Sodium Hydroxide (Small Pack)
Overview
Sodium Hydroxide, commonly known as caustic soda or lye, is a fundamental chemical used across various industries. The small pack version is particularly favored for laboratory use, small-scale manufacturing, and specialized applications where bulk quantities are unnecessary. This form of sodium hydroxide is typically packaged in airtight containers to prevent moisture absorption and degradation. Its high reactivity and alkalinity make it indispensable in processes requiring precise pH control or strong base reactions.
Physical and Chemical Properties
Sodium Hydroxide is a white, odorless solid at room temperature, available in pellets, flakes, or granular forms. It is highly soluble in water, releasing significant heat upon dissolution—a property known as exothermic reaction. As a strong base, it readily reacts with acids to form salts and water (neutralization). It also reacts with metals like aluminum and zinc, producing hydrogen gas. Its hygroscopic nature means it absorbs moisture from the air, necessitating careful storage.
Main Applications
In the chemical industry, sodium hydroxide is used to manufacture soaps, detergents, and various organic compounds. It plays a critical role in the production of paper, where it helps break down wood fibers. Water treatment facilities use it to adjust pH levels and remove heavy metals. Additionally, it is employed in food processing for cleaning and peeling fruits and vegetables, though food-grade purity is required for such uses.
Safety and Storage
Due to its corrosive nature, sodium hydroxide requires strict safety measures. Direct contact can cause severe skin burns, and inhalation of dust may irritate the respiratory tract. Always use gloves, goggles, and protective clothing when handling. Storage should be in a cool, dry place, away from acids and moisture. Containers must be tightly sealed to prevent absorption of atmospheric CO2, which can reduce its effectiveness.
B2B Procurement Guide
When procuring small-pack sodium hydroxide, verify the supplier’s reliability and compliance with safety standards. Packaging integrity is crucial to prevent exposure to moisture and CO2. Prices fluctuate based on market demand and purity levels. Bulk purchases may offer cost savings, but ensure proper storage facilities are available. Always request Material Safety Data Sheets (MSDS) to comply with workplace safety regulations.
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