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Merck
CN

308579

5,6-Benzo-4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo[8.8.8]hexacos-5-ene solution

50 wt. % in toluene

Synonym(s):

Kryptofix® 222B, Kryptand 222B

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About This Item

Empirical Formula (Hill Notation):
C22H36N2O6
CAS Number:
Molecular Weight:
424.53
UNSPSC Code:
12352005
NACRES:
NA.22
PubChem Substance ID:
EC Number:
250-532-4
Beilstein/REAXYS Number:
586455
MDL number:
Form:
liquid
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form

liquid

Quality Level

concentration

50 wt. % in toluene

refractive index

n20/D 1.516

density

0.995 g/mL at 25 °C

functional group

ether

SMILES string

C1COCCN2CCOCCOCCN(CCO1)CCOc3ccccc3OCC2

InChI

1S/C22H36N2O6/c1-2-4-22-21(3-1)29-15-9-23-5-11-25-17-19-27-13-7-24(10-16-30-22)8-14-28-20-18-26-12-6-23/h1-4H,5-20H2

InChI key

QXLUTPDNMOEWGG-UHFFFAOYSA-N

Application

5,6-Benzo-4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo[8.8.8]hexacos-5-ene can be used as a model ligand:
  • In the metal-ligand complex formation studies to predict ligand coordination with metal ions (Eu & Gd) using magnetic resonance imaging (MRI) technique.
  • In the study of coordination environment as well as redox and electronic properties of its YbII complexes.

Legal Information

Kryptofix is a registered trademark of Merck KGaA, Darmstadt, Germany


signalword

Danger

Hazard Classifications

Aquatic Chronic 3 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 2 - STOT SE 3

target_organs

Central nervous system, Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

46.4 °F - closed cup

flash_point_c

8 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品
易制毒化学品(3类)

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Articles

Crown ethers and cryptands, complexing agents able to selectively bind metal cations, are vital for diverse synthesis and analytical applications.


Spectroscopic and Electrochemical Trends in Divalent Lanthanides through Modulation of Coordination Environment
Jenks TC, et al.
Inorganic Chemistry, 59(4), 2613-2620 (2020)
Screening of ligands for redox-active europium using magnetic resonance imaging
Corbin BA, et al.
Bioorganic & Medicinal Chemistry, 26(19), 5274-5279 (2018)



Global Trade Item Number

SKUGTIN
308579-100MG04061838062635