Overview
Ammonium Fluoride (NH₄F) is a white crystalline inorganic compound recognized for its solubility in water and its reactivity with glass and silicate-based materials. With the CAS number 7784-18-1, this compound meets American Chemical Society (ACS) specifications, making it suitable for high-purity laboratory and industrial applications.
Chemical Properties
– Chemical Formula: NH₄F
– Molar Mass: 37.04 g/mol
– Appearance: White crystalline solid
– Solubility: Soluble in water; slightly soluble in alcohol
– Melting Point: ~100°C (sublimes)
– Odor: Slight ammonia-like
Applications
Ammonium Fluoride is used in a range of non-food industries due to its ability to interact with silicates and metals. Common applications include:
– Etching and Surface Treatment: Frequently used in glass etching and metal surface treatments. Its fluoride content allows it to etch silica-based materials effectively.
– Chemical Synthesis: Acts as a reagent in the synthesis of various fluoride compounds and serves as a source of fluoride ions.
– Analytical Chemistry: Used in labs for sample preparation and as a buffer component in various analytical processes.
– Electronics and Semiconductors: Involved in microfabrication processes where precise surface modification is required.
– Cleaning and Pickling Agents: Incorporated in formulations designed to remove oxides and prepare surfaces for coating or bonding.
Safety & Handling
Ammonium Fluoride is corrosive and should be handled with proper protective equipment. It can release hydrogen fluoride (HF) when exposed to acids or moisture, which is highly toxic and corrosive.
– Hazards: Causes skin and eye irritation. Inhalation or ingestion can be harmful.
– PPE: Use gloves, goggles, and lab coats. Ensure adequate ventilation or use under a fume hood.
– Storage: Store in a tightly sealed container in a cool, dry, well-ventilated area, away from acids and moisture.
Regulatory Information
This product complies with ACS-grade standards for chemical purity and quality. Always consult your local, state, and federal regulations regarding storage, handling, and disposal.
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