{"id":2438,"date":"2026-01-06T14:39:56","date_gmt":"2026-01-06T06:39:56","guid":{"rendered":"http:\/\/www.jmchemi.com\/?post_type=product&p=2438"},"modified":"2026-01-22T14:10:41","modified_gmt":"2026-01-22T06:10:41","slug":"maleic-anhydride-ma","status":"publish","type":"product","link":"https:\/\/www.jmchemi.com\/ru\/product\/maleic-anhydride-ma\/","title":{"rendered":"\u041c\u0430\u043b\u0435\u0438\u043d\u043e\u0432\u044b\u0439 \u0430\u043d\u0433\u0438\u0434\u0440\u0438\u0434 (MA) CAS No.108-31-6"},"content":{"rendered":"

Technical Introduction<\/h3>\n

Maleic Anhydride, abbreviated as\u00a0MA, is a colorless, crystalline cyclic anhydride and a key unsaturated organic intermediate. It is one of the most widely produced anhydrides globally, valued for its high reactivity and versatility in synthesizing polymers, specialty chemicals, and agrochemicals.<\/p>\n

1.Chemical Identity<\/h4>\n\n\n\n\n\n\n\n\n\n\n
Item<\/td>\nSpecification<\/td>\n<\/tr>\n
Chemical Name<\/td>\nMaleic Anhydride; 2,5-Furandione; cis-Butenedioic Anhydride<\/td>\n<\/tr>\n
Abbreviation<\/td>\nMA<\/td>\n<\/tr>\n
Chemical Formula<\/td>\nC4<\/sub>H2<\/sub>O3<\/sub><\/td>\n<\/tr>\n
\u041c\u043e\u043b\u0435\u043a\u0443\u043b\u044f\u0440\u043d\u0430\u044f \u043c\u0430\u0441\u0441\u0430<\/td>\n98.06 g\/mol<\/td>\n<\/tr>\n
CAS Registry Number<\/td>\n108-31-6<\/td>\n<\/tr>\n
UN Number<\/td>\n2215 (Class 8 Corrosive Substance)<\/td>\n<\/tr>\n
Structural Feature<\/td>\nA five-membered cyclic anhydride with a cis-carbon-carbon double bond, enabling addition, polymerization, and hydrolysis reactions<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2. Industrial Applications<\/h4>\n

MA\u2019s high reactivity makes it a cornerstone intermediate in multiple industries:<\/strong><\/p>\n

Unsaturated Polyester Resins (UPR) – Largest Application\u00a0Copolymerized with glycols (e.g., ethylene glycol, propylene glycol) and unsaturated acids to produce UPR, the key raw material for fiberglass-reinforced plastics (FRP). FRP is widely used in construction, automotive parts, boat hulls, and pipes due to its lightweight and high strength.<\/p>\n

Lubricant Additives<\/h5>\n

Reacted with alcohols or amines to produce\u00a0succinic anhydride derivatives, which are used as dispersants and detergents in engine oils, improving lubricant performance and reducing carbon deposits.<\/p>\n

Agrochemicals & Pharmaceuticals<\/h5>\n

Serves as a precursor for synthesizing herbicides (e.g., glyphosate intermediates), insecticides, and pharmaceutical active ingredients (e.g., anti-inflammatory drugs, antibiotics). Its cyclic structure enables the formation of bioactive molecular frameworks.<\/p>","protected":false},"excerpt":{"rendered":"

Maleic Anhydride, abbreviated as\u00a0MA, is a colorless, crystalline cyclic anhydride and a key unsaturated organic intermediate. It is one of the most widely produced anhydrides globally, valued for its high reactivity and versatility in synthesizing polymers, specialty chemicals, and agrochemicals.<\/p>","protected":false},"featured_media":3517,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"%%post_title%%","_seopress_titles_desc":"%%post_excerpt%%","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[106],"product_tag":[],"class_list":{"0":"post-2438","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-mamaleic-anhydride","7":"desktop-align-center","8":"tablet-align-left","9":"mobile-align-left","10":"ast-product-gallery-layout-horizontal-slider","11":"ast-product-gallery-with-no-image","12":"ast-product-tabs-layout-horizontal","14":"first","15":"instock","16":"featured","17":"shipping-taxable","18":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.jmchemi.com\/ru\/wp-json\/wp\/v2\/product\/2438","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jmchemi.com\/ru\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.jmchemi.com\/ru\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jmchemi.com\/ru\/wp-json\/wp\/v2\/comments?post=2438"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jmchemi.com\/ru\/wp-json\/wp\/v2\/media\/3517"}],"wp:attachment":[{"href":"https:\/\/www.jmchemi.com\/ru\/wp-json\/wp\/v2\/media?parent=2438"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.jmchemi.com\/ru\/wp-json\/wp\/v2\/product_brand?post=2438"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.jmchemi.com\/ru\/wp-json\/wp\/v2\/product_cat?post=2438"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.jmchemi.com\/ru\/wp-json\/wp\/v2\/product_tag?post=2438"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}