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Hazard Communication Pictograms & Labels

OSHA's revised nazard communication standard | Here's what you need to know!

Are you familiar with the hazard symbols used to classify and label chemicals under OSHA’s revised Hazard Communication Standard? Use this reference to help identify the pictograms, labels and images, and understand what they mean. Appearing individually or in combinations, they define specific hazards to help you work safely around hazardous chemicals.

Health Hazard Symbol

Flame Hazard Symbol

Exclamation Mark Hazard Symbol


Health Hazard
Reproductive Toxicity
Respiratory Sensitizer
Target Organ Toxicity
Aspiration Toxicity

Emits Flammable Gas
Organic Peroxides

Exclamation Mark
Irritant (skin and eye)
Skin Sensitizer
Acute Toxicity
Narcotic Effects
Respiratory Tract Irritant
Hazardous to Ozone Layer


Gas Cylinder Hazard Symbol

Corrosion Hazard Symbol

Exploding Bomb Hazard Symbol


Gas Cylinder
Gases Under Pressure

Emits Flammable Gas
Organic Peroxides

Exploding Bomb
Organic Peroxides


Flame over Circle Hazard Symbol

Environment Hazard Symbol

Skull and Crossbones Hazard Symbol


Flame Over Circle

Aquatic Toxicity

Skull and Crossbones
Acute Toxicity
(fatal or toxic)


This illustration identifies the components of a compliant label on a shipped container. Actual label design and layout may vary.


Product Identifier
Must match the product identifier used on the Safety Data Sheets.

Signal Word
Indicates the relative level of the hazard’s severity. “Danger” and “Warning” are the two signal words.

Graphics intended to convey specific hazard information.


Illustration identifies the components of a GHS label

Hazard Statements
A phrase assigned to a hazard class and category that describes the nature of the product hazards.

Supplier Identification
The name, address and telephone number of the manufacturer or supplier.

Precautionary Statements
Describes recommended measures to minimize or prevent adverse effects resulting from exposure.


(GHS icon) 1.410.5.4.1 Location of Information on the Label. The hazard pictograms, signal word and hazard statements must be grouped together on the shipped container label and NOT separated on the container or outside packaging.

For more information on this and other hazard communication related issues, click here.