Toolbox Talk

GHS Labels and Signal Words

Since HazCom aligned with the Globally Harmonized System (GHS), every hazardous chemical container from the manufacturer carries a standard label. Same six pieces of information, same layout, every time — so you can read a drum from a supplier you've never dealt with and know what you're holding.

The Six Label Elements

A manufacturer's GHS label under 1910.1200(f) must have all six of these:

Product identifier — the chemical or product name, matching the SDS.
Signal word — either "Danger" or "Warning".
Hazard statements — plain phrases describing the hazard, like "Causes serious eye damage" or "Highly flammable liquid and vapor".
Pictograms — the red-diamond symbols (see The Nine GHS Pictograms).
Precautionary statements — what to do about it: prevention, response, storage, disposal.
Supplier information — name, address, and phone number of the manufacturer or importer.

Danger vs. Warning

The signal word tells you how bad it is at a glance. There are only two, and they are not interchangeable:

"Danger" — the more severe hazard. Higher chance of serious injury or death.
"Warning" — the less severe hazard in that class.

A container never carries both. If a chemical earns "Danger" for one hazard and "Warning" for another, only "Danger" goes on the label. So when you see "Danger," treat it as the real thing.

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