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
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) |
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 |
New Products
ALUMINIUM IODIDE 100 GM BUFFER CAPSULE PH 7.0 - 10 CAP BUFFER SOLUTION PH 9.5 (BORATE) EZEE BLUE GEL STAINER BORAX CARMINE (GRENACHERS ALCOHOLIC) POTASSIUM IODATE - IODIDE SOLN 0.1 N Dabigatran Acyl-O3-D-Glucuronide Trifluoroacetic Acid Salt Isofolic Acid Dabigatran 2-O-acylglucuronide metabolite Dabigatran Acyl-?-D- glucuronide Trifluroacetic Acid Erythromycin EP Impurity A Desloratidine Related Compound ARelated products of tetrahydrofuran
Isophthalic acid
Diphenyl ether
12-Crown-4
Benzophenone
p-Phenylenediamine
Bis(2-ethylhexyl) phthalate
Phthalic acid
Potassium hydrogen phthalate
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