Dibenzo-18-crown-6
Synonym(s):Dibenzo-18-crown-6;DB18C6;2,3,11,12-Dibenzo-1,4,7,10,13,16-hexaoxacyclooctadeca-2,11-diene;6,7,9,10,17,18,20,21-Octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecene;Crown ether/Dibenzo-18-crown-6
- CAS NO.:14187-32-7
- Empirical Formula: C20H24O6
- Molecular Weight: 360.4
- MDL number: MFCD00005098
- EINECS: 238-041-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-01 18:09:03
What is Dibenzo-18-crown-6?
Chemical properties
white to slightly beige fluffy powder
The Uses of Dibenzo-18-crown-6
Dibenzo-18-crown-6, is used as an important raw material and intermediate used in organic Synthesis, pharmaceuticals, agrochemicals and dyestuff. It is an important organic intermediate.
The Uses of Dibenzo-18-crown-6
Crown ether/Dibenzo-18-crown-6 for synthesis. CAS 14187-32-7, molar mass 360.41 g/mol.
Definition
ChEBI: Dibenzo-18-crown-6 is a crown ether that is 18-crown-6 ortho-fused to two benzene rings at positions 8-9 and 17-18. It has a role as a phase-transfer catalyst. It is a member of benzenes and a crown ether.
Purification Methods
Crystallise it from *benzene, n-heptane or toluene and dry it under vacuum at room temperature for several days. [Szezygiel J Phys Chem 91 1252 1987, V.gtle ed. Top Corr Chem (Host Guest Complex Chemistry) 98 1981.]
Properties of Dibenzo-18-crown-6
Melting point: | 162-164 °C (lit.) |
Boiling point: | 380-384 °C (679 mmHg) |
Density | 1.1801 (rough estimate) |
refractive index | 1.5200 (estimate) |
Flash point: | 380-384°C/679mm |
storage temp. | Store below +30°C. |
solubility | 0.007g/l |
form | Fluffy Powder |
color | White to slightly beige |
Water Solubility | sparingly soluble |
Sensitive | air sensitive |
λmax | 277nm(CH2Cl2)(lit.) |
Merck | 14,2602 |
BRN | 1162153 |
CAS DataBase Reference | 14187-32-7(CAS DataBase Reference) |
NIST Chemistry Reference | Dibenzo-18-crown-6(14187-32-7) |
EPA Substance Registry System | Dibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecin, 6,7,9,10,17,18,20,21-octahydro- (14187-32-7) |
Safety information for Dibenzo-18-crown-6
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for Dibenzo-18-crown-6
InChIKey | YSSSPARMOAYJTE-UHFFFAOYSA-N |
Abamectin manufacturer
ALTRAKEM PHARMA LIFE SCIENCES PRIVATE LIMITED
Delta Finochem Pvt Ltd
Dr. Silviu Pharmachem Pvt., Ltd.
Omshri Labs Pvt Ltd
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