Dibenzo-21-crown-7

Synonym
Product Category
Product Code
CAS Number
MDL Number
Pubchem CID
Reaxys RN
Dibenzo-21-crown 7-Ether, DB21C7
Nonfluorochemicals, Crown ethers
KUMI0F231
14098-41-0
MFCD00068646
585932
1693830
image-155171-Trimethyl(trifluoromethyl)silane_reagent.png
Chemical Name
Molecular Formula
Molecular Weight
Assay
Appearance
Melting Point
Packaging
Storage
Dibenzo-21-crown-7
C22H28O7
404.45
≥98%
White to Beige Solid
103-107°C
5g,10g,20g,50g,100g,500g and 1kg
Store at 2-8 temp.
Dibenzo-21-crown-7 is a crown ether that is typically used as selective extraction solvent.
Selective extraction of alkali metal ions from bittern using picrate anion and crown ethers as ligand: An experimental and theoretical study. [1] 
Synergistic extraction of some univalent cations into nitrobenzene by using sodium dicarbollylcobaltate and dibenzo-21-crown-7. [2] 
References:
[1] P. Agnihotri, et al, Indian J. Chem. B, 2003, 42(9), pp 2439-2446.
[2] E.Makrlik, et al, Acta. Chim. Slov., 2012, 59(2), pp 418-421.
Signal Word
Hazard Statements
Precautionary Statements
HS Code
RIDADR
Legal Information
Danger
H301,H319
P301+P330+P331+P310,P305+P351+P338
29329900900
NONH for all modes of transport

1. Product Specification
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2. Safety Data Sheet
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