Product Description
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Merck Chemicals (Shanghai) Co., Ltd. is the subsidiary of the globally operating group Merck KGaA, Darmstadt (Germany) and provides Chinese market with high quality life science and chemical products and services
The contact persons for the specific product groups of the Chemicals businesses are listed on the website of Merck Group in China.
AI Product Description
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Nitric acid 69% is a highly concentrated, colorless to pale yellow inorganic liquid belonging to the class of strong mineral acids. Widely utilized across diverse industrial sectors, its primary applications include the manufacturing of fertilizers such as ammonium nitrate, which are critical for global agriculture. In the chemical industry, it serves as a vital reagent for producing various nitrogen-containing compounds, including dyes, pigments, and explosives like TNT and nitroglycerin. Additionally, this concentration is frequently employed in metal processing for pickling stainless steel and other alloys to remove surface impurities and oxides before further treatment. It also plays a significant role in the synthesis of pharmaceuticals and organic intermediates through nitration reactions, where it introduces nitro groups into organic molecules.
Handling Nitric acid 69% requires strict adherence to safety protocols due to its extreme corrosivity and oxidizing properties. The substance causes severe burns upon contact with skin, eyes, or respiratory mucosa. Inhalation of its vapors can lead to serious lung damage, while ingestion may result in fatal internal injuries. As a potent oxidizer, it reacts violently with combustible materials, reducing agents, and organic substances, potentially causing fires or explosions. Storage must be conducted in cool, well-ventilated areas within corrosion-resistant containers made of glass, specific plastics, or lined steel, away from incompatible chemicals. Personal protective equipment (PPE), including acid-resistant gloves, face shields, goggles, and aprons, is mandatory during all handling procedures. In case of spills, neutralization with weak bases like sodium bicarbonate should be performed carefully, followed by thorough cleanup with water. Emergency responders must be trained to manage leaks without generating hazardous fumes. Due to its instability under heat or light, exposure to direct sunlight should be minimized to prevent decomposition into toxic nitrogen dioxide gas. Proper labeling, segregation, and disposal according to local environmental regulations are essential to ensure workplace safety and ecological protection. Always consult the Safety Data Sheet (SDS) for detailed operational guidelines specific to your facility.