4,13-Diaza-18-crown 6-ether
Synonym(s):1,10-Diaza-18-crown-6;1,7,10,16-Tetraoxa-4,13-diazacyclooctadecane;Kryptofix 22
- CAS NO.：23978-55-4
- Empirical Formula: C12H26N2O4
- Molecular Weight: 262.35
- MDL number: MFCD00005112
- EINECS: 245-965-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-04-01 18:08:31
What is 4,13-Diaza-18-crown 6-ether?
Chemical properties
off-white shiny crystalline powder
The Uses of 4,13-Diaza-18-crown 6-ether
1,4,10,13-Tetraoxa-7,16-diazacyclooctadecane is a crown ether, which can be used:
- In the spectroscopic studies of its complex-forming reaction with iodine.
- To prepare the ligand 7,16-bis(5-t-butyl-2-hydroxybenzyl)-1,4,10,13-tetraoxa-7,16-diazacyclooctadecane.
- As a ligand in the study of zirconium facilitated hydrolysis of a dipeptide at neutral pH.
What are the applications of Application
1,4,10,13-Tetraoxa-7,16-diazacyclooctadecane is an ether
Purification Methods
Twice recrystallise it from *benzene/n-heptane, and dry it for 24hours under high vacuum [Weber & V.gtle Top Curr Chem (Springer Verlag, Berlin) 98 1 1981, D'Aprano & Sesta J Phys Chem 91 2415 1987].
Properties of 4,13-Diaza-18-crown 6-ether
| Melting point: | 111-114 °C(lit.) |
| Boiling point: | 405.6°C (rough estimate) |
| Density | 1.0807 (rough estimate) |
| refractive index | 1.4560 (estimate) |
| storage temp. | Store below +30°C. |
| form | Shiny Crystalline Powder |
| pka | 9.00±0.20(Predicted) |
| color | Off-white |
| Water Solubility | Soluble in water. |
| BRN | 609764 |
| CAS DataBase Reference | 23978-55-4(CAS DataBase Reference) |
Safety information for 4,13-Diaza-18-crown 6-ether
| 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. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4,13-Diaza-18-crown 6-ether
New Products
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