Class 4.3 - Substances which, in contact with water, emit flammable gases
The heading of Class 4.3 covers substances which react with water to emit flammable gases liable to form explosive mixtures with air, and articles containing such substances.
| W |
Substances which, in contact with water, emit flammable gases, without subsidiary risk, and articles containing such substances:
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| WF1 | Substances which, in contact with water, emit flammable gases, liquid, flammable; | ||||||
| WF2 | Substances which, in contact with water, emit flammable gases, solid, flammable; | ||||||
| WS | Substances which, in contact with water, emit flammable gases, solid, self-heating; | ||||||
| WO | Substances which, in contact with water, emit flammable gases, oxidizing, solid; | ||||||
| WT |
Substances which, in contact with water, emit flammable gases, toxic:
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| WC |
Substances which, in contact with water, emit flammable gases, corrosive:
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| WFC | Substances which, in contact with water, emit flammable gases, flammable, corrosive. |