Overview
In a busy research lab, the absence of clear, standardized labels presents significant risks to sample integrity and personnel safety. Proper documentation of every container ensures that chemicals can be identified correctly, regardless of who is working in the lab.
Consistency in labelling reduces the likelihood of handling errors, improves the tracking of substance aging, and is essential for meeting regulatory safety requirements in the research setting.
Key Concepts
Identification Data
Every label must include the full chemical name or common research code. Abbreviations should be avoided unless clearly documented in a master lab log to prevent confusion between similar substances.
Hazard Communication
Labels must reflect current GHS (Globally Harmonized System) hazard classifications. This includes appropriate pictograms and signal words such as 'Danger' or 'Warning' to alert researchers to potential toxicity or reactivity.
Date and Responsibility
Include the date of preparation or arrival, the date of opening, and the initials of the researcher responsible. This tracking helps prioritize the use of older stocks and ensures accountability for reagent quality.
Concentration and Solvent
If a substance is in a solution, the label must clearly state the concentration, the solvent used, and any buffers or additives. Precision here is key for ensuring reproducibility across experimental trials.
Practical Application
Adopt a uniform labelling template using solvent-resistant pens or specialized laboratory printers. Labels should be resistant to common reagents, moisture, and temperature extremes often encountered in the lab setting.
Regularly audit storage areas to remove expired or poorly identified materials. When transferring substances between containers, immediately label the new container to prevent the existence of 'mystery substances' in the workspace.
Sources
- OSHA Hazard Communication Standard (29 CFR 1910.1200)
- Globally Harmonized System of Classification and Labelling of Chemicals (GHS)
- NIH Laboratory Safety Guidelines
Disclaimer: This content is for laboratory research use only. Not for human use or clinical applications.

