Chemical Name |
Physical |
Chemical |
UN Class or Division / Subsidiary Risks |
BROMOFORM |
The substance decomposes on heating producing toxic and corrosive fumes including hydrogen bromide and bromine • The substance is a strong acid, it reacts violently with bases and is corrosive to most metals • The substance is a medium strong acid • Substance is a weak acid • Reacts violently with oxidants, bases in powdered form and is corrosive to most metals • Reacts with alkaline metals, powdered aluminium, zinc and magnesium and acetone under basic conditions, causing fire and explosion hazard • Attacks some forms of plastic, rubber and coating • Incompatible with sodium, potassium, calcium, powdered aluminium, zinc, magnesium, strong caustics, sodium potassium alloy, acetone and potassium hydroxide |
6.1 |
|
CARBON TETRABROMIDE |
The substance decomposes in a flame or on a hot surface, forming toxic gases (bromine) • Explodes on impact when mixed with lithium |
6.1 |
|
CARBON TETRACHLORIDE |
The vapour is heavier than air |
On contact with hot surfaces or flames this substance decomposes forming toxic and irritating fumes (hydrogen chloride, chlorine, phosgene) • Reacts violently with some metals such as aluminium, barium, magnesium, potassium, sodium, with fluorine and other substances, causing fire and explosion hazard • Attacks copper, lead and zinc |
6.1 |
CHLOROBROMOMETHANE |
The substance decomposes on heating producing hydrogen chloride, chlorine, phosgene, hydrogen bromide • Reacts with oxidants • Reacts with steel, aluminium, magnesium and zinc unless inhibited |
6.1 |
|
1-CHLORO-3-BROMOPROPANE |
6.1 |
||
1-CHLOROBUTANE |
3 |
||
CHLOROFORM |
The vapour is heavier than air |
On contact with hot surfaces or flames this substance decomposes forming irritating and toxic fumes (hydrogen chloride, phosgene, chlorine) • The substance decomposes slowly under influence of air and light • Reacts violently with strong bases, strong oxidants, some metals, such as aluminium, lithium, magnesium, potassium, sodium and acetone, causing fire and explosion hazard • Attacks plastic, rubber and coatings |
6.1 |
1,2-DIBROMO-3-CHLOROPROPANE |
The vapour is heavier than air and may travel along the ground; distant ignition possible |
The substance decomposes on heating above the boiling point and on burning producing toxic fumes (hydrogen bromide, hydrogen chloride, carbon monoxide) • Reacts with aluminium, magnesium, tin and their alloys in presence of water • Reacts on contact with alkali producing 2-bromoallylalcohol • Attacks some forms of rubber and coatings |
6.1 |
DIBROMOETHANE |
The vapour is heavier than air |
On contact with hot surfaces or flames this substance decomposes forming irritant fumes (hydrogen bromide) • The substance decomposes on heating producing irritant fumes (hydrogen bromide) |
6.1 |
1,1-DICHLOROETHANE |
The vapour is heavier than air and may travel along the ground; distant ignition possible |
The substance decomposes on heating and on burning producing toxic and corrosive fumes including phosgene and hydrogen chloride • Reacts violently with strong oxidants, alkali metals and earth-alkali metals, powdered metals, causing fire and explosion hazard • Attacks aluminium, iron and polyethylene • Contact with strong caustic will cause formation of flammable and toxic acetaldehyde gas |
3 |
1,1-DICHLORO-PROPANE |
The vapour is heavier than air and may travel along the ground; distant ignition possible |
The substance decomposes on heating producing hydrogen chloride • Reacts with strong oxidants and strong bases |
|
1,3-DICHLOROPROPANE |
The vapour is heavier than air and may travel along the ground; distant ignition possible |
The substance decomposes on heating producing hydrogen chloride and phosgene • Reacts with oxidants, acids, bases, and alumina |
|
ETHYL CHLORIDE |
The gas is heavier than air and may travel along the ground; distant ignition possible |
The substance decomposes on heating or on burning producing toxic gases (hydrogen chloride, phosgene) • Reacts violently with oxidants, alkaline metals, calcium, magnesium, aluminum powder, and zinc • Reacts with water or steam producing corrosive fumes of hydrogen chloride |
2.1 |
ETHYL IODIDE |
The vapour is heavier than air |
On combustion, forms carbon monoxide, iodine and hydrogen iodide • The substance decomposes on burning producing iodine and hydrogen iodide • Reacts with oxidants • Reacts violently with silver chlorite causing fire and explosion hazard |
|
ETHYLENE DIBROMIDE |
6.1 |
||
ETHYLENE DICHLORIDE |
3/6.1 |
||
HEPTACHLOR |
The substance decomposes on heating producing toxic fumes: chlorine, hydrogen chloride • Reacts with strong oxidants |
||
HEXACHLOROCYCLOHEXANE |
The substance decomposes on heating or on burning producing highly toxic fumes (phosgene, chlorine and hydrogen chloride), and on contact with alkalis • Dehydrochlorination at room temperaure; dehydrochlorination when heated producing pentachlorocyclohexane and trichlorobenzenes |
||
a-HEXACHLOROCYCLOHEXANE |
The substance decomposes on heating or on burning producing toxic fumes (phosgene, hydrogen chloride) • Reacts violently with dimethylformamide in the presence of iron |
||
b-HEXACHLOROCYCLOHEXANE |
The substance decomposes on heating or on burning producing toxic fumes (phosgene, hydrogen chloride) |
||
HEXACHLOROETHANE |
The substance decomposes on heating above 300 °C producing toxic and corrosive fumes, phosgene and hydrogen chloride • Reacts violently with zinc, aluminium powder and sodium • Attacks iron in the presence of moisture |
||
2-CHLOROPROPANE |
3 |
||
ISOPROPYL CHLOROFORMATE |
6.1/ 3/ 8 |
||
METHYL BROMIDE |
The gas is heavier than air, and may travel along the ground; distant ignition possible |
Upon heating, toxic fumes are formed • Reacts with strong oxidants, aluminium and rubber |
2.3 |
METHYL CHLORIDE |
The gas is heavier than air and may travel along the ground; distant ignition possible |
The substance decomposes on burning forming hydrogen chloride and phosgene, and on contact with oxidzing material, amides, amines, and aluminium producing hydrogen chloride and phosgene • The substance is a strong oxidant and reacts with combustible and reducing materials • The substance is a strong reducing agent and reacts with oxidants |
2.1 |
METHYL IODIDE |
6.1 |
||
METHYLENE CHLORIDE |
The vapour is heavier than air • As a result of flow, agitation, etc, electrostatic charges can be generated |
On contact with hot surfaces or flames this substance decomposes forming toxic and corrosive fumes • Reacts violently with metals such as aluminium, magnesium, sodium, potassium, lithium, strong bases and oxidants, causing fire and explosion hazard • Attacks some forms of plastics, rubber and coatings |
6.1 |
PENTACHLOROETHANE |
6.1 |
||
1,1,1,2-TETRACHLOROETHANE |
6.1 |
||
1,1,2,2-TETRACHLOROETHANE |
6.1 |
||
1,1,1-TRICHLOROETHANE |
6.1 |
||
1,2,3-TRICHLOROPROPANE |
The gas is heavier than air • The vapour is heavier than air |
The substance decomposes on heating producing toxic fumes of chlorine and phosgene • Reacts violently with metals • Incompatible with active metals, strong caustics, strong oxidizers |
|
1,2-DICHLOROPROPANE |
The vapour is heavier than air and may travel along the ground; distant ignition possible |
On combustion, forms toxic and corrosive fumes and gases (hydrogen chloride and phosgene) • Reacts violently with strong oxidants, acids, and bases, causing fire and explosion hazard • Corrosive to aluminum alloys |
3 |
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