Ethylenediamine-ethylenimine copolymer
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Ethylenediamine-ethylenimine copolymer
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CAS No:
25987-06-8
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Formula:
(C2H8N2.C2H5N)x
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Chemical Name:
Ethylenediamine-ethylenimine copolymer
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Synonyms:
1,2-Ethanediamine,polymer with aziridine;Ethylenimine,polymer with ethylenediamine;Ethylenediamine,polymer with ethylenimine;Aziridine,polymer with 1,2-ethanediamine;Ethylenediamine-ethylenimine copolymer;Aziridine-ethylenediamine polymer;Ethylenediamine-ethylenimine polymer;Aziridine-1,2-diaminoethane copolymer;Aziridine-1,2-ethylenediamine copolymer
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CAS No:
Description
Polyethyleneimines (PEIs) are highly basic and positively charged aliphatic polymers, containing primary, secondary and tertiary amino groups in a 1:2:1 ratio. Every third atom of the polymeric backbone is therefore an amino nitrogen that may undergo protonation. As the polymer contains repeating units of ethylamine, PEIs are also highly watersoluble. PEIs are available in both linear and branched forms with molecular weights ranging from 700 Da to 1000 kDa.
For a long time, PEI has been
Ethylenediamine-ethylenimine copolymer Basic Attributes
43.07 g/mol
43.042199 g/mol
205-793-9
3911900090
Characteristics
21.9 Ų
log Kow = -0.28 (est)
Ethyleneimine, stabilized appears as a clear colorless liquid with an ammonia-like odor. Flash point 12°F. Less dense than water. Flammable over a wide range of vapor-air concentrations. Vapors irritate the skin, eyes, nose, and throat. May be toxic by prolonged inhalation, skin absorption, or ingestion. Carcinogenic. Vapors heavier than air. May polymerize exothermically if heated or contaminated. If the polymerization takes place inside a container, the container may rupture violently.
1.08 g/mL at 25 °C
-98 °F Freezing Point (EPA, 1998)
131 to 133 °F at 760 mm Hg (EPA, 1998)
>230 °F
n20/D 1.5240
Miscible (NIOSH, 2016)
9 mm Hg ( 20 °C)
Pungent, ammonia-like odor
Strongly alkaline
Safety Information
3
22-36-52/53-43-41
26-36-61-36/37/39
Xn
P273; P280; P305 + P351 + P338
H302; H317; H318; H412
|Danger|H302 (99.88%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P272, P273, P280, P301+P312, P302+P352, P305+P351+P338, P310, P321, P330, P333+P313, P337+P313, P363, P391, and P501|Aggregated GHS information provided by 905 companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Ethylenediamine-ethylenimine copolymer Use and Manufacturing
Detergents, adhesives, water treatment, printing inks, dyes, cosmetics, and paper industry, adhesion promoter, lamination primer, fixative agent, flocculant, cationic dispersant, stability enhancer, surface activator, chelating agent, scavenger for aldehydes and oxides.
1,2-Ethanediamine, polymer with aziridine: ACTIVE|XU - indicates a substance exempt from reporting under the Chemical Data Reporting Rule, (40 CFR 711).
Computed Properties
Molecular Weight:103.17
Hydrogen Bond Donor Count:3
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:1
Exact Mass:103.110947427
Monoisotopic Mass:103.110947427
Topological Polar Surface Area:74
Heavy Atom Count:7
Complexity:16.3
Covalently-Bonded Unit Count:2
Compound Is Canonicalized:Yes
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