{"id":17860,"date":"2026-04-19T01:49:05","date_gmt":"2026-04-18T20:19:05","guid":{"rendered":"https:\/\/aluminiummagazine.com\/mag\/?p=17860"},"modified":"2026-04-19T01:49:06","modified_gmt":"2026-04-18T20:19:06","slug":"aluminium-lactate-dental-toothpaste-guide","status":"publish","type":"post","link":"https:\/\/aluminiummagazine.com\/mag\/aluminium\/compounds\/aluminium-lactate-dental-toothpaste-guide.html","title":{"rendered":"Aluminium Lactate (C\u2089H\u2081\u2085AlO\u2089): The Complete Guide"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Aluminium lactate is a mild, organic salt formed from metallic aluminium and lactic acid. It appears as a white, water\u2011soluble powder and is valued for its low skin irritation compared to traditional aluminium salts. Its primary applications are in sensitive\u2011teeth toothpastes, deodorants for hypersensitive skin, and professional mouthwashes.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:75px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">1. <strong>Basic Identification<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chemical Formula:<\/strong> Al(C\u2083H\u2085O\u2083)\u2083 or C\u2089H\u2081\u2085AlO\u2089<\/li>\n\n\n\n<li><strong>Alternative Names:<\/strong> Aluminium(III) lactate, Lactic acid aluminium salt<\/li>\n\n\n\n<li><strong>Molecular Weight:<\/strong> 294.19 g\/mol<\/li>\n\n\n\n<li><strong>CAS Number:<\/strong> 18917-91-4<\/li>\n\n\n\n<li><strong>Appearance:<\/strong> White, microcrystalline powder, freely soluble in cold water<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:75px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">2. <strong>Physical Properties<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Property<\/th><th class=\"has-text-align-center\" data-align=\"center\">Aluminum Lactate<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Melting Point<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">&gt;300\u202f\u00b0C (decomposes before melting)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Density<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">~1.1 g\/cm\u00b3<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Solubility<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Readily soluble in cold water; insoluble in organic solvents (toluene, etc.)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>pH Profile<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Mildly acidic in solution (biologically agreeable buffer)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Aluminum lactate is non\u2011hygroscopic, feels smooth to the touch, and dissolves without aggressive acidification or violent boiling.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:75px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">3. <strong>Chemical Behavior &amp; Synthesis<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">3.1 Gentle Astringency Mechanism<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Unlike aluminium chloride or sulfate, which can damage the skin barrier, aluminium lactate provides a mild astringent effect. The lactic acid component (an alpha\u2011hydroxy acid) gently exfoliates and moisturizes, while the aluminum ion helps shrink pores and reduce bacterial colonization.<\/p><div class=\"pai-ad\" style=\"min-height:250px;visibility:hidden;\"><span style=\"display: block; text-align: center; font-size: 10px; margin: 0 0 10px 0; color: #999999;\">Ads<\/span>\r\n<!-- Display-300x250-1 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:inline-block;width:300px;height:250px\"\r\n     data-ad-client=\"ca-pub-3838168351244230\"\r\n     data-ad-slot=\"9933646018\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">3.2 Synthesis<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Prepared in pharmaceutical plants by reacting highly purified aluminium hydroxide with fermentation\u2011derived lactic acid:<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Al(OH)\u2083 + 3 CH\u2083CH(OH)COOH \u2192 Al(CH\u2083CH(OH)COO)\u2083 + 3 H\u2082O<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The water is evaporated under vacuum, yielding a pure white powder.<\/p><div class=\"pai-ad\" style=\"min-height:250px;visibility:hidden;\"><span style=\"display: block; text-align: center; font-size: 10px; margin: 0 0 10px 0; color: #999999;\">Ads<\/span>\r\n<!-- Display-300x250-1 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:inline-block;width:300px;height:250px\"\r\n     data-ad-client=\"ca-pub-3838168351244230\"\r\n     data-ad-slot=\"9933646018\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:75px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">4. <strong>Medical &amp; Cosmetic Applications<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">4.1 Sensitive Teeth (Dentin Hypersensitivity)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Aluminum lactate is embedded in premium sensitive\u2011teeth toothpastes (especially European brands).<br><strong>Mechanism:<\/strong> It coagulates proteins inside exposed dentin tubules, physically blocking the channels and preventing cold liquids from reaching the nerve.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.2 Deodorants for Hypersensitive Skin<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Because it mimics the skin\u2019s natural acid mantle, aluminum lactate restricts sweat gland activity without causing the redness, itching, or rash associated with inorganic aluminium halides.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.3 Mouthwashes for Gingivitis<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In professional mouthwashes, aluminium lactate acts as a mild styptic \u2013 it helps harden swollen gum tissue and reduces microscopic bleeding without harsh acidity.<\/p><div class=\"pai-ad\" style=\"min-height:250px;visibility:hidden;\"><span style=\"display: block; text-align: center; font-size: 10px; margin: 0 0 10px 0; color: #999999;\">Ads<\/span>\r\n<!-- Display-300x250-1 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:inline-block;width:300px;height:250px\"\r\n     data-ad-client=\"ca-pub-3838168351244230\"\r\n     data-ad-slot=\"9933646018\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:75px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">5. <strong>Safety &amp; Hazard Management<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Aluminum lactate is considered safe for over\u2011the\u2011counter daily use.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Route of Exposure<\/th><th>Effect<\/th><\/tr><\/thead><tbody><tr><td><strong>Inhalation<\/strong><\/td><td>Minor dust irritation; may dry throat if large amounts are inhaled.<\/td><\/tr><tr><td><strong>Skin Contact<\/strong><\/td><td>Very low risk; generally therapeutic.<\/td><\/tr><tr><td><strong>Eye Contact<\/strong><\/td><td>May sting or lightly irritate \u2013 flush with tepid water.<\/td><\/tr><tr><td><strong>Ingestion<\/strong><\/td><td>Low oral toxicity (used in toothpaste, incidental swallowing is safe).<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PPE for bulk handling:<\/strong> N95 dust mask, safety glasses, standard gloves.<br><strong>Storage:<\/strong> Keep dry to prevent caking. Simple polyethylene drums or sealed bags.<br><strong>Disposal:<\/strong> Non\u2011hazardous; can be swept and disposed of in municipal waste.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:75px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">6. <strong>Environmental Impact<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Aluminium lactate is highly biodegradable. The lactate moiety is rapidly consumed by soil bacteria and fungi, breaking down into carbon dioxide and water. The trace aluminium rejoins soil minerals without significant bioaccumulation in the food chain.<\/p><div class=\"pai-ad\" style=\"min-height:250px;visibility:hidden;\"><span style=\"display: block; text-align: center; font-size: 10px; margin: 0 0 10px 0; color: #999999;\">Ads<\/span>\r\n<!-- Display-300x250-1 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:inline-block;width:300px;height:250px\"\r\n     data-ad-client=\"ca-pub-3838168351244230\"\r\n     data-ad-slot=\"9933646018\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:75px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">7. <strong>Comparison with Other Aluminium Compounds<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Compound<\/th><th class=\"has-text-align-center\" data-align=\"center\">Formula<\/th><th>Primary Nature<\/th><th>Primary Medical Application<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Aluminium Lactate<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Al(C\u2083H\u2085O\u2083)\u2083<\/td><td>Organic mild acid\u2011salt<\/td><td>Sensitive\u2011teeth toothpaste, gums<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Basic Aluminium Carbonate<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Al\u2082(OH)\u2082CO\u2083 (approx.)<\/td><td>Insoluble buffer<\/td><td>Phosphate binder in renal failure<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Aluminium Sulfate<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Al\u2082(SO\u2084)\u2083<\/td><td>Aggressive acidic salt<\/td><td>Strong styptic to stop bleeding<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><em>Correction note:<\/em> Pure Al\u2082(CO\u2083)\u2083 is unstable; the pharmaceutical form is a basic carbonate containing hydroxide.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:75px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">8. <strong>Frequently Asked Questions<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: Does aluminum lactate contain lactose or dairy allergens?<\/strong><br>A: No. \u201cLactate\u201d refers to lactic acid, now produced by bacterial fermentation of corn or beet sugar \u2013 completely dairy\u2011free.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: Why isn\u2019t it used in all deodorants?<\/strong><br>A: Cost. Aluminum lactate is significantly more expensive to manufacture than generic aluminum chlorohydrate.<\/p><div class=\"pai-ad\" style=\"min-height:250px;visibility:hidden;\"><span style=\"display: block; text-align: center; font-size: 10px; margin: 0 0 10px 0; color: #999999;\">Ads<\/span>\r\n<!-- Display-300x250-1 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:inline-block;width:300px;height:250px\"\r\n     data-ad-client=\"ca-pub-3838168351244230\"\r\n     data-ad-slot=\"9933646018\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: Does it damage teeth?<\/strong><br>A: No. It physically blocks open dentin tubules, reducing pain from cold stimuli without harming enamel.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:75px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">9. <strong>Summary Data Sheet<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Property<\/th><th class=\"has-text-align-center\" data-align=\"center\">Value<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Chemical Name<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Aluminum Lactate<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Formula<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">C\u2089H\u2081\u2085AlO\u2089<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Appearance<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">White, water\u2011soluble powder<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Defining Trait<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Dermatologically gentle astringent<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Solubility<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Freely soluble in cold water<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Primary Utility<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Sensitive\u2011teeth toothpaste<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Hazard Note<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Low toxicity, environmentally biodegradable<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/p><script>document.addEventListener(\"DOMContentLoaded\",function(){\n        if(window.innerWidth <= 768){\n            if (\"immediate\" === \"delay\") {\n                setTimeout(function(){document.querySelectorAll(\".pai-ad\").forEach(el=>el.style.visibility=\"visible\")},0);\n            } else if (\"immediate\" === \"scroll\") {\n                window.addEventListener(\"scroll\",function(){\n                    let s=window.scrollY\/(document.body.scrollHeight-window.innerHeight);\n                    if(s>0.1){\n                        document.querySelectorAll(\".pai-ad\").forEach(el=>el.style.visibility=\"visible\");\n                    }\n                });\n            } else {\n                document.querySelectorAll(\".pai-ad\").forEach(el=>el.style.visibility=\"visible\");\n            }\n        } else {\n            document.querySelectorAll(\".pai-ad\").forEach(el=>el.remove());\n        }\n    });<\/script>","protected":false},"excerpt":{"rendered":"<p>Aluminium lactate is a mild, organic salt formed from metallic aluminium and lactic acid. It appears as a white, water\u2011soluble powder and is valued for its low skin irritation compared to traditional aluminium salts. Its primary applications are in sensitive\u2011teeth toothpastes, deodorants for hypersensitive skin, and professional mouthwashes. 1. Basic Identification 2. Physical Properties Property &#8230; <a title=\"Aluminium Lactate (C\u2089H\u2081\u2085AlO\u2089): The Complete Guide\" class=\"read-more\" href=\"https:\/\/aluminiummagazine.com\/mag\/aluminium\/compounds\/aluminium-lactate-dental-toothpaste-guide.html\" aria-label=\"Read more about Aluminium Lactate (C\u2089H\u2081\u2085AlO\u2089): The Complete Guide\">Read more<\/a><\/p>\n","protected":false},"author":12,"featured_media":17969,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4155],"tags":[4141,4142],"class_list":["post-17860","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-compounds","tag-aluminium-compounds","tag-aluminum-formula"],"_links":{"self":[{"href":"https:\/\/aluminiummagazine.com\/mag\/wp-json\/wp\/v2\/posts\/17860","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aluminiummagazine.com\/mag\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aluminiummagazine.com\/mag\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aluminiummagazine.com\/mag\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/aluminiummagazine.com\/mag\/wp-json\/wp\/v2\/comments?post=17860"}],"version-history":[{"count":0,"href":"https:\/\/aluminiummagazine.com\/mag\/wp-json\/wp\/v2\/posts\/17860\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aluminiummagazine.com\/mag\/wp-json\/wp\/v2\/media\/17969"}],"wp:attachment":[{"href":"https:\/\/aluminiummagazine.com\/mag\/wp-json\/wp\/v2\/media?parent=17860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aluminiummagazine.com\/mag\/wp-json\/wp\/v2\/categories?post=17860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aluminiummagazine.com\/mag\/wp-json\/wp\/v2\/tags?post=17860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}