{"id":2478,"date":"2026-01-06T15:41:51","date_gmt":"2026-01-06T07:41:51","guid":{"rendered":"http:\/\/www.jmchemi.com\/?post_type=product&#038;p=2478"},"modified":"2026-01-20T16:49:09","modified_gmt":"2026-01-20T08:49:09","slug":"sodium-tripolyphosphate-stpp","status":"publish","type":"product","link":"https:\/\/www.jmchemi.com\/zh\/product\/sodium-tripolyphosphate-stpp\/","title":{"rendered":"\u4e09\u805a\u78f7\u9178\u94a0\uff08STPP\uff09CAS No.7758-29-4"},"content":{"rendered":"<h3>1. Description<\/h3>\n<p><strong>Chemical Formula:<\/strong>\u00a0Na\u2085P\u2083O\u2081\u2080<br \/>\n<strong>CAS Number:\u00a0<\/strong>7758-29-4<br \/>\nSodium tripolyphosphate (STPP) is an inorganic compound belonging to the polyphosphate family. It is a white, crystalline powder or granular substance highly soluble in water. STPP is widely used in industrial and household applications due to its versatile functional properties, particularly as a water softener, detergent builder, and food additive.<\/p>\n<h3>2.Industrial Applications<\/h3>\n<h4>2.1 Detergents and Cleaners<\/h4>\n<p>Acts as a\u00a0builder\u00a0in laundry and dishwashing detergents, improving cleaning efficiency by softening water and suspending dirt.<br \/>\nPrevents redeposition of soil on fabrics and surfaces.<\/p>\n<h4>2.2 Food Industry<\/h4>\n<p>Used as a\u00a0food additive (E451)\u00a0for moisture retention, texture improvement, and pH stabilization.<br \/>\nCommon in processed meats, seafood, poultry, and dairy products to enhance tenderness and shelf life.<\/p>\n<h4>2.3 Water Treatment<\/h4>\n<p>Functions as a\u00a0corrosion inhibitor\u00a0and\u00a0scale preventer\u00a0in water systems.<\/p>\n<h4>2.4 Industrial Uses<\/h4>\n<p>Employed in ceramics, leather tanning, textiles, and as a dispersant in paints and coatings.<\/p>","protected":false},"excerpt":{"rendered":"<p>Chemical Formula:\u00a0Na\u2085P\u2083O\u2081\u2080<br \/>\nCAS Number:\u00a07758-29-4<br \/>\nSodium tripolyphosphate (STPP) is an inorganic compound belonging to the polyphosphate family.<\/p>","protected":false},"featured_media":3108,"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 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