If we are talking about chemical placements, many labs still keep their chemicals together alphabetically, or simply on whichever shelf has space, but this might turn into chemical hazard. That is why chemical storage plays a critical role in maintaining safety and preventing accidents. Separating chemicals by type such as acids, flammables, and hazardous materials may seem like extra work at first, but it significantly reduces risk and enhances overall lab safety.
To avoid a hazard in the lab, every lab should have a guideline to establish safety to prevent dangerous reactions when chemicals interact unintentionally. Quoting from Louisiana State University states that there must be a dedicated storage cabinet such as acid cabinets for corrosive liquids and flammable storage cabinets for solvents and combustible liquids. These cabinets are designed to isolate hazard classes from each other, reducing exposure to ignition sources or unintentional mixing. Also, the help of secondary containment for avoiding spills and preventing incompatible chemicals from contacting each other might help to reduce the potential of hazards (Chemical Storage – EHS, 2019).
So, what should we do?
For someone who organizing the lab, Massachusetts Institute of Technology (MIT) EHS recommends storing chemicals in separate cabinets based on compatibility such as acids, flammables, hazardous, etc (Read to Know: The difference between each cabinet storage). These cabinets are separated due to avoid some contamination and chemical reaction between those chemical insides it. This example demonstrates that proper storage practices are not optional; it is essential for safe lab operations.
According to Louisiana State University there are a few reasons for separating chemical contents for storage are rooted in chemical reactivity, hazard prevention, and safety engineering:
- Prevent Dangerous Reactions
- Reduce Fire Hazards
- Minimize Contamination
- Improve Emergency Response
Storing chemicals by compatibility and hazard class such as in separate acid cabinets, flammable storage cabinets, and other hazard-specific areas is essential to prevent fires, toxic releases, reactions, and other serious risks.
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Source:
Chemical Storage – EHS. (2019). Mit.edu. https://ehs.mit.edu/chemical-safety-program/chemical-storage/?
Chemical Storage and Management. (2025). Lsu.edu. https://www.lsu.edu/ehs/safety/research/chemical-safeties/chemical-storage-and-management.php?