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Sunday, 07 August 2011 06:55

Hydrocarbons, Saturated & Alicyclic: Physical & Chemical Hazards

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Chemical Name
CAS-Number

Physical

Chemical

UN Class or Division /  Subsidiary Risks

BUTANE
106-97-8

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

On combustion, forms toxic gases; COx

2.1

CYCLOHEXANE
110-82-7

The vapour is heavier than air and may travel along the ground; distant ignition possible • As a result of flow, agitation, etc, electrostatic charges can be generated

3

CYCLOPENTANE
287-92-3

The vapour is heavier than air and may travel along the ground; distant ignition possible • As a result of flow, agitation, etc, electrostatic charges can be generated

3

CYCLOPROPANE
75-19-4

2.1

DECANE
124-18-5

Can react with oxidizing materials

3

2,3-DIMETHYLBUTANE
79-29-8

3

ETHANE
74-84-0

The gas mixes well with air, explosive mixtures are easily formed

On combustion, forms toxic gases

2.1

HEPTANE
142-82-5

The vapour is heavier than air and may travel along the ground; distant ignition possible • If dry, it can be charged electrostatically by swirling, pneumatic transport, pouring, etc

Reacts violently with strong oxidants • Attacks many plastics

3

HEXANE
110-54-3

The vapour is heavier than air and may travel along the ground; distant ignition possible

Reacts with strong oxidants causing fire and explosion hazard

3

ISOBUTANE
75-28-5

2.1

2-METHYLBUTANE
78-78-4

The vapour is heavier than air and may travel along the ground; distant ignition possible • As a result of flow, agitation, etc, electrostatic charges can be generated

May explode on heating • On combustion, forms acrid smoke and irritating fumes • Reacts violently with oxidants

3

METHYLCYCLOHEXANE
108-87-2

The vapour is heavier than air and may travel along the ground; distant ignition possible • As a result of flow, agitation, etc, electrostatic charges can be generated

Reacts violently with strong oxidants causing fire and explosion hazard

3

2-METHYLHEPTANE
592-27-8

The vapour is heavier than air and may travel along the ground; distant ignition possible

Upon heating, toxic fumes are formed • Reacts with oxidants

3-METHYLPENTANE
96-14-0

3

NONANE
111-84-2

3

OCTANE
111-65-9

The vapour is heavier than air and may travel along the ground; distant ignition possible • As a result of flow, agitation, etc, electrostatic charges can be generated

Reacts with strong oxidants causing fire and explosion hazard • Attacks some forms of plastics, rubber and coatings

3

PENTANE
109-66-0

The vapour is heavier than air and may travel along the ground; distant ignition possible

On combustion, forms toxic gases of carbon oxides • Reacts with strong oxidants (eg, peroxides, nitrates and perchlorates), causing fire and explosion hazard • Attacks some forms of plastics, rubber and coatings

3

PROPANE
74-98-6

The gas is heavier than air, and may travel along the ground; distant ignition possible • May accumulate in low ceiling spaces causing deficiency of oxygen

On combustion, forms toxic fumes

2.1

2,2,4-TRIMETHYLPENTANE
540-84-1

The vapour is heavier than air and may travel along the ground; distant ignition possible • As a result of flow, agitation, etc, electrostatic charges can be generated

Heating may cause violent combustion or explosion • Reacts with strong oxidants

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