Tuesday, 09 August 2011 01:14

Hydrocarbons, Polyaromatic: Physical & Chemical Hazards

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Chemical Name
CAS-Number

Physical

Chemical

UN Class or Division /  Subsidiary Risks

ANTHRACENE
120-12-7

Dust explosion possible if in powder or granular form, mixed with air

The substance decomposes on heating, on contact with sunlight, under influence of strong oxidants producing acrid, toxic fumes, causing fire and explosion hazards

3

BENZO(b)FLUORANTHENE
205-99-2

Upon heating, toxic fumes are formed

BENZO(ghi)FLUORANTHENE
203-12-3

Upon heating, toxic fumes are formed

BENZO(k)FLUORANTHENE
207-08-9

Upon heating, toxic fumes are formed • Reacts with strong oxidants

BENZO(ghi)PERYLENE
191-24-2

Upon heating, toxic fumes are formed • Reacts with NO and NO2 to form nitro derivatives

DIBENZO(a,h)ANTHRACENE
53-70-3

Reacts with strong oxidants

4.1

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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