Aged Chemical Hazards
| Chemical/Class | Hazards | Cause of Change | New Hazards |
|---|---|---|---|
| Divinyl acetatea | Flammable Explosive | Reacts with air to form peroxides | Explosive |
| Dioxaneb | Flammable Health | React with air to form peroxides | Severe explosives |
| Hydrogen peroxidea | Oxidizer Health | Decomposed by heat and light to hydrogen and oxygen |
Flammable |
| Isopropyl ethera | Flammable Health | Reacts with air to form peroxides | Severe explosive |
| Perchloric acida | Corrosive Oxidizer | Vapors condense on cool surfaces and react with organic materials to form shock-sensitive explosives (detonation could be caused by raising a hood door) | Explosive |
| Potassium metala | Pyrophoric Water-reactive when cut | Reacts with air to form peroxides | Explosive when cut |
| Sodium amidea | Flammable Health | Reacts with air to form peroxides | Explosive |
| Vinylidene chloridea | Extremely Flammable Health Reactive |
Reacts with air to form peroxides; peroxides initiate polymerization | Explosive |
| Aldehydesa,b | Flammable Health | Water contamination in product over one year old produces alcohols and acids | Flammable Corrosive |
| Ethersab | Flammable | Reacts with air to form peroxides | Explosive |
| Ethoxy compoundsa,b | Flammable Various | Reacts with air to form peroxides | Explosive |
| Acetalb | Flammable Health | ||
| Acrylic acidb | Health Reactive Combustible | Reacts with air to form peroxides; peroxides initiate polymerization | Explosive |
| Tetrafuoroethyleneb | Health Reactive | Reacts with air to form peroxides | Explosive |
| Tetrahydrofuranb | Flammable Health | Reacts with air to form peroxides | Explosive |
| Tetrahydronaphtaleneb | Combustible | Reacts with air to form peroxides | Explosive |
| Vinyl acetateb | Flammable Health Reactive | Reacts with air to form peroxides; peroxides initiate polymerization | Explosive |
| Vinyl chlorideb | Flammable Health | Reacts with air to form peroxides; peroxides initiate polymerization | Explosive |
| Vinyl ethersb | Flammable Health Reactive | Reacts with air to form peroxides; peroxides initiate polymerization | Explosive |
| Vinyl ethersb | Flammable Health Reactive | Reacts with air to form peroxides; peroxides initiate polymerization | Explosive |
| Vinyl pyridineb | Health | Reacts with air to form peroxides; peroxides initiate polymerization | Explosive |
| aDiscard after 3 months | |||
| bDiscard after 1 year |