Chemical Name |
Physical |
Chemical |
UN Class or Division / Subsidiary Risks |
BENZOTRIFLUORIDE |
3 |
||
BROMOTRIFLUOROMETHANE |
The vapour is heavier than air and may accumulate in low ceiling spaces causing deficiency of oxygen |
The substance decomposes on heating producing hydrogen bromide, hydrogen fluoride • The substance is a strong reducing agent and reacts with oxidants • Reacts with strong oxidants, aluminium |
2.2 |
CHLORODIFLUOROBROMOMETHANE |
The gas is heavier than air and may accumulate in low ceiling spaces causing deficiency of oxygen |
The substance decomposes on contact with open flames or very hot surfaces, producing toxic gases |
2.2 |
1,1,1-CHLORODIFLUOROETHANE |
2.1 |
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CHLORODIFLUOROMETHANE |
The gas is heavier than air and may accumulate in low ceiling spaces causing deficiency of oxygen |
On contact with hot surfaces or flames this substance decomposes forming corrosive and very toxic fumes (hydrogen chloride, phosgene, chlorine, hydrogen fluoride) • Reacts violently with powdered metals such as aluminium and zinc, causing fire and explosion hazard • Attacks magnesium and its alloys |
2.2 |
CHLOROPENTAFLUOROETHANE |
The vapour is heavier than air and may accumulate in low ceiling spaces causing deficiency of oxygen |
The substance decomposes on heating producing hydrogen chloride, hydrogen fluoride • Reacts with strong oxidants |
2.2 |
CHLOROTRIFLUOROMETHANE |
On contact with hot surfaces or flames this substance decomposes forming HCl, HF, Carbonyl halides • The substance decomposes in a fire or on contact with certain metals producing toxic products |
2.2 |
|
DICHLORODIFLUOROMETHANE |
The gas is heavier than air and may accumulate in low ceiling spaces causing deficiency of oxygen |
On contact with hot surfaces or flames this substance decomposes forming corrosive and very toxic fumes (hydrogen chloride, phosgene, chlorine, hydrogen fluoride) • Reacts violently with metals such as calcium, magnesium, potassium, sodium, zinc and powdered aluminium • Attacks magnesium and its alloys |
2.2 |
DICHLOROFLUOROMETHANE |
The gas is heavier than air |
The substance decomposes on heating producing corrosive and highly toxic fumes (hydrogen chloride, hydrogen fluoride, and phosgene) • Reacts violently with chemically active metals • Reacts with acids or acid fumes producing highly toxic fumes (chlorine, fluorine) • Attacks some forms of plastics, rubber and coatings |
2.2 |
DICHLOROTETRAFLUOROETHANE |
2.2 |
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DIFLUORODIBROMOMETHANE |
9 |
||
1,1-DIFLUOROETHANE |
2.1 |
||
ENFLURANE |
The substance decomposes on heating or on burning producing toxic and corrosive fumes (hydrogen chloride, hydrogen fluoride, phosgene) |
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HEXAFLUOROACETONE |
2.3/ 8 |
||
1,1,2,2-TETRACHLORO-1,2-DIFLUOROETHANE 76-12-0 |
2.2 |
||
1,1,1,2-TETRACHLORO-2,2-DIFLUOROETHANE |
2.2 |
||
TETRAFLUOROMETHANE |
The gas is heavier than air and may accumulate in low ceiling spaces causing deficiency of oxygen |
On contact with hot surfaces or flames this substance decomposes forming hydrofluoric acid |
2.2 |
1,1,2-TRICHLORO-1,2,2-TRIFLUOROETHANE |
The vapour is heavier than air and may accumulate in low ceiling spaces causing deficiency of oxygen |
On contact with hot surfaces or flames this substance decomposes forming corrosive and very toxic fumes (carbonylfluoride, hydrogen chloride, phosgene, chlorine, hydrogen fluoride) • Reacts violently with calcium, potassium, sodium and powdered metals such as aluminium, beryllium, magnesium and zinc, causing fire and explosion hazard • Attacks alloys containing more than 2% magnesium |
|
TRICHLOROFLUOROMETHANE |
The gas is heavier than air • The vapour is heavier than air and may accumulate in low ceiling spaces causing deficiency of oxygen |
On contact with hot surfaces or flames this substance decomposes forming corrosive and very toxic fumes (hydrogen chloride, phosgene, chlorine, hydrogen fluoride) • Reacts violently with metals and various powdered metals, such as aluminium, barium, calcium, magnesium and sodium |
|
TRIFLUOROMETHANE |
2.2 |
||
VINYL FLUORIDE |
2.1 |
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VINYLIDENE FLUORIDE |
The gas is heavier than air and may travel along the ground; distant ignition possible, and may accumulate in low ceiling spaces causing deficiency of oxygen • As a result of flow, agitation, etc, electrostatic charges can be generated |
The substance can form explosive peroxides • The substance can polymerize with fire or explosion hazard • Heating may cause violent combustion or explosion • The substance decomposes on burning producing hydrogen fluoride • Reacts violently with oxidants and hydrogen chloride |
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