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HomeProduct name listDibenzo-24-crown-8

Dibenzo-24-crown-8

Synonym(s):2,3,14,15-Dibenzo-1,4,7,10,13,16,19,22-octaoxacyclotetracosa-2,14-diene;6,7,9,10,12,13,20,21,23,24,26,27-Dodecahydrodibenz[b,n]-1,4,7,10,13,16,19,22-octaoxacyclotetracosane;Crown ether/Dibenzo-24-crown-8;Dibenzo-24-crown-8, 1,4,7,10,17,20,23,26-Octaoxa[10.10]orthocyclophane

  • CAS NO.:14174-09-5
  • Empirical Formula: C24H32O8
  • Molecular Weight: 448.51
  • MDL number: MFCD00005101
  • EINECS: 238-027-7
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-06-08 17:06:37
Dibenzo-24-crown-8 Structural

What is Dibenzo-24-crown-8?

Chemical properties

white powder

Purification Methods

Recrystallise it from EtOH, and dry in a vacuum at 60o over P2O5 for 16hours. [Delville et al. J Am Chem Soc 109 7293 1987, V.gtle ed. Top Corr Chem (Host Guest Complex Chemistry) 98 1981.]

Properties of Dibenzo-24-crown-8

Melting point: 103-105 °C(lit.)
Boiling point: 517.23°C (rough estimate)
Density  1.1606 (rough estimate)
refractive index  1.5500 (estimate)
storage temp.  Store below +30°C.
solubility  almost transparency in hot Methanol
form  crystal
color  white
Sensitive  air sensitive
BRN  1693744
CAS DataBase Reference 14174-09-5(CAS DataBase Reference)
NIST Chemistry Reference Tetracosamethylcyclododecasiloxane(14174-09-5)

Safety information for Dibenzo-24-crown-8

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.

Computed Descriptors for Dibenzo-24-crown-8

InChIKey UNTITLLXXOKDTB-UHFFFAOYSA-N

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