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

SIAL/33482 - puriss., ≥99.0% (GC)

Synonym: 2,3,4,6,7,8,9,10-Octahydropyrimidol[1,2-a]azepine; DBU

Empirical Formula (Hill Notation): C₉H₁₆N₂
Molecular Weight: 152.24
EC Number: 229-713-7
MDL Number: MFCD00006930
Linear Formula: C₉H₁₆N₂
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-33482-50ML-F	50 mL	$73.90 1/EA		Add To Favorites
45-33482-250ML-F	250 mL	$214.00 1/EA		Add To Favorites
45-33482-1L-F	1 L	$732.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

assay	≥99.0% (GC)
bp	115 °C/11 mmHg (lit.)
density	1.019 g/mL at 20 °C (lit.)
form	liquid
grade	puriss.
InChI	1S/C9H16N2/c1-2-5-9-10-6-4-8-11(9)7-3-1/h1-8H2
InChI key	GQHTUMJGOHRCHB-UHFFFAOYSA-N
mp	-70 °C
pH	(12,8 at 10 g/l at 20 °C)
Quality Level	200
refractive index	n20/D 1.523
SMILES string	C1CCN2CCCN=C2CC1
vapor pressure	7.1 hPa ( 37.7 °C)

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.
Application:	Amidine base used for dehydrohalogenation reactions to olefinscitation; Further important applications are e.g.: esterification of carboxylic acids with alkyl halidescitationcitation; Alkylation and acylation of active methylene compoundscitation
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.

Symbol	GHS05,GHS06
Signal word	Danger
Hazard statements	H290 - H301 - H314 - H412
Precautionary statements	P234 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
Hazard Codes	C
Risk Statements	22-34-52/53
Safety Statements	26-36/37/39-45-61
RIDADR	UN 3267 8 / PGII
WGK Germany	WGK 2
Flash Point(F)	240.8 °F
Flash Point(C)	116 °C

Purity	≥99.0% (GC)
bp	115 °C/11 mmHg (lit.)
mp	-70 °C
Density	1.019 g/mL at 20 °C (lit.)
Refractive Index	n20/D 1.523
UNSPSC	12352005

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