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Merck

369497

N,N,N′,N′′,N′′-Pentamethyldiethylenetriamine

99%

Sinónimos:

PMDETA, PMDTA

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Fórmula lineal:
[(CH3)2NCH2CH2]2NCH3
Número CAS:
Peso molecular:
173.30
UNSPSC Code:
12162002
NACRES:
NA.23
PubChem Substance ID:
EC Number:
221-201-1
Beilstein/REAXYS Number:
1741396
MDL number:
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InChI key

UKODFQOELJFMII-UHFFFAOYSA-N

InChI

1S/C9H23N3/c1-10(2)6-8-12(5)9-7-11(3)4/h6-9H2,1-5H3

SMILES string

CN(C)CCN(C)CCN(C)C

vapor pressure

0.23 mmHg ( 20 °C)

assay

99%

form

liquid

autoignition temp.

311 °F

expl. lim.

5.6 %

refractive index

n20/D 1.442 (lit.)

bp

198 °C (lit.)

mp

−20 °C (lit.)

density

0.83 g/mL at 25 °C (lit.)

Quality Level

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General description

N,N,N′,N′′,N′′-Pentamethyldiethylenetriamine (PMDETA) is an amine-based monomer compound that plays a crucial role in the field of polymers, particularly in the synthesis of TRPs- thermoresponsive polymers. PMDETA acts as a versatile ligand or catalyst in various polymerization reactions. It forms complexes with transition metals, which are utilized in the production of specialty polymers, block copolymers, and polymers with modified properties. These polymers find applications across a broad range of industries, including thermoplastics, elastomers, and coatings. When incorporated into the polymer structure, PMDETA helps impart thermoresponsive behavior to the final product, enabling reversible changes in solubility, conformation, or other physical properties in response to temperature variations. This makes PMDETA a valuable component in the synthesis and design of TRPs, which find uses in areas such as drug delivery systems, smart materials, and responsive coatings.

Application

N,N,N′,N′′,N′′ Pentamethyldiethylenetriamine can be used as:
  • A catalyst in the synthesis of multifunctional silicone acrylate prepolymers for use in UV-curable coatings.
  • A multifunctional initiating and cross-linking agent in the synthesis of polyacrylamide hydrogels. It improves the mechanical properties of the hydrogels, such as toughness and resilience, without compromising their biocompatibility.
  • An organocatalyst in ring-opening polymerization (ROP) of trimethylene carbonate. This catalyst can be easily removed after the reaction compared to metal catalysts.
  • A catalyst along with CuBr to synthesize a series of side-chain azobenzene poly(meth)acrylates via the atom transfer radical polymerization(ATRP) technique.
  • An initiator to grow polystyrene chains to prepare polyolefin-polystyrene copolymers.

pictograms

Skull and crossbonesCorrosion

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B

Clase de almacenamiento

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 2

flash_point_f

168.8 °F - closed cup

flash_point_c

76 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter


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Piotr Cieciórski et al.
Polymers, 13(13) (2021-07-03)
Here, we report our studies on photoresponsive poly(meth)acrylates containing azobenzene groups connected to a polymer backbone via a short methylene linker. A series of side-chain azobenzene polymers was synthesized via the atom transfer radical polymerization (ATRP) technique using several catalytic
Tae Jin Kim et al.
Polymers, 12(3) (2020-03-07)
Polyolefins (POs) are the most abundant polymers. However, synthesis of PO-based block copolymers has only rarely been achieved. We aimed to synthesize various PO-based block copolymers by coordinative chain transfer polymerization (CCTP) followed by anionic polymerization in one-pot via conversion
Journal of the American Chemical Society, 112, 6190-6190 (1990)
Chun-Na Yan et al.
Polymers, 11(7) (2019-07-26)
Well-defined polymer brushes attached to nanoparticles offer an elegant opportunity for surface modification because of their excellent mechanical stability, functional versatility, high graft density as well as controllability of surface properties. This study aimed to prepare hybrid materials with good
Controllable ring-opening polymerization of trimethylene carbonate catalyzed by aliphatic tertiary amines in the presence of benzyl alcohol or F127
Mingfa,et al.
Polymer International, 61(10), 1525-1531 (2012)

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