GHSAerosols Reclassified Under HCS 2024: Why There's Now a Category 3 (Non-Flammable)
HCS 2024 turned the old flammable-aerosol category into a full Aerosols hazard class (Appendix B.3) with three categories — including a brand-new non-flammable Category 3 that carries a signal word and a hazard statement but no pictogram at all.