Overview
Bismuth acetate, also known as bismuth(III) acetate, is an inorganic compound with the formula Bi(CH3COO)3. It is a white to off-white crystalline powder that is primarily used as a precursor in the synthesis of other bismuth compounds. Due to its unique chemical properties, it finds applications in pharmaceuticals, catalysis, and materials science. Bismuth acetate is typically produced by the reaction of bismuth oxide with acetic acid. The compound is known for its thermal instability, decomposing upon heating. It is soluble in acetic acid and slightly soluble in water, making it suitable for specific industrial processes.
Physical and Chemical Properties
Bismuth acetate exhibits several notable physical and chemical properties. It appears as a white to off-white crystalline powder and is thermally unstable, decomposing before reaching a melting point. The compound is soluble in acetic acid but only slightly soluble in water, which influences its handling and application methods. Chemically, bismuth acetate reacts with strong acids, releasing acetic acid and forming corresponding bismuth salts. Its molecular weight is 386.11 g/mol, and it should be stored in a cool, dry environment to prevent decomposition. These properties make it a versatile intermediate in various chemical processes.
Main Applications
Bismuth acetate is widely used in the pharmaceutical industry, particularly in the formulation of bismuth-containing medications for gastrointestinal disorders. Its role as a catalyst in organic synthesis is also significant, where it facilitates various chemical reactions. Additionally, bismuth acetate serves as a precursor for other bismuth compounds, such as bismuth subcarbonate and bismuth oxychloride, which are used in cosmetics and pigments. Its applications extend to materials science, where it is employed in the production of specialized coatings and ceramics.
Safety and Storage
Handling bismuth acetate requires adherence to safety protocols to minimize health risks. The compound should not be inhaled or allowed to come into contact with skin or eyes. Personal protective equipment (PPE), including gloves and goggles, is recommended during use. Storage conditions are critical to maintaining the stability of bismuth acetate. It should be kept in a cool, dry place, away from moisture and strong acids. Proper labeling and segregation from incompatible materials are essential to prevent accidental reactions.
B2B Procurement Guide
When procuring bismuth acetate for industrial use, buyers should prioritize purity and supplier reliability. The compound is available in various grades, with pharmaceutical-grade being the highest purity. Bulk purchases often provide cost advantages, but it is advisable to request samples for quality verification. Procurement professionals should also consider logistical factors, such as storage and transportation requirements, to ensure the compound remains stable during transit. Establishing long-term relationships with reputable suppliers can ensure consistent quality and timely delivery.
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