{"product_id":"ammonium-bifluoride-flakes-acs-grade","title":"Ammonium Bifluoride Flakes ACS Grade","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eAmmonium Bifluoride Flakes (NH4HF2) are supplied as an ACS Reagent Grade, white crystalline solid meeting the rigorous specifications set by the American Chemical Society. Also known as Ammonium Hydrogen Fluoride, this compound serves as a critical source of fluoride ions for analytical, research, and industrial applications. With a density of 1.25 g\/mL at 25°C, it dissolves readily in water to create an acidic solution suitable for precision operations.\u003c\/p\u003e\n\u003cp\u003eThis ACS Grade material is certified for use in analytical chemistry, quality control testing, and demanding applications in electronics manufacturing, glass processing, and metal finishing. It offers a tightly controlled impurity profile that meets or exceeds ACS specifications, making it suitable for quantitative analysis, titrations, and sensitive laboratory procedures. The product is packaged to maintain dryness and flowability, ensuring consistent performance in batch processing.\u003c\/p\u003e\n\n\u003ch3\u003eKey Properties\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e NH₄HF₂\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAS Number:\u003c\/strong\u003e 1341-49-7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e ACS Reagent Grade\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAppearance:\u003c\/strong\u003e White crystalline flakes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolubility:\u003c\/strong\u003e Highly soluble in water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular Weight:\u003c\/strong\u003e 83.01 g\/mol\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMelting Point:\u003c\/strong\u003e -11 to -16°C (decomposes upon heating)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 1.25 (typical at 20°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Behavior:\u003c\/strong\u003e Weak acid (pKa 3.0–3.1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalytical Chemistry:\u003c\/strong\u003e Used as an ACS-grade reagent for quantitative analysis, titrations, and laboratory procedures requiring certified purity standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlass \u0026amp; Ceramic Etching:\u003c\/strong\u003e Used extensively for etching patterns, frosting glass, and removing oxides from silicate materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal Surface Finishing:\u003c\/strong\u003e Acts as an efficient cleaning agent for aluminum anodizing and brightening, as well as rust removal for iron and steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronics Manufacturing:\u003c\/strong\u003e Serves as an etchant for silicon wafers and oxide removal in semiconductor fabrication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Cleaning:\u003c\/strong\u003e Used in brewery and dairy pipe cleaning solutions to remove stone and scale buildup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Synthesis:\u003c\/strong\u003e Provides a reactive source of fluoride for the production of wood preservatives and other fluorinated compounds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil \u0026amp; Gas:\u003c\/strong\u003e Utilized in acidification of oil wells to dissolve silica and silicates in rock formations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety \u0026amp; Handling\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHazmat Classification:\u003c\/strong\u003e UN 1727, Ammonium hydrogendifluoride, solid, Class 8, PG II.\u003c\/p\u003e\n\u003cp\u003eAmmonium Bifluoride is corrosive and toxic. Strict safety protocols must be followed during handling:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePPE:\u003c\/strong\u003e Wear chemical-resistant gloves (Neoprene\/Nitrile), full-face splash shield or goggles, and impervious protective clothing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Store in a cool, dry, well-ventilated area in corrosion-resistant containers (HDPE or plastic). Avoid glass containers for long-term storage of solutions due to etching properties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandling:\u003c\/strong\u003e Prevent dust generation. Do not breathe dust or mist. Wash thoroughly after handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn the event of exposure, refer immediately to the product Safety Data Sheet (SDS) and seek medical attention. This product is for professional and industrial use only.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ammonium-bifluoride-flakes\"\u003eAmmonium Bifluoride Flakes - Reagent Grade\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/cadmium-oxide-powder-acs-reagent\"\u003eCadmium Oxide Powder ACS Reagent\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/cadmium-oxide-powder\"\u003eCadmium Oxide Powder Technical\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Alliance Chemical","offers":[{"title":"Flakes \/ 2 lb","offer_id":44119465525290,"sku":"AC-ABF-ACS-2","price":29.7,"currency_code":"USD","in_stock":true},{"title":"Flakes \/ 5 lb","offer_id":44119465558058,"sku":"AC-ABF-ACS-5","price":57.2,"currency_code":"USD","in_stock":true},{"title":"Flakes \/ 44 lb","offer_id":44119465590826,"sku":"AC-ABF-ACS-44","price":242.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/2734\/1866\/files\/Ammonium_Bifluoride_Flakes-2_lb-Container-AC-ABF-ACS-2.png?v=1771872965","url":"https:\/\/alliancechemical.com\/products\/ammonium-bifluoride-flakes-acs-grade","provider":"Alliance Chemical","version":"1.0","type":"link"}