Understanding GHS Pictograms
GHS pictograms are standardized hazard symbols used worldwide to communicate chemical dangers. Each pictogram is a red diamond-shaped border (rotated square) with a white background containing a black symbol. Learning to recognize these symbols is essential for every worker who handles hazardous chemicals.
Under OSHA's Hazard Communication Standard (29 CFR 1910.1200), pictograms must appear on:
Quick Reference: All 9 Pictograms at a Glance
| Pictogram | Code | Name | Primary Hazard |
|-----------|------|------|---------------|
| 💥 | GHS01 | Exploding Bomb | Explosives, self-reactives |
| 🔥 | GHS02 | Flame | Flammable materials |
| ⭕ | GHS03 | Flame Over Circle | Oxidizers |
| 🔵 | GHS04 | Gas Cylinder | Compressed gases |
| ⚗️ | GHS05 | Corrosion | Corrosive materials |
| ☠️ | GHS06 | Skull & Crossbones | Acute toxicity (fatal/toxic) |
| ❗ | GHS07 | Exclamation Mark | Irritant, sensitizer, harmful |
| 🫁 | GHS08 | Health Hazard | Chronic health effects |
| 🐟 | GHS09 | Environment | Aquatic toxicity |
GHS01: Exploding Bomb 💥
Hazard categories:
Common construction chemicals: Certain adhesive primers, blasting agents, power-actuated tool cartridges
Required precautions:
Training emphasis: Workers must understand that self-reactive substances can decompose explosively even without an external ignition source if exposed to heat or contamination.