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 (ī′sō-sī′ə-nāt′, -nət)
1. A chemical group, NCO.
2. A salt, ester, or anion of isocyanic acid.
3. Any of various compounds that contain an isocyanate group, NCO. Isocyanates are used mainly in production of polyurethane and can cause respiratory disorders, especially asthma, if inhaled.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Chemistry) chem any of various compounds containing the univalent radical -N=C=O
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌaɪ səˈsaɪ əˌneɪt)

a salt or ester of an unstable acid, CHNO, tautomeric with cyanic acid.
[1870–75; isocyan(ic acid) (see iso-, cyanic acid) + -ate2]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.isocyanate - a salt or ester of isocyanic acid
salt - a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
In particular, this refers to overcoming the differences that the removal of residual diisocyanate monomer present to the performance of the final adhesive formulation,' explains Emanuel.
Thanks to the proven LF technology, various polyols and diisocyanates can be used to produce prepolymers with very low free diisocyanate monomer content.
Summary: Global Methylene Diphenyl Diisocyanate Market Report 2019 explores future trends for supply, demand and market growth rate, market size, prices, trading, competition and value chain as well as Key Players of the industry's information with forecast from 2019 to 2024.
" We are using MDI (methylene diphenyl diisocyanate) based foam in our hospitality mattresses, which is eco-friendly vis-a-vis using a toluene diisocyanate (TDI) base.
(NYSE: HUN) has completed the acquisition of UK-based methylene diphenyl diisocyanate based systems formulator IFS Chemicals Ltd., the company said.
The commercial director of the plant, Kazem Bostakian, has told Shana that the toluene diisocyanate (TDI) consignment of the plant will be sent to Italy presently, saying the deal has been made possible under the auspices of the Joint Comprehensive Plan of Action (JCPOA) implementation.
Polyurethanes are obtained by the reaction of an oligomeric polyol with a diisocyanate (or polyisocyanate), says Ionescu, and while there are many books on polyurethanes and diisocyanates, this may be the first devoted to oligo-polyols.
[USPRwire, Tue Mar 22 2016] GlobalData's new report, "Methylene Diphenyl Diisocyanate (MDI) Industry Outlook in Taiwan to 2019 - Market Size, Price Trends and Trade Balance", provides in-depth coverage of Taiwan's Methylene Diphenyl Diisocyanate (MDI) industry and presents major market trends.
Diisocyanates (DIC), such as: toluene diisocyanate (TDI), 4,4'-methylenebis(phenyl isocyanate) (MDI) and hexamethylene diisocyanate (HDI), are commonly used in manufacture of many products, including flexible and rigid polyurethane foams, polyurethane rubbers and elastomers, adhesives, paints, coatings, insecticides, and rock consolidation media [1,2].
Polyols, when reacted with isocyanate (such as methylene diphenyl diisocyanate), yield polyurethane.