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2-Methylpentamethylenediamine
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Chemical compound
2-Methyl-1,5-diaminopentan Struktur.svg 2-Methylpentamethylenediamine line structure 2-Methylpentane-1,5-diamine 1,5-Diamino-2-methylpentane, 2-Methylpentanediamine 77450 correct CAS 15520-10-2 3561766 239-556-6 85862 0FYC3Y758A 1S/C6H16N2/c1-6(5-8)3-2-4-7/h6H,2-5,7-8H2,1H3 JZUHIOJYCPIVLQ-UHFFFAOYSA-N CC(CCCN)CN 6 16 2 colorless liquid 192 Irritant, Corrosive, Acute Toxic 83 05 06 07 Danger 302 312 314 331 332 335 260 261 264 270 271 280 301+312 301+330+331 302+352 303+361+353 304+312 304+340 305+351+338 310 311 312 321 322 330 363 403+233 405 501
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2-Methylpentamethylenediamine is an organic compound part of the amine family with the formula H2NCH2CH2CH2CH(CH3)CCH2NCH2. A colorless liquid, this diamine is obtained by the hydrogenation of 2-methylglutaronitrile.Eller Karsten Henkes Erhard Rossbacher Roland Höke Hartmut 15 June 2000 Amines, Aliphatic Ullmann's Encyclopedia of Industrial Chemistry 10.1002/14356007.a02_001 3527306730 It is better known by the trade name "Dytek A".Dytek A (2-Methylpentamethylenediamine) - INVISTA - datasheet https://coatings.specialchem.com/product/a-invista-dytek-a-2-methylpentamethylenediamine 2021-04-07 coatings.specialchem.com en
Uses
2-Methylpentamethylenediamine can serve as a curing agent for epoxy resin systems. It gives good adhesion to metals and resistance against corrosion and other chemicals. It provides toughness, low blush, uniform finish, high gloss, and improves UV stability. It reduces gel time and is compatible with epoxy resins. It is suitable for marine, industrial, and decorative coatings.
2-Methylpentamethylenediamine can also be used as a chain extender for polyurethane applications, and in particular with PUDs.Howarth GA 2003-06-01 Polyurethanes, polyurethane dispersions and polyureas: Past, present and future https://doi.org/10.1007/BF02699621 Surface Coatings International Part B: Coatings Transactions en 86 2 111–118 10.1007/BF02699621 93574741 1476-4865 subscription Madbouly Samy A. Otaigbe Joshua U. Nanda Ajaya K. Wicks Douglas A. 2005-05-01 Rheological Behavior of Aqueous Polyurethane Dispersions: Effects of Solid Content, Degree of Neutralization, Chain Extension, and Temperature https://pubs.acs.org/doi/10.1021/ma050453u Macromolecules en 38 9 4014–4023 10.1021/ma050453u 0024-9297 subscription Its derivatives like aspartic esters, secondary amines, aldimines and ketoimines serve as curatives in polyurea systems. In polyamides, 2-Methylpentamethylenediamine acts as a crystallinity disruptor. This makes polymers amorphous in structure and slows down crystallization. It lowers melting point, improves surface appearance, increases abrasion resistance, and dye uptake. It also reduces water absorption, gelling, melt and quench temperatures.Dytek A (2-Methylpentamethylenediamine) - Invista Specialty Chemicals https://polymer-additives.specialchem.com/product/a-invista-specialty-chemicals-dytek-a-2-methylpentamethylenediamine 2021-04-07 polymer-additives.specialchem.com en
In summary, its uses are:Dytek A 2-Methylpentamethylenediamine (MPMD) http://dytek.invista.com/products/dytek-a/ 2021-04-07 Dytek en-US
Corrosion inhibitor
Polyamide adhesive and ink resins.
Polyamide films, plastics, and fibers
Epoxy curing agents
Metalworking Fluids
Chain extenders
Water treatment chemicals
Isocyanates
Hazards
2-Methylpentamethylenediamine has many uses, but is a hazardous chemical.PubChem 1,5-Pentanediamine, 2-methyl- https://pubchem.ncbi.nlm.nih.gov/compound/85862 2022-12-05 pubchem.ncbi.nlm.nih.gov en It can cause burns, is corrosive to skin, harmful when swallowed, and it can cause pulmonary edema and acute pneumonitis when inhaled in high concentrations.2-Methylpentamethylenediamine - Hazardous Agents Haz-Map https://haz-map.com/Agents/2224?referer=BrowseByAlphabet&return_url=/Agents/(BrowseByAlphabet)/M 2021-04-07 haz-map.com
See also
1,2-Diaminocyclohexane
Hexamethylenediamine
References
External links
http://www.chemspider.com/Chemical-Structure.77450.html
https://webbook.nist.gov/cgi/cbook.cgi?ID=15520-10-2
Category:Diamines