{"id":792,"date":"2026-05-09T05:09:06","date_gmt":"2026-05-09T05:09:06","guid":{"rendered":"https:\/\/saphydrogels.com\/?p=792"},"modified":"2026-05-10T02:56:22","modified_gmt":"2026-05-10T02:56:22","slug":"the-difference-between-sodium-acrylate-and-sodium-polyacrylate","status":"publish","type":"post","link":"https:\/\/saphydrogels.com\/en_ca\/the-difference-between-sodium-acrylate-and-sodium-polyacrylate\/","title":{"rendered":"The difference between sodium acrylate and sodium polyacrylate"},"content":{"rendered":"<figure class=\"wp-block-image size-large\"><img decoding=\"async\" class=\"wp-image-271\" src=\"https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/02\/powder-state-vs-gel-state-1-1024x497.jpg\" alt=\"\" \/>\r\n<h2 style=\"font-style: normal;\">Sodium acrylate and\u00a0<a style=\"font-size: 27.2px; transition-property: all; color: #3a3a3a;\" title=\"\" href=\"https:\/\/saphydrogels.com\/en_ca\/sodium-polyacrylate-in-gel-ice-packs\/\" target=\"_blank\" rel=\"noopener\">sodium polyacrylate<\/a>\u00a0are related compounds but have distinct differences:<\/h2>\r\n<figure id=\"attachment_2287\" aria-describedby=\"caption-attachment-2287\" style=\"width: 569px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-2287\" title=\"Liquid Absorbing Substances-sodium polyacrylate\" src=\"https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/07\/Sodium-polyacrylate-chemical-formula-300x183.png\" alt=\"Liquid Absorbing Substances-sodium polyacrylate\" width=\"569\" height=\"347\" srcset=\"https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/07\/Sodium-polyacrylate-chemical-formula-300x183.png 300w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/07\/Sodium-polyacrylate-chemical-formula-768x469.png 768w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/07\/Sodium-polyacrylate-chemical-formula-18x12.png 18w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/07\/Sodium-polyacrylate-chemical-formula.png 900w\" sizes=\"(max-width: 569px) 100vw, 569px\" \/><figcaption id=\"caption-attachment-2287\" class=\"wp-caption-text\">Liquid Absorbing Substances-sodium polyacrylate<\/figcaption><\/figure>\r\n<\/figure>\r\n\r\n\r\n\r\n<ol class=\"wp-block-list\">\r\n<li><strong>Chemical Structure<\/strong>:\r\n<ul class=\"wp-block-list\">\r\n<li><strong>Sodium Acrylate<\/strong>: This is a salt of acrylic acid, specifically the sodium salt. Its chemical formula is <a href=\"https:\/\/tr.ee\/12tpfHAt5o\">CH2=CHCOONa<\/a>. It is a monomer, meaning it consists of a single repeating unit.<\/li>\r\n\r\n\r\n\r\n<li><strong><a title=\"\" href=\"https:\/\/saphydrogels.com\/en_ca\/high-absorb-ability-polymer\/\" target=\"_blank\" rel=\"noopener\">Sodium Polyacrylate<\/a><\/strong>: This is a polymer derived from acrylic acid. It consists of multiple repeating units of sodium acrylate linked together through chemical bonds. Its chemical formula can be represented as (CH2=CHCOONa)n, indicating a chain of repeated sodium acrylate units.<\/li>\r\n<\/ul>\r\n<\/li>\r\n\r\n\r\n\r\n<li><strong>Physical Properties<\/strong>:\r\n<ul class=\"wp-block-list\">\r\n<li><strong>Sodium Acrylate<\/strong>: As a monomer, sodium acrylate is typically in the form of a white crystalline powder. It is soluble in water and has various industrial uses, such as in the production of superabsorbent polymers.<\/li>\r\n\r\n\r\n\r\n<li><strong>Sodium Polyacrylate<\/strong>: This polymer is usually in the form of a fine powder or granules. It has a high water-absorbing capacity, making it suitable for use in products like diapers, feminine hygiene products, and agricultural soil amendments.<\/li>\r\n<\/ul>\r\n<\/li>\r\n\r\n\r\n\r\n<li><strong>Applications<\/strong>:\r\n<ul class=\"wp-block-list\">\r\n<li><strong>Sodium Acrylate<\/strong>: It is primarily used as a precursor in the synthesis of sodium polyacrylate, which is the superabsorbent polymer widely used in absorbent products.<\/li>\r\n\r\n\r\n\r\n<li><strong>Sodium Polyacrylate<\/strong>: This polymer is used extensively in industries where moisture absorption and retention are critical, such as in hygiene products, agriculture, and certain medical applications.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ol>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><img decoding=\"async\" class=\"wp-image-2353 aligncenter\" src=\"https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Super-absorbent-material-1-300x300.jpg\" alt=\"\" width=\"402\" height=\"402\" srcset=\"https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Super-absorbent-material-1-300x300.jpg 300w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Super-absorbent-material-1-1024x1024.jpg 1024w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Super-absorbent-material-1-150x150.jpg 150w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Super-absorbent-material-1-768x768.jpg 768w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Super-absorbent-material-1-1536x1536.jpg 1536w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Super-absorbent-material-1-2048x2048.jpg 2048w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Super-absorbent-material-1-12x12.jpg 12w\" sizes=\"(max-width: 402px) 100vw, 402px\" \/><\/p>\r\n<p>In summary, sodium acrylate is the monomeric form of acrylic acid&#8217;s sodium salt, while sodium polyacrylate is a polymer made from multiple units of sodium acrylate linked together, known for its superabsorbent properties.<\/p>","protected":false},"excerpt":{"rendered":"<p>In summary, sodium acrylate is the monomeric form of acrylic acid&#8217;s sodium salt, while sodium polyacrylate is a polymer made [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":642,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"site-sidebar-layout":"right-sidebar","site-content-layout":"","ast-site-content-layout":"normal-width-container","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":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","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-4)","background-image":"","background-repeat":"repeat","background-position":"center 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