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Sunday, 07 August 2011 07:08

Halogenated Saturated Hydrocarbons: Physical & Chemical Hazards

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Chemical Name
CAS-Number

Physical

Chemical

UN Class or Division /  Subsidiary Risks

BROMOFORM
75-25-2

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
558-13-4

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
56-23-5

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
74-97-5

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
109-70-6

6.1

1-CHLOROBUTANE
109-69-3

3

CHLOROFORM
67-66-3

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
96-12-8

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
74-95-3

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
75-34-3

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
78-99-9

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
142-28-9

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
75-00-3

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
75-03-6

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
106-93-4

6.1

ETHYLENE DICHLORIDE
107-06-2

3/6.1

HEPTACHLOR
76-44-8

The substance decomposes on heating producing toxic fumes: chlorine, hydrogen chloride • Reacts with strong oxidants

HEXACHLOROCYCLOHEXANE
608-73-1

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
319-84-6

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
319-85-7

The substance decomposes on heating or on burning producing toxic fumes (phosgene, hydrogen chloride)

HEXACHLOROETHANE
67-72-1

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
75-29-6

3

ISOPROPYL CHLOROFORMATE
108-23-6

6.1/ 3/ 8

METHYL BROMIDE
74-83-9

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
74-87-3

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
74-88-4

6.1

METHYLENE CHLORIDE
75-09-2

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
76-01-7

6.1

1,1,1,2-TETRACHLOROETHANE
630-20-6

6.1

1,1,2,2-TETRACHLOROETHANE
79-34-5

6.1

1,1,1-TRICHLOROETHANE
71-55-6

6.1

1,2,3-TRICHLOROPROPANE
96-18-4

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
78-87-5

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

 

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Contents

Preface
Part I. The Body
Part II. Health Care
Part III. Management & Policy
Part IV. Tools and Approaches
Part V. Psychosocial and Organizational Factors
Part VI. General Hazards
Part VII. The Environment
Part VIII. Accidents and Safety Management
Part IX. Chemicals
Part X. Industries Based on Biological Resources
Part XI. Industries Based on Natural Resources
Part XII. Chemical Industries
Part XIII. Manufacturing Industries
Part XIV. Textile and Apparel Industries
Part XV. Transport Industries
Part XVI. Construction
Part XVII. Services and Trade
Part XVIII. Guides