Alias: 1,8-diazabicycloundecene-7-ene, 1,8-diazabicycloundecene, diazabicyclo, DBU
English name:1,8-Diazabicyclo(5.4.0)undec-7-ene
Molecular formula:C9H16N2
Molecular weight: 152.2
CAS number: 6674-22-2
Physical and chemical properties
1,8-diazabicycloundec-7-ene is a colorless to light yellow transparent oily liquid with relatively low volatility, almost no odor and alkali properties. Properties. It changes color easily when exposed to light, and is hygroscopic and corrosive.
Content: ≥98%
hydroxyl value(mgKOH/g): 0
Relative density@25℃(g/cm3): 1.04~1.07
Viscosity (25°C): 14mPa.s
Melting point:<-78°C
Flash point: (TCC):>96°C
Boiling point:259°C or 78~85°C (13Pa)
Product Application
: Low-odor reactive gel catalyst applied to large sponges, new lowVOC amine gel catalyst, amine content exceeds 95%
LE-530: Reactive gel catalyst, used in various polyurethane foam products
DPA: Low-odor gel catalyst, outstanding balance and versatility provide good fluidity
TAP 1-methyl-4-(2-dimethylaminoethyl)piperazine: Excellent trimerization catalyst that can improve fluidity
DMDEE (2,2′-dimorpholindiethyl ether): Strong foaming catalyst, providing stable prepolymer system
DMAEE: low-density full-water rigid foam and low-density semi-rigid foam
BDMAEE bis-(2-dimethylaminoethyl) ether：High-efficiency foaming catalyst
BDMA (N,N-dimethylbenzylamine)：Polyurethane rigid foam catalyst, epoxy accelerator
DMEA (N,N’-dimethylethanolamine): Neutralizes acids in some rigid foam systems,
PMDETA (pentamethyldiethylenetriamine): Particularly effective for HCFC/water foamed hard foam, similar to PC5
