{"id":2065,"date":"2025-12-27T17:08:51","date_gmt":"2025-12-27T09:08:51","guid":{"rendered":"http:\/\/www.jmchemi.com\/?post_type=product&p=2065"},"modified":"2026-01-15T11:44:16","modified_gmt":"2026-01-15T03:44:16","slug":"phosphoric-acid","status":"publish","type":"product","link":"https:\/\/www.jmchemi.com\/pt\/produto\/phosphoric-acid\/","title":{"rendered":"\u00c1cido fosf\u00f3rico N.\u00ba CAS 7664-38-2"},"content":{"rendered":"

It is a vital weak inorganic acid widely used in industrial, agricultural, and food fields, and is classified as a corrosive substance (hazard class 8, UN number 1805 for concentrated solutions).<\/p>\n

Basic Information<\/h3>\n\n\n\n\n\n\n\n\n\n
Item<\/td>\nDetails<\/td>\n<\/tr>\n
Chemical Formula<\/td>\nH3<\/sub>PO4<\/sub><\/td>\n<\/tr>\n
Peso molecular<\/td>\n98.00 g\/mol<\/td>\n<\/tr>\n
Appearance<\/td>\nColorless, viscous liquid; concentrated phosphoric acid is hygroscopic<\/td>\n<\/tr>\n
Key Physical Properties<\/td>\nMelting point: 42.35\u00b0C; boiling point: 213\u00b0C (decomposes to pyrophosphoric acid); density: 1.88 g\/cm\u00b3 (85% aqueous solution); miscible with water and ethanol in any proportion<\/td>\n<\/tr>\n
Purity Grades<\/td>\nIndustrial grade (85%, 90%, 95%), food grade (\u226585%, compliant with food safety standards), electronic grade (ultra-high purity for semiconductor manufacturing)<\/td>\n<\/tr>\n
Production Method<\/td>\nMainly via\u00a0wet process\u00a0(reacting phosphate rock with sulfuric acid, cost-effective for industrial use) and\u00a0thermal process\u00a0(producing high-purity acid for food and electronics industries)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Main Applications<\/h3>\n

Agriculture:<\/strong> The largest application field\u2014used to produce phosphate fertilizers such as superphosphate, triple superphosphate, and ammonium phosphate, which provide essential phosphorus nutrients for crops.<\/p>\n

Food Industry:<\/strong> Food-grade phosphoric acid acts as an acidity regulator, flavor enhancer, and preservative in beverages (e.g., cola drinks), jams, and processed meats; it also adjusts the pH of food products.<\/p>\n

Industrial Manufacturing:<\/strong> Used in metal surface treatment (phosphatization) to form a protective phosphate film on steel surfaces, preventing corrosion; serves as a raw material for phosphate salts (e.g., sodium phosphate, potassium phosphate) and detergents; and is applied in the production of ceramics, glass, and electronics.<\/p>\n

Water Treatment:<\/strong> Used as a scale and corrosion inhibitor in industrial cooling water systems, preventing the formation of calcium and magnesium scales.<\/p>\n

Pharmaceuticals:<\/strong> Utilized in the synthesis of certain drugs and as a pH adjuster in pharmaceutical formulations.<\/p>","protected":false},"excerpt":{"rendered":"

Phosphoric acid, with the chemical formula\u00a0\u00a0and CAS number 7664-38-2, is a colorless, odorless, and syrupy liquid at room temperature. It is a vital weak inorganic acid widely used in industrial, agricultural, and food fields, and is classified as a corrosive substance (hazard class 8, UN number 1805 for concentrated solutions).<\/p>","protected":false},"featured_media":3516,"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":[54],"product_tag":[],"class_list":{"0":"post-2065","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-phosphoric-acid","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":"shipping-taxable","17":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.jmchemi.com\/pt\/wp-json\/wp\/v2\/product\/2065","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jmchemi.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.jmchemi.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jmchemi.com\/pt\/wp-json\/wp\/v2\/comments?post=2065"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jmchemi.com\/pt\/wp-json\/wp\/v2\/media\/3516"}],"wp:attachment":[{"href":"https:\/\/www.jmchemi.com\/pt\/wp-json\/wp\/v2\/media?parent=2065"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.jmchemi.com\/pt\/wp-json\/wp\/v2\/product_brand?post=2065"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.jmchemi.com\/pt\/wp-json\/wp\/v2\/product_cat?post=2065"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.jmchemi.com\/pt\/wp-json\/wp\/v2\/product_tag?post=2065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}