PRODUCTS

JEFFCAT PMDETA (PENTAMETHYLDIETHYLENETRIAMINE)

CAS Number: 3030-47-5
Molecular Formula: C9H23N3
Molecular Weight: 173.29
PubChem Substance ID: 355194012
EC Number: 221-201-1
Preferred IUPAC name: N1-[2-(Dimethylamino)ethyl]-N1,N3,N3-trimethylethane-1,2-diamine

APPLICATIONS

JEFFCAT PMDETA (pentamethyldiethylenetriamine) catalyst is very effective in pour-inplace polyurethane systems (such as rigid appliance systems), which are based on MDI.
At a use level of 1.5 php, JEFFCAT PMDETA (pentamethyldiethylenetriamine) catalyst provides the necessary flowability and cure rates required in the production environment.
JEFFCAT PMDETA (pentamethyldiethylenetriamine) catalyst is also recommended for TDI, TDI/MDI and MDI HR flexible molded foams, as well as for use in integral skin and microcellular systems.
Also, JEFFCAT PMDETA (pentamethyldiethylenetriamine) can be as a raw material to make quaternary ammonoum salt.

JEFFCAT PMDETA (pentamethyldiethylenetriamine) acts as a catalyst.
Additionally, JEFFCAT PMDETA (pentamethyldiethylenetriamine) is used in HCFC/water-blown rigid packaging foam.

JEFFCAT PMDETA (pentamethyldiethylenetriamine) is preferred catalyst for epoxy resin and liquid polysulfides for body solder,sealant and concrete adhesives applications.
Moreover, JEFFCAT PMDETA (pentamethyldiethylenetriamine) is highly efficient catalyst for epoxy resins cured, as well as for the isocyanate/polyol and isocyanate trimerization reactions.
JEFFCAT PMDETA (pentamethyldiethylenetriamine) is a curing agent and activator.

JEFFCAT PMDETA (pentamethyldiethylenetriamine) is generally used in rigid foams, and are often shared with DMCHA due to its strong foaming effect, which can improve foam fluidity.
Also, JEFFCAT PMDETA (pentamethyldiethylenetriamine) is used to balance overall foaming and gelation reactions.

JEFFCAT PMDETA (pentamethyldiethylenetriamine) can be used as an organocatalyst in ring-opening polymerization (ROP) of trimethylene carbonate.
This catalyst can be easily removed after the reaction compared to metal catalysts.

JEFFCAT PMDETA (pentamethyldiethylenetriamine) can be used as a catalyst along with CuBr to synthesize a series of side-chain azobenzene poly(meth)acrylates via the atom transfer radical polymerization(ATRP) technique.
JEFFCAT PMDETA (pentamethyldiethylenetriamine) can be used as an initiator to grow polystyrene chains to prepare polyolefin-polystyrene copolymers.

JEFFCAT PMDETA (pentamethyldiethylenetriamine) is very effective in pour-in place polyurethane systems (such as rigid appliance systems), which are based on MDI.
At a use level of 1.5 php, JEFFCAT PMDETA (pentamethyldiethylenetriamine) provides the necessary flow ability and cure rates required in the production environment. JEFFCAT PMDETA (pentamethyldiethylenetriamine) catalyst is also recommended for TDI, TDI/MDI and MDI HR flexible molded foams, as well as for use in integral skin and microcellular systems.
Also JEFFCAT PMDETA (pentamethyldiethylenetriamine) can be as a raw material to make quaternary ammonium salt.

JEFFCAT PMDETA (pentamethyldiethylenetriamine) is an efficient catalyst for the reaction of polyurethane formation, and has strong selectivity for the reaction of isocyanate with water.
JEFFCAT PMDETA (pentamethyldiethylenetriamine) is characterized by small amount and high catalytic activity, and can be used as the main catalyst of soft polyurethane foam and the auxiliary catalyst of semi-rigid and rigid polyurethane foam.

In addition, JEFFCAT PMDETA (pentamethyldiethylenetriamine) can also be used as a catalyst for the polymerization of olefin oxide, phase transfer and metal complexes.
The compound form of JEFFCAT PMDETA (pentamethyldiethylenetriamine), commonly known as AM-I, of which the content of pentamethyldiethylenetriamine is 70%± 1%.
Its characteristic is to improve the tolerance of the formula processing, improve the foaming process performance and product quality.

JEFFCAT PMDETA (pentamethyldiethylenetriamine) is used to formulate adhesives-sealants, paints-coatings-thinners, polymers, and laboratory chemicals, to make fine and large scale chemicals, flexible and rigid foams, and rubber.

In model systems, JEFFCAT PMDETA (pentamethyldiethylenetriamine) has proven to have catalytic activity equivalent to other established blowing catalysts for the urea reaction.
However, JEFFCAT PMDETA (pentamethyldiethylenetriamine) catalyst has a greater affect than established blowing catalysts on the urethane or gelling reaction.
JEFFCAT PMDETA (pentamethyldiethylenetriamine) catalyst is very effective in pour-inplace polyurethane systems (such as rigid appliance systems), which are based on MDI.

At a use level of 1.5 php, JEFFCAT PMDETA (pentamethyldiethylenetriamine) provides the necessary flowability and cure rates required in the production environment. JEFFCAT PMDETA (pentamethyldiethylenetriamine) catalyst is also recommended for TDI, TDI/MDI and MDI HR flexible molded foams, as well as for use in integral skin and microcellular systems.
Also, JEFFCAT PMDETA (pentamethyldiethylenetriamine) can be as a raw material to make quaternary ammonium salt.

DESCRIPTION

JEFFCAT PMDETA (pentamethyldiethylenetriamine) catalyst is a highly active, pure liquid tertiary amine that is suitable for use as a blowing catalyst in a number of rigid and flexible polyurethane foam applications.
In model systems, JEFFCAT PMDETA (pentamethyldiethylenetriamine) catalyst has proven to have catalytic activity equivalent to other established blowing catalysts for the urea reaction.
However, JEFFCAT PMDETA (pentamethyldiethylenetriamine) catalyst has a greater affect than established blowing catalysts on the urethane or gelling reaction.

JEFFCAT PMDETA (pentamethyldiethylenetriamine) is an organic compound with the formula [(CH3)2NCH2CH2]2NCH3.
In addition to that, JEFFCAT PMDETA (pentamethyldiethylenetriamine) is a basic, bulky, and flexible, tridentate ligand that is a used in organolithium chemistry.
JEFFCAT PMDETA (pentamethyldiethylenetriamine) is a colorless liquid, although impure samples appear yellowish.

JEFFCAT PMDETA (pentamethyldiethylenetriamine) catalyst (Pentamethyldiethylenetriamine) is a highly active, pure liquid tertiary amine which has C9H23N3 as chemical formula.
Moreover, JEFFCAT PMDETA (pentamethyldiethylenetriamine) is suitable for use as a blowing catalyst in a number of applications.

Also JEFFCAT PMDETA (pentamethyldiethylenetriamine) is known as PMDETA, PMDTA, PMDT and N-[2-(dimethylamino)ethyl]-N,N’,N’-trimethylethane-1,2-diamine.
JEFFCAT PMDETA (pentamethyldiethylenetriamine) is colorless or yellowish transparent liquid, slightly amine odor, soluble in water, alcohol and ether and other organic solvents, can absorb moisture and carbon dioxide in the air.

COMPARISON WITH DIETHYLENETRIAMINE

Unlike diethylenetriamine, all three amines in JEFFCAT PMDETA (pentamethyldiethylenetriamine) are tertiary.
Both JEFFCAT PMDETA (pentamethyldiethylenetriamine) and diethylenetriamine are tridentate ligands that form two five-membered chelate rings.
The σ-donating properties of the amino groups of diethylenetriamine are greater than that of JEFFCAT PMDETA (pentamethyldiethylenetriamine) in copper(II) complexes.
Both ligands can coordinate metal complexes in arrangements where the three nitrogen centers are co-planar or mutually cis.

ORGANOLITHIUM COMPOUNDS AND JEFFCAT PMDETA (PENTAMETHYLDIETHYLENETRIAMINE)

JEFFCAT PMDETA (pentamethyldiethylenetriamine) is used to modify the reactivity of organolithium compounds, which deaggregate in the presence of Lewis bases to enhance their reactivity.
Commonly, the ditertiary amine TMEDA is used in these applications; it binds to the lithium center as a bidentate ligand.
JEFFCAT PMDETA (pentamethyldiethylenetriamine) behaves analogously, but since it is tridentate, it binds more strongly to lithium.
In contrast to TMEDA, JEFFCAT PMDETA (pentamethyldiethylenetriamine) forms monomeric complexes with organolithium compounds. Both amines affect the regiochemistry of metalation.

In the PMDTA/n-BuLi adducts, the Li-C bonds are highly polarized, thus increasing the basicity of the butyl group.

The effect of JEFFCAT PMDETA (pentamethyldiethylenetriamine) on lithium anilide is illustrative of PMDTA's complexing power.
The complex, [{PhN(H)Li}3·2PMDTA], is trinuclear, featuring approximately colinear Li+ centers that are three-, four-, and five-coordinate.

The central three-coordinate lithium atom is not bonded to JEFFCAT PMDETA (pentamethyldiethylenetriamine).
One of the terminal Li centers is pseudo-tetrahedral in an N4 coordination sphere.
The other terminal lithium atom is five-coordinate and binds to two anilino N centers and the JEFFCAT PMDETA (pentamethyldiethylenetriamine).

TRANSITION METAL AND ALUMINIUM COMPLEXES

JEFFCAT PMDETA (pentamethyldiethylenetriamine) often forms five-coordinate complexes due to steric bulk of the methyl groups.
JEFFCAT PMDETA (pentamethyldiethylenetriamine) stabilize unusual cations.
The first cationic derivative of alane, [H2Al(PMDTA)]+[AlH4]− was prepared by treating H3AlNMe3 with JEFFCAT PMDETA (pentamethyldiethylenetriamine).

PREPARATION METHOD

There are two production routes currently used.

JEFFCAT PMDETA (pentamethyldiethylenetriamine) is obtained from the reaction of diethylenetriamine with formaldehyde and formic acid, and the general yield is about 70%.
Alternatively, JEFFCAT PMDETA (pentamethyldiethylenetriamine) is prepared from diethylenetriamine and formaldehyde in the presence of catalyst and hydrogen, the yield can reach more than 95%.

PROPETIES

Appearance:Liquid
Sales content:99% min.
Water content:0.25% max.
Flash Point: 72°C
Specific Gravity at 25°C: 0.85
Water Solubility:Soluble

SYNONYMS

N1-[2-(Dimethylamino)ethyl]-N1,N2,N2-trimethyl-1,2-ethanediamine;
(2-[[2-(Dimethylamino)ethyl](methyl)amino]ethyl)dimethylamine; 1,1,4,7,7-Pentamethyl-1,4,7-triazaheptane;
2,5,8-Trimethyl-2,5,8-triazanonane; AM 1; Bis[2-(dimethylamino)ethyl]methylamine; DY 5;
Dabco PMDETA; Desmorapid PV; Jeffcat PMDETA; KL 3; Kao 3; Kaolizer 3; Lupragen N 301;
N 301N,N,N',N',N''-Pentamethylbis(2-aminoethyl)amine;
N,N,N',N'',N''-Pentamethyl-3-azapentane-1,5-diamine; N,N,N',N'',N''-Pentamethylbis(2-aminoethyl)amine;
N,N,N',N'',N''-Pentamethyldiethylenetriamine;
N,N,N',N'',N''-Pentamethyldiethylenetriamine;
N,N-Bis(2-dimethylaminoethyl)methanamine;
N,N-Bis[2-(dimethylamino)ethyl]methylamine;
N-Methyl-N,N-bis(2-dimethylaminoethyl)amine;
N-[2-(Dimethylamino)ethyl]-N,N',N'-trimethyl-1,2-
N1,N1,N3
1,1,4,7,7-PENTAMETHYLDIETHYLENETRIAMINE
Bis(2-dimethylaminoethyl)methylamine
LUPRAGEN(R) N 301
METHYLBIS(2-DIMETHYLAMINOETHYL)-AMINE
n-[2-(dimethylamino)ethyl]-n,n',n'-trimethyl-1,2-ethanediamine
N,N,N',N'',N''-PENTAMETHYLDIETHYLENETRIAMINE
N,N,N',N',N''-PENTAMETHYLDIETHYLENETRIAMINE
PENTAMETHYLDIETHYLENETRIAMINE
PMDETA
PMDTA
1,1,4,7,7-pentamethyl-diethylenetriamin
2,5,8-trimethyl-2,5,8-triazanonane
2-Ethanediamine,N-[2-(dimethylamino)ethyl]-N,N’,N’-trimethyl-1
n-(2-(dimethylamino)ethyl)-n,n’,n’-trimethyl-2-ethanediamine
n-[2-(dimethylamino)ethyl]-n,n’,n’-trimethyl-2-ethanediamine
pmdt
PENTAMETHYLDIETHYLENETRIAMINE 99%
1,1,4,7,7-Pentamethyldiethylenetriamine, 99+%
1,2-Ethanediamine, N-2-(dimethylamino)ethyl-N,N,N-trimethyl-
1,1,4,7,7-Pentamethyldiethylentriamin
1,1,4,7,7-Pentamethyldiethylenetriamine
1,2-Ethanediamine, N-(2-(dimethylamino)ethyl)-N,N',N'-trimethyl-
1,2-Ethanediamine, N1-(2-(dimethylamino)ethyl)-N1,N2,N2-trimethyl-
2,5,8-Trimethyl-2,5,8-triazanonane
Bis(2-dimethylaminoethyl)(methyl)amine
Diethylenetriamine, 1,1,4,7,7-pentamethyl-
N,N',N''-Pentamethyldiethylenetriamine
N,N,N',N',N''-Pentamethyldiethylenetriamine
Pentamethyldiethylenetriamine
Pentamethyldiethylenetriaminek
PMDT