{"id":1978,"date":"2025-12-27T10:13:37","date_gmt":"2025-12-27T02:13:37","guid":{"rendered":"http:\/\/www.jmchemi.com\/?post_type=product&p=1978"},"modified":"2026-01-20T17:14:12","modified_gmt":"2026-01-20T09:14:12","slug":"caustic-soda-flakes-sodium-hydroxide-flakes","status":"publish","type":"product","link":"https:\/\/www.jmchemi.com\/zh\/product\/caustic-soda-flakes-sodium-hydroxide-flakes\/","title":{"rendered":"\u7247\u78b1\uff08\u6c22\u6c27\u5316\u94a0\u7247\uff09 CAS No.1310-73-2"},"content":{"rendered":"

It is a highly important inorganic strong base with a UN number of 1823 and belongs to hazardous class 8 (corrosive substances).<\/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>\nNaOH<\/td>\n<\/tr>\n
\u5206\u5b50\u91cf<\/td>\n40.00 g\/mol<\/td>\n<\/tr>\n
Appearance<\/td>\nWhite, translucent, brittle flakes; highly hygroscopic, absorbing moisture and CO\u2082 in air<\/td>\n<\/tr>\n
Key Physical Properties<\/td>\nMelting point: 318.4\u00b0C; boiling point: 1390\u00b0C; density: 2.13 g\/cm\u00b3; highly soluble in water (exothermic), soluble in ethanol\/glycerol, insoluble in non – polar solvents like ether<\/td>\n<\/tr>\n
Purity Grades<\/td>\nIndustrial grade (96%, 99%) and food grade (\u226599%, meeting food safety standards)<\/td>\n<\/tr>\n
Production Method<\/td>\nMade by cooling molten sodium hydroxide on flaking rolls to form uniform – thickness flakes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Main Applications<\/h3>\n

Pulp & Paper:<\/strong> Used for pulp cooking, delignification, and paper – making processes.<\/p>\n

Detergents & Soap:<\/strong> Key for soap synthesis, synthetic detergent production, and animal\/vegetable oil refining.<\/p>\n

Textile Industry:<\/strong> Acts as a desizing agent, scouring agent, and mercerizing agent for cotton fabrics.<\/p>\n

Chemical Synthesis:<\/strong> Produces organic chemicals (formic acid, phenol) and inorganic chemicals (borax, sodium cyanide).<\/p>\n

Petroleum & Metallurgy:<\/strong> Refines petroleum products, treats oilfield drilling mud, and extracts alumina from bauxite (Bayer process).<\/p>\n

Water Treatment:<\/strong> Adjusts pH, neutralizes acidic wastewater, and removes heavy metals.<\/p>\n

Food Industry:<\/strong> Food – grade NaOH is used for equipment cleaning and pH regulation (compliant with food safety norms).<\/p>","protected":false},"excerpt":{"rendered":"

Caustic soda flakes, with the chemical formula NaOH and CAS number 1310-73-2, are the flaked solid form of sodium hydroxide, also commonly called lye or caustic soda. It is a highly important inorganic strong base with a UN number of 1823 and belongs to hazardous class 8 (corrosive substances).<\/p>","protected":false},"featured_media":3110,"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":[53],"product_tag":[],"class_list":{"0":"post-1978","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-caustic-soda-naoh","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\/zh\/wp-json\/wp\/v2\/product\/1978","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jmchemi.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.jmchemi.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jmchemi.com\/zh\/wp-json\/wp\/v2\/comments?post=1978"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jmchemi.com\/zh\/wp-json\/wp\/v2\/media\/3110"}],"wp:attachment":[{"href":"https:\/\/www.jmchemi.com\/zh\/wp-json\/wp\/v2\/media?parent=1978"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.jmchemi.com\/zh\/wp-json\/wp\/v2\/product_brand?post=1978"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.jmchemi.com\/zh\/wp-json\/wp\/v2\/product_cat?post=1978"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.jmchemi.com\/zh\/wp-json\/wp\/v2\/product_tag?post=1978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}