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When sourcing Oxalic Acid [H₂C₂O₄] through a laboratory chemical supplier like Ibex Sciences, a 250 Gram container represents a bulk laboratory pack size.
Oxalic acid is a naturally occurring dicarboxylic acid that appears as a white, odorless crystalline powder. In laboratory and industrial settings, it is valued as a strong organic acid with potent reducing (antioxidant) and chelating properties. [1, 2, 3, 4, 5]
2. Primary Laboratory and Industrial Applications
A 2500-gram volume is generally procured for ongoing routine testing, chemical synthesis, or specialized cleaning protocols:
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- Analytical Chemistry (Titration): Because the dihydrate form can be obtained in high purity and remains stable under ambient conditions, it is widely used as a primary standard for calibrating basic solutions (like Sodium Hydroxide) in acid-base titrations. [1, 2]
- Chelating and Rust Removal: It acts as an exceptional chelating agent, binding strongly to metal ions (especially Iron). In industrial and laboratory maintenance, it is used to remove heavy rust, scale, and iron stains from equipment. [1, 2, 3, 4, 5]
- Organic Synthesis: Used as a reagent or catalyst in the manufacturing of dyes, plastics, pharmaceuticals, and other chemical intermediates.
- Textile and Wood Treatment: Applied in bulk for bleaching wood surfaces and fixing dyes within fabric fibers. [1]
3. Safety, Hazards, and Handling Guidelines
While not as restricted as lead or barium compounds, oxalic acid still carries significant health risks that require proper hazard controls: [1, 2]
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- Corrosive Nature: It is corrosive to eyes and skin. Direct contact can cause severe burns, and inhaling the dust will heavily irritate the respiratory tract. [1, 2, 3]
- Systemic Toxicity: If absorbed or ingested, oxalic acid reacts with calcium in the body to form insoluble calcium oxalate crystals. This can cause severe hypocalcemia and acute kidney damage or failure. [1, 2, 3, 4]
- Required PPE: Always handle the powder in a well-ventilated area or chemical fume hood. Wear standard safety goggles, nitrile gloves, a lab coat, and closed-toe shoes. [1, 2]
- Storage: Store the 2.5 kg container in a cool, dry, well-ventilated dedicated chemical storage area. Keep it tightly sealed to prevent the dihydrate form from losing its crystalline water or clumping due to ambient humidity. [1, 2]
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