369497
N,N,N′,N′′,N′′-Pentamethyldiethylenetriamine
99%
Synonym(s):
PMDETA, PMDTA
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About This Item
Linear Formula:
[(CH3)2NCH2CH2]2NCH3
CAS Number:
Molecular Weight:
173.30
UNSPSC Code:
12162002
NACRES:
NA.23
PubChem Substance ID:
EC Number:
221-201-1
Beilstein/REAXYS Number:
1741396
MDL number:
vapor pressure
0.23 mmHg ( 20 °C)
Quality Segment
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.)
SMILES string
CN(C)CCN(C)CCN(C)C
InChI
1S/C9H23N3/c1-10(2)6-8-12(5)9-7-11(3)4/h6-9H2,1-5H3
InChI key
UKODFQOELJFMII-UHFFFAOYSA-N
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.
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B
Storage Class
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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Amit Kumar et al.
Scientific reports, 8(1), 7965-7965 (2018-05-23)
Access to clean and safe water supply remains inadequate in many developing countries. One of the key challenges is to remove pathogenic bacteria from the water supply via effective water disinfection technologies to prevent the spread of diseases and to
Jorge Royes et al.
Polymers, 11(5) (2019-05-18)
This paper describes the synthesis, thermal characterization and optical properties of liquid crystalline homopolymers and block copolymers with a repeating unit consisting of two functional units, with at least one of them being an azobenzene. Films of these polymers have
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)