932 99 00
Structure formula ImageStructure formula Image
Quality LevelMQ200
Applications
ApplicationCrown ether/Dibenzo-18-crown-6 for synthesis. CAS 14187-32-7, molar mass 360.41 g/mol.
Physicochemical Information
Melting Point162 - 164 °C
Solubility0.007 g/l
Toxicological Information
LD 50 oralLD50 Rat 2600 mg/kg
Safety Information according to GHS
Storage class10 - 13 Other liquids and solids
WGKWGK 3 highly hazardous to water
Disposal3
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.
Storage and Shipping Information
StorageStore below +30°C.
Specifications
Assay (GC, area%)≥ 98.0 % (a/a)
Melting range (lower value)≥ 158 °C
Melting range (upper value)≤ 163 °C
Identity (IR)passes test
Global Trade Item Number
Catalogue Number GTIN
8117310005 04022536403793
8117310050 04022536894805