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EINECS 229-713-7
CAS No. 6674-22-2 Density 1.12 g/cm3
Solubility soluble in water Melting Point -70 °C
Formula C9H16N2 Boiling Point 274.6 °C at 760 mmHg
Molecular Weight 152.24 Flash Point 119.9 °C
Transport Information UN 3267 8/PG 2 Appearance Colorless to yellow liquid
Safety 26-36/37/39-45-61-27 Risk Codes 22-34-52/53-35
Molecular Structure Molecular Structure of 6674-22-2 (1,8-Diazabicyclo(5.4.0)undec-7-ene) Hazard Symbols CorrosiveC

1,8-Diaza-7-bicyclo[5.4.0]undecene;1,8-Diazabicyclo[5.4.0]undecene-7;2,3,4,6,7,8,9,10-Octahydropyrimido[1,2-a]azepine;Alcanpoudre DBU 70-3KG;Amicure DBUE;DBU;Dabco DBU;NSC 111184;NSC 230466;Polycat DBU;U-CAT SA 851;


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

Molecular Structure:

Molecular Formula: C9H16N2
Molecular Weight: 152.2367
IUPAC Name: 2,3,4,6,7,8,9,10-Octahydropyrimido[1,2-a]azepine
Synonyms of  DBU: 1,5-Diazabicyclo(5.4.0)undec-5-ene ; 2,3,4,6,7,8,9,10-Octahydropyrimido(1,2-alpha)azepine ; DBU ; EINECS 229-713-7 ; NSC 111184 ; Pyrimido(1,2-a)azepine, 2,3,4,6,7,8,9,10-octahydro-
CAS NO: 6674-22-2
Product Categories: pharmacetical ; Pyridines ; Other Reagents ; Biochemistry ; Reagents for Oligosaccharide Synthesis ; Biochemics
Melting point: -70 °C 
Index of Refraction: 1.591
Molar Refractivity: 45.93 cm3
Molar Volume: 135.7 cm3
Surface Tension: 42.2 dyne/cm
Density: 1.12 g/cm3
Flash Point: 119.9 °C
Enthalpy of Vaporization: 51.3 kJ/mol
Boiling Point: 274.6 °C at 760 mmHg
Vapour Pressure: 0.00536 mmHg at 25 °C

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

 DBU (CAS NO.6674-22-2) is used in organic synthesis as a catalyst and complexing ligand and non-nucleophilic base.

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

Hazard Codes of DBU (CAS NO.6674-22-2): CorrosiveC
Risk Statements: 22-34-52/53-35 
R22:Harmful if swallowed. 
R34: Causes burns. 
R52/53: Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
R35: Causes severe burns.
Safety Statements: 26-36/37/39-45-61-27 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection. 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S61: Avoid release to the environment. Refer to special instructions / safety data sheets. 
S27: Take off immediately all contaminated clothing.
RIDADR:  UN 3267 8/PG 2
WGK Germany: 2
F: 34
HazardClass: 8
PackingGroup: II
HS Code: 29339930

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