Bulk reagents are chemical substances used in large quantities for various industrial and laboratory applications. They come in different grades, including Laboratory Reagent (LR), Analytical Reagent (AR), and American Chemical Society (ACS) grades, ensuring the purity and quality needed for specific uses. These reagents are essential for manufacturing, research, and development activities across sectors such as pharmaceuticals, biotechnology, chemical production, and the food industry, ensuring the consistency and reliability needed for efficient and effective operations.