DMDEE

Chinese alias: 2,2'-dievyllytrine bigria; double [2- (n-morpholine) ethyl] ether; bisodridine radio ether; 2,2-morphol) ether, dievyllyvarin dihal ether; 2,2-dizide diobioxyl ether; 4,4 '-(oxidation two-2,1-meal) double Morpholine;

CAS: 6425-39-4

Foreign name: 2, 2-dimorpholinodiethylther; BIS (2, 2-MorpholinoEyl) ether.

Double morpholine radio ether is colorless to pale yellow liquid and dissolved in water.

Content (%) 99%

MEQ/G) 8.2

Viscosity (25 ℃) 1.06

Boiling point> 225

Following point (℃) -28

Water (%) 0.5

DMDEE is the abbreviation for Dimethyldiethoxysilane, commonly pronounced as "dum dee" in the polyurethane industry. It is an organic chemical with a nitrogen-oxygen heterocycle, particularly featuring a tertiary amine functional group. DMDEE is primarily utilized as a catalyst in the production of polyurethane foam. It is assigned the CAS number 6425-39-4 and has been registered under TSCA and REACH, with the EINECS number 229-194-7. The IUPAC name for DMDEE is 4-[2-(2-morpholin-4-ylethoxy)ethyl]morpholine, and its chemical formula is C12H24N2O3.

DMDEE tends to be employed in single-component rather than two-component polyurethane systems. Its applications extend beyond polyurethane foam production to include research in polyurethanes controlling drug release and medical adhesive applications. The use of DMDEE as a catalyst, including its kinetics and thermodynamics, has been widely studied and reported, and it is a popular catalyst similar to DABCO.

While the toxicity of DMDEE is well-known due to its longstanding use in the polyurethane industry, some sources indicate that toxicity data is somewhat limited. Efforts are ongoing to acquire the necessary data and publish it to ensure responsible and informed use in the public domain.

Double morpholine ether is an amino catalyst for a single-group water-scale solidification system. This is a strong bubble catalyst because the amino position resistance effect can make NCO components have a long storage period.

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