Caustic soda pearls 99%
Certificate of Analysis
Product: CAUSTIC SODA pearls 99%
QTY:500MT
Batch No.: SSICCS20230618
Production Date：20230618
| Item | Specification | Result |
| APPEARANCE | WHITE | White |
| NAOH | 99% MIN | 99.2% |
| NACL | 0.15%max | 0.08% |
| NA2CO3 | 0.9%max | 0.3% |
| FE2O3 | 0.007%max | 0.002% |
| Test Result | Pass test | |
Caustic soda (sodium hydroxide, chemical formula NaOH), commonly known as lye or caustic soda, is a highly alkaline inorganic compound. At room temperature, it appears as a white solid (in flakes, pearls, or powder form) and readily dissolves in water, releasing significant heat. As a fundamental chemical raw material, NaOH plays a critical role across multiple industries:
Key Industrial Applications
- Pulp & Paper Industry: Used in the Kraft process to break down lignin and separate cellulose fibers.
- Chemical Manufacturing: Essential in soap and detergent production, synthetic dye synthesis, and acid neutralization in petroleum refining.
- Water Treatment: Adjusts pH levels, neutralizes acidic wastewater, and removes heavy metal ions.
- Textile Industry: Employed in mercerizing cotton to enhance fabric strength and dye absorption.
- Food Processing (Food-Grade NaOH): Used in olive curing, cocoa processing, and sanitation of food equipment.
Safety Precautions
Sodium hydroxide is highly corrosive and can cause severe burns upon contact with skin or eyes. Proper handling requires protective gear (gloves, goggles) and storage in a dry, ventilated area. Avoid contact with acids or reactive metals (e.g., aluminum) to prevent hazardous reactions.
With global production exceeding 80 million tons annually, NaOH supply and pricing significantly impact the chemical, environmental, and energy sectors. Buyers should select industrial-grade (96%-99% purity) or food-grade NaOH based on intended use and comply with regional safety and transportation regulations.
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