Chemical Name
CAS-Number

Physical

Chemical

UN Class or Division /  Subsidiary Risks

N-AMINOETHYLPIPERAZINE
140-31-8

8

2-AMINOPYRIDINE
504-29-0

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

The substance decomposes on burning producing toxic gases and vapours including nitrous oxides • Reacts with strong oxidants causing fire and explosion hazard • The substance is a strong base that is soluble in water

6.1

BENZOGUANAMINE
91-76-9

6.1

3,6-DICHLOROPICOLINIC ACID
1702-17-6

The substance decomposes on burning producing toxic and corrosive gases • Reacts with bases forming salts • Solutions of them are corrosive to aluminum, iron, and tin

2-MERCAPTOBENZOTHIAZOLE
149-30-4

On combustion, forms toxic gases (carbon monoxide and sulphur compounds) • The substance decomposes on heating and on burning producing toxic and irritating fumes (sulphur and nitrogen oxides) • Reacts with acids with the formation of highly toxic fumes of sulphur compounds • Reacts with acids or acid fumes producing toxic fumes (sulphur compounds)

2-MERCAPTOBENZOTHIAZOLE DISULPHIDE
120-78-5

On combustion, forms toxic gases: carbon, sulphur and nitrogen oxides • Reacts with strong oxidants and acids

2-METHYLPYRIDINE
109-06-8

The substance decomposes on heating producing toxic fumes (nitrogen oxides) • Reacts with oxidants and strong acids • Attacks copper and its alloys

3

3-METHYLPYRIDINE
108-99-6

The substance decomposes on heating producing toxic fumes (nitrogen oxides) • Reacts with oxidants and strong acids

3

4-METHYLPYRIDINE
108-89-4

The substance decomposes on heating producing toxic fumes (nitrogen oxides) • Reacts with oxidants and strong acids

3

1-METHYL-2-PYRROLIDONE
872-50-4

The substance decomposes on heating above 315 °C producing toxic fumes • Reacts with strong acids • Attacks aluminium

MORPHOLINE
110-91-8

The substance decomposes on heating producing toxic fumes (nitrogen oxides) • The substance is a weak base • Reacts with strong oxidants causing fire hazard • Attacks copper and its compounds

3

NICOTINE
54-11-5

The substance decomposes on heating producing toxic fumes • Reacts violently with strong oxidants • Attacks rubber and some plastics

NICOTINE TARTRATE
65-31-6

Shock-sensitive compounds are formed with this substance • The substance decomposes on heating producing toxic fumes • The substance is a strong reducing agent and reacts with oxidants

6.1

PHENOTHIAZINE
92-84-2

The substance decomposes on heating and on burning producing toxic and irritating fumes including nitrogen oxides and sulphur oxides

PHENYLENEPYRENE
193-39-5

Upon heating, toxic fumes are formed

PIPERAZINE
110-85-0

8

PIPERIDINE
110-89-4

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 gases such as nitrogen oxides • The substance is a medium strong base • Reacts violently with oxidants

3/ 8

PROPYLENE IMINE
75-55-8

3

PYRIDINE
110-86-1

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

On combustion, forms toxic fumes (amines) • The substance decomposes on heating or on burning producing toxic fumes (nitrogen oxides and hydrogen cyanide) • Reacts violently with strong oxidants and strong acids

3

PYRROLIDINE
123-75-1

3/ 8

2-PYRROLIDINONE
616-45-5

The substance decomposes on heating producing toxic fumes • Reacts with strong acids cf • methylpyrrolidone • Attacks aluminium

QUINOLINE
91-22-5

The substance decomposes on heating and on burning producing toxic fumes of nitrogen oxides • Reacts with strong oxidants and maleine anhydride

6.1

TETRAHYDROTHIOPHENE
110-01-0

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

On combustion, forms toxic fumes • Reacts violently with strong oxidants and nitric acid • Attacks rubber

3

THIOPHENE
110-02-1

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

The substance decomposes on heating and on burning producing toxic and irritating fumes (sulphur oxides) • Reacts violently with oxidizing materials, including fuming nitric acid

3

2-VINYLPYRIDINE
100-69-6

6.1/ 3