Chemical Name |
Physical |
Chemical |
UN Class or Division / Subsidiary Risks |
1,4-BUTANEDIOL |
On combustion, forms toxic fumes (CO) • Reacts with strong oxidants |
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1,6-HEXANEDIOL |
Dust explosion possible if in powder or granular form, mixed with air |
On combustion, forms toxic gases |
|
DIETHYLENE GLYCOL |
Reacts violently with strong oxidants • Attacks many plastics |
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ETHYLENE GLYCOL |
On combustion, forms toxic gases • Reacts with strong oxidants and strong bases |
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HEXYLENE GLYCOL |
The substance polymerizes • Reacts with strong oxidants |
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PROPYLENE GLYCOL |
The vapour is heavier than air |
Reacts with strong oxidants, eg, potassium perchlorate, causing fire and explosion hazard |
For UN Class: 1.5 = very insensitive substances which have a mass explosion hazard; 2.1 = flammable gas; 2.3 = toxic gas; 3 = flammable liquid; 4.1 = flammable solid; 4.2 = substance liable to spontaneous combustion; 4.3 = substance which in contact with water emits flammable gases; 5.1 = oxidizing substance; 6.1 = toxic; 7 = radioactive; 8 = corrosive substance