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6674-22-2 - 1,8-Diazabicyclo[5.4.0]undec-7-ene, 99% - DBU - A12449 - Alfa Aesar

A12449 1,8-Diazabicyclo[5.4.0]undec-7-ene, 99%

CAS-Nummer
6674-22-2
Synonyme
DBU

Größe Preis ($) Menge Verfügbarkeit
25g 23,04
100g 58,14
500g 193,95
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1,8-Diazabicyclo[5.4.0]undec-7-ene, 99%

MDL
MFCD00006930
EINECS
229-713-7

Chemische Eigenschaften

Formel
C9H16N2
Molmasse
152.24
Schmelzpunkt
-70°
Siedepunkt
261°
Flammpunkt
116°(240°F)
Dichte
1.020
Brechungsindex
1.5220
Sensitivität
Air Sensitive
Löslichkeit
Miscible with water.

Anwendungen

1,8-Diazabicyclo[5.4.0]undec-7-ene is used in organic synthesis as a catalyst, a complexing ligand, and a non-nucleophilic base. It is used as a protecting agent for the synthesis of cephalosporin and as a catalyst for polyurethane.

Bemerkungen

Incompatible with acids, strong oxidizing agents, acid anhydrides, acid chlorides and chloroformates.

Literaturverweise

Zheng, J.; Lin, J.; Deng, X.; Xiao, J. 1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU)-Promoted Decomposition of Difluorocarbene and the Subsequent Trifluoromethylation. Org. Lett. 2015, 17 (3), 532-535.

Singh, V.; Singh, D.; Gardas, R. L. Effect of DBU (1,8-Diazobicyclo[5.4.0]undec-7-ene) Based Protic Ionic Liquid on the Volumetric and Ultrasonic Properties of Ascorbic Acid in Aqueous Solution. Ind. Eng. Chem. Res. 2015, 54 (7), 2237-2245.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H314-H318-H302-H402-H412

Causes severe skin burns and eye damage. Causes serious eye damage. Harmful if swallowed. Harmful to aquatic life. Harmful to aquatic life with long lasting effects.

Sicherheitshinweise: P260-P273-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Avoid release to the environment. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/physician. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
508906
Gefahrenklasse
8
Verpackungsgruppe
II
Harmonized Tariff Code
2933.59
TSCA
Yes

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