Which of the following is NOT a component of proper labeling when transferring chemicals?

Proper labeling when transferring chemicals is essential to ensure safety and compliance with regulatory standards. One key component of labeling is to provide clear instructions for use. This ensures that anyone handling the chemical understands how to utilize it properly and safely, minimizing the risk of accidents or misuse. Additionally, handling warnings are crucial as they inform users of any potential dangers associated with the chemical, guiding them on how to mitigate risks. A description of toxins is also important because it informs users of the specific hazards that the chemical may pose to health, helping them to take appropriate precautions.

Container weight, while useful information in some contexts, is not a fundamental aspect of chemical labeling. It does not contribute to the safe handling or understanding of the chemical itself in terms of usage or hazards. Therefore, it is not deemed a necessary component for labeling during the transfer process. Focusing on correct labeling practices enhances safety in environments where chemicals are used, ensuring that all personnel are informed about the materials they are working with.