What two pieces of information are used to identify dangerous goods?

• A. UN# and Proper Shipping Name
• B. Barcode and lot number
• C. Brand and color
• D. Safety Data Sheet and manufacturer

Answer: (A)

In dangerous goods transport, the UN number paired with the Proper Shipping Name uniquely identifies the substance for regulatory purposes. The UN number is a standardized four-digit code that specifies the material and its hazard class, while the Proper Shipping Name is the official, standardized name used on shipping papers and packaging. Together, they ensure consistent classification, labeling, packaging, and emergency response across all jurisdictions and transport modes.

Other identifiers like barcodes and lot numbers are for internal tracking and inventory, not for regulatory identification of the dangerous goods. Brand and color lack standardized meaning for transport identification, and Safety Data Sheets or the manufacturer provide safety information rather than the specific transport identification of the item.