8.03282

1,8-Diazabicyclo[5.4.0]undec-7-ene

for synthesis

• Synonyme(s) : 1,8-Diazabicyclo[5.4.0]undec-7-ene
• Formule empirique (notation de Hill): C₉H₁₆N₂
• Poids moléculaire : 152.24
• Numéro MDL: MFCD00006930
• Code UNSPSC : 12352005
• Numéro de classement CE : 229-713-7
• Nomenclature NACRES : NA.22

Propriétés

• Pression de vapeur: 0.02 hPa ( 25 °C)
• Niveau de qualité: 200
• Forme: liquid
• Température d'inflammation spontanée: 260 °C
• Puissance: 215-681 mg/kg LD₅₀, oral (Rat)
• Limite d'explosivité: 1.1-6.5 % (v/v)
• pH: 12.8 (20 °C, 10 g/L in H₂O)
• kinematic viscosity: 5.48 cSt(40 °C)
• Pf: <-70 °C
• Température de transition: flash point 116 °C
• Solubilité: soluble 1000 g/L
• Densité: 1.02 g/cm³ at 20 °C
• Température de stockage: 2-30°C
• InChI: 1S/C9H16N2/c1-2-5-9-10-6-4-8-11(9)7-3-1/h1-8H2
• Clé InChI: GQHTUMJGOHRCHB-UHFFFAOYSA-N

Description

Application

• Depolymerization of poly (bisphenol A carbonate) under mild conditions by solvent-free alcoholysis catalyzed by 1, 8-diazabicyclo undec-7-ene as a recyclable: DBU catalyzes the depolymerization of polycarbonates under mild, solvent-free conditions, demonstrating its effectiveness and recyclability as a catalyst (E Quaranta, D Sgherza, G Tartaro, 2017).
• Activating cellulose via its reversible reaction with CO2 in the presence of 1, 8-diazabicyclo undec-7-ene for the efficient synthesis of cellulose acetate: This research shows how DBU can activate cellulose for a reversible reaction with CO2, facilitating the synthesis of cellulose acetate (Y Yang, L Song, C Peng, E Liu, H Xie, 2015).
• Bifunctional 1, 8-Diazabicyclo undec-7-ene for Visible Light-Induced Heck-Type Perfluoroalkylation of Alkenes: DBU acts as a bifunctional organocatalyst for visible light-induced Heck-type perfluoroalkylation of alkenes, showcasing its potential in photoredox catalysis (L Tang, G Lv, Y Fu, XP Chang, R Cheng, 2022).
• Cooperative calcium-based catalysis with 1, 8-diazabicyclo undec-7-ene for the cycloaddition of epoxides with CO2 at atmospheric pressure: This study demonstrates the cooperative catalysis of CaBr2 and DBU in the cycloaddition of epoxides with CO2, highlighting a sustainable approach to carbonate synthesis (X Liu, S Zhang, QW Song, XF Liu, R Ma, LN He, 2016).

Informations sur la sécurité

• Pictogrammes: GHS05,GHS06
• Mention d'avertissement: Danger
• Mentions de danger: H290 - H301 - H314 - H412
• Conseils de prudence: P234 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Classification des risques: Acute Tox. 3 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
• Code de la classe de stockage: 6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
• Classe de danger pour l'eau (WGK): WGK 2
• Point d'éclair (°F): 240.8 °F
• Point d'éclair (°C): 116 °C