What color is commonly associated with nitrogen in industry?

The color commonly associated with nitrogen in industry is blue. This is an established color code used in various sectors, including laboratories, aerospace, and gas distribution systems, to help identify gases and their properties quickly and easily. The blue color for nitrogen helps to avoid confusion with other gases, as each industrial gas often has a designated color that standardizes safety protocols and ensures proper handling.

In contrast, the other colors mentioned are typically associated with different gases: white is often linked to carbon dioxide, green is frequently used for oxygen, and red is commonly designated for flammable gases. Therefore, understanding these color codes is essential for ensuring safety and effective communication in environments where various gases are used and stored.