1,4,10,13-Pentaoxacyclopentadecan
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- CAS-Nr.
- 33100-27-5
- Bezeichnung:
- 1,4,10,13-Pentaoxacyclopentadecan
- Englisch Name:
- 15-Crown-5
- Synonyma:
- 1,4,7,10,13-PENTAOXACYCLOPENTADECANE;15-CROWN 5-ETHER;15-CROWN-5;15-Crown-6;Crownethers;crown ether;15-CROWN-5,99%;15-Crown-5 98%;JACS-33100-27-5;LEAD IONOPHORE V
- CBNumber:
- CB9707287
- Summenformel:
- C10H20O5
- Molgewicht:
- 220.26
- MOL-Datei:
- 33100-27-5.mol
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1,4,10,13-Pentaoxacyclopentadecan Eigenschaften
- Schmelzpunkt:
- -20°C(lit.)
- Siedepunkt:
- 93-96 °C/0.05 mmHg (lit.)
- Dichte
- 1.113 g/mL at 20 °C (lit.)
- Dampfdruck
- 0.5-0.82Pa at 20-25℃
- Brechungsindex
- n20/D 1.465(lit.)
- Flammpunkt:
- >230 °F
- storage temp.
- room temp
- L?slichkeit
- Miscible with organic solvents.
- Aggregatzustand
- Liquid
- Farbe
- Clear colorless to light yellow
- Wichte
- 1.109
- Wasserl?slichkeit
- MISCIBLE
- Sensitive
- Hygroscopic
- BRN
- 1618144
- Stabilit?t:
- Stable. Incompatible with oxidizing agents, strong acids. Avoid exposure to water or moist air.
- LogP
- -0.9 at 20℃ and pH7.7
- Oberfl?chenspannung
- 68.5mN/m at 1g/L and 20℃
- CAS Datenbank
- 33100-27-5(CAS DataBase Reference)
- NIST chemische Informationen
- 15-Crown-5(33100-27-5)
- EPA chemische Informationen
- 1,4,7,10,13-Pentaoxacyclopentadecane (33100-27-5)
Sicherheit
- Risiko- und Sicherheitserkl?rung
- Gefahreninformationscode (GHS)
| Kennzeichnung gef?hrlicher |
Xn,Xi |
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| R-S?tze: |
22-36/38-36-20/22-36/37/38-20/21/22 |
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| S-S?tze: |
26-39-36 |
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| RIDADR |
2810 |
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| WGK Germany |
3 |
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| RTECS-Nr. |
SB0200000 |
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| F |
10-21 |
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| Hazard Note |
Irritant |
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| TSCA |
Yes |
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| HazardClass |
6.1(b) |
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| PackingGroup |
III |
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| HS Code |
29329995 |
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| Toxizit?t |
LD50 orl-rat: 1410 mg/kg DCTODJ 1,339,78 |
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| Bildanzeige (GHS) |
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| Alarmwort |
Warnung |
| Gefahrenhinweise |
| Code |
Gefahrenhinweise |
Gefahrenklasse |
Abteilung |
Alarmwort |
Symbol |
P-Code |
| H302 |
Gesundheitssch?dlich bei Verschlucken. |
Akute Toxizit?t oral |
Kategorie 4 |
Warnung |
![GHS hazard pictograms]() src="/GHS07.jpg" width="20" height="20" /> |
P264, P270, P301+P312, P330, P501 |
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| Sicherheit |
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1,4,10,13-Pentaoxacyclopentadecan Chemische Eigenschaften,Einsatz,Produktion Methoden
R-S?tze Betriebsanweisung:
R22:Gesundheitssch?dlich beim Verschlucken.
R36/38:Reizt die Augen und die Haut.
R36:Reizt die Augen.
R20/22:Gesundheitssch?dlich beim Einatmen und Verschlucken.
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
R20/21/22:Gesundheitssch?dlich beim Einatmen,Verschlucken und Berührung mit der Haut.
S-S?tze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S39:Schutzbrille/Gesichtsschutz tragen.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
Chemische Eigenschaften
colourless liquid
Verwenden
15-Crown-5 is used as an efficient phase transfer catalyst and as a complexing agent. It is used to isolate oxonium ion (H7O3)+ salts especially from a solution of tetrchloroauric acid. It catalyzes the O-alkylation of the sodium salts of carboxylic acids in the penicillin and cephalosporin series, thereby facilitating esterification reaction without usage of acid. It is also used to facilitate the Williamson synthesis of ethers with hindered alcohols and sodium hydride. It is used with lithium aluminum hydride, for performing reduction reactions in hydrocarbon solvents. Further, it is involved in the Horner-Wadsworth-Emmons reaction to prepare stilbenes from aldehydes.
Definition
ChEBI: A saturated organic heteromonocyclic parent that is cyclopentadecane in which the carbon atoms at positions 1, 4, 7, 10 and 13 have been replaced by oxygen atoms to give a crown ether.
Allgemeine Beschreibung
15-Crown-5 is a crown ether generally used as a ligand in coordination chemistry because of its strong chelating property with certain alkali cations to form complexes. Some derivatives of 15-crown-5 are used as sensors and probes in different physical-chemical processes, phase-transfer reactions, and selective capture of ions for separation and transport.
Sicherheitsprofil
Moderately toxic by ingestion, skin contact, and intraperitoneal routes. A skin and eye . When heated to decomposition it emits acrid smoke and irritating fumes
l?uterung methode
Dry it over 3A molecular sieves and distil it in a high vacuum. [Beilstein 19/12 V 252.]
1,4,10,13-Pentaoxacyclopentadecan Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
1,4,10,13-Pentaoxacyclopentadecan Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.
Global( 488)Lieferanten
33100-27-5(1,4,10,13-Pentaoxacyclopentadecan)Verwandte Suche:
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- LABOTEST-BB LT00440921
- LEAD IONOPHORE V
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- 1,4,7,10,13-Pentaoxacyclopentadecane 98%
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- Macrocycles for Host-Guest Chemistry
- Ion Sensor Materials
- Ionophores Potentiometric for ISE
- Synthetic Reagents
- Chelation/Complexation Compounds
- Analytical Chromatography Product Catalog
- Pyridines
- catalyst
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- bc0001
- 33100-27-5
