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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Ammonium sulfate, chemically known as (NH₄)₂SO₄, is a versatile inorganic salt widely utilized across diverse industrial and agricultural sectors. As the most common form of sulfur fertilizer, it plays a critical role in modern agriculture by supplying two essential plant nutrients: nitrogen and sulfur. It is particularly beneficial for crops grown in alkaline soils, as its acidic nature helps lower soil pH over time, thereby improving nutrient availability. Unlike other nitrogen sources, ammonium sulfate does not volatilize easily, ensuring efficient nutrient retention in the root zone.
Beyond agriculture, this compound serves as a vital reagent in the pharmaceutical and food industries. In protein purification, it is extensively used for "salting out" techniques to precipitate proteins from solution based on their solubility differences. The food industry employs it as a dough conditioner in baking, where it strengthens gluten networks and improves yeast activity, resulting in better loaf volume and texture. Additionally, it finds applications in fire retardants, textile dyeing processes, and the manufacturing of fertilizers for specific crop requirements.
Safety precautions are paramount when handling ammonium sulfate. While generally stable under normal conditions, it should be stored in a cool, dry, well-ventilated area away from strong oxidizing agents, alkalis, and incompatible chemicals like chlorine or nitric acid to prevent hazardous reactions. When mixed with moisture, it can release ammonia gas, which is irritating to the respiratory system. Direct contact with skin or eyes may cause irritation, necessitating the use of personal protective equipment such as gloves, safety goggles, and dust masks during handling. In case of ingestion or significant exposure, immediate medical attention is required. Proper ventilation in storage and usage areas is essential to minimize inhalation risks associated with dust generation. Overall, while ammonium sulfate is an indispensable resource for global food security and industrial chemistry, responsible management and adherence to safety protocols ensure its safe and effective application.