Synonyms: 2,3,4,6,7,8,9,10-Octahydropyrimidol[1,2-a]azepine; DBU
CAS Number: 6674-22-2
Formula: C9H16N2
Formula Weight: 152.24
Linear Formula: C9H16N2
MDL No.: MFCD00006930
Purity: >=99.0% (GC)
Boiling Point: 115 C/11 mmHg(lit.)
Density: 1.019 g/mL at 20 C(lit.)
Refractive Index: n20/D 1.523
Beilstein Registry Number: 508906
EC Number: 229-713-7
UNSPSC Code: 12352000
Application: 1,8-Diazabicyclo[5.4.0]undec-7-ene can be used:. To mediate the aza-Michael addition of nitrogen nucleophiles to α,β-unsaturated carbonyl compounds.. As a nucleophilic catalyst for the esterification of carboxylic acid with dimethyl carbonate.. As a bidentate ligand in copper (I) bromide mediated atom transfer radical polymerization of methyl methacrylate.. As an efficient catalyst for the transesterification of dimethyl carbonate with glycerol.
Other Notes: Amidine base used for dehydrohalogenation reactions to olefins; Further important applications are e.g.: esterification of carboxylic acids with alkyl halides; Alkylation and acylation of active methylene compounds
RIDADR: UN 3267 8 / PGII
WGK Germany: 2
Flash Point(F): 240.8 F
Flash Point(C): 116 C
R Codes: 22-34-52/53
S Codes: 26-36/37/39-45-61
IOD Codes: C
Symbol: GHS05, GHS06
Signal Word: Danger
Hazard Statements: H290-H301-H314-H412
Precautionary statements: P273-P280-P301 + P310-P305 + P351 + P338-P310