The catch-all for significant but lower-severity health hazards: harmful if swallowed/inhaled/on skin (acute category 4), skin and eye irritation, skin allergy, airway irritation, or drowsiness and dizziness.
This is the official UN GHS artwork — public domain, free to reuse in training decks, wall posters, workplace signs, and labels.
Download SVG (vector)Download PNG (2048 px)
On a printed label the symbol must sit in the red diamond frame, point-up, as shown — the frame is part of the pictogram.
Precedence rules. The exclamation mark is the polite one — it steps aside when a stronger symbol covers the same ground:
Reference information, not legal or professional advice. Statement texts and allocations follow 29 CFR 1910.1200 Appendix C (the GHS as adopted by OSHA HazCom 2024) as implemented by our classification engine; the regulatory text and agency practice control. Claims last reviewed July 23, 2026.
When SDS HQ authors an SDS, it assigns the hazard statements, signal word, pictograms, and precautionary statements from these same tables — automatically, with the calculation shown.