|
Chemical Name |
Physical |
Chemical |
UN Class or Division / Subsidiary Risks |
|
ANTU |
The substance decomposes on heating producing toxic fumes including nitrogen oxides and sulphur oxides • Reacts with strong oxidants causing fire and explosion hazard |
6.1 |
|
|
BENZENESULPHONYL CHLORIDE |
8 |
||
|
n-BUTYLMERCAPTAN |
The vapour is heavier than air and may travel along the ground; distant ignition possible |
The substance decomposes on burning or heating, producing highly toxic fumes (sulphur dioxide) • Reacts with acids, bases, alkali metals, and strong oxidants |
3 |
|
tert-BUTYLMERCAPTAN |
The vapour is heavier than air and may travel along the ground; distant ignition possible |
The substance decomposes on burning producing highly toxic gases including sulphur oxides • Reacts with strong acids, strong bases, alkali metals, strong reducing agents, strong oxidants |
|
|
CETYLMERCAPTAN |
The substance decomposes on burning producing highly toxic gases including sulphur oxides • Reacts violently with strong oxidants, acids, reducing agents, alkali metals |
||
|
CYCLOHEXYLMERCAPTAN |
The substance decomposes on burning producing highly toxic gases including sulphur dioxide • Reacts with strong oxidants, reducing agents, and alkali metals |
3 |
|
|
DECYLMERCAPTAN |
The substance decomposes on burning producing highly toxic gases including sulphur dioxide • Reacts with strong oxidants and strong bases |
||
|
DIETHYLSULPHATE |
The substance decomposes on heating producing flammable and toxic fumes • The substance is a strong oxidant and reacts with combustible and reducing materials • The substance is a strong reducing agent and reacts with oxidants • The solution in water is a strong acid, it reacts violently with bases and is corrosive |
6.1 |
|
|
DIETHYLSULPHIDE |
3 |
||
|
DIMETHYLSULPHATE |
6.1/ 8 |
||
|
DIMETHYLSULPHIDE |
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 (hydrogen sulphide and sulphur oxides) • Reacts violently with strong oxidants causing fire and explosion hazard |
3 |
|
DIMETHYLSULPHOXIDE |
The vapour is heavier than air and may travel along the ground; distant ignition possible |
The substance decomposes on heating above 150 °C or on burning producing toxic fumes • Reacts violently with strong oxidants such as perchlorates |
|
|
DODECYLMERCAPTAN |
The substance decomposes on burning producing highly toxic gases including sulphur dioxide • Reacts violently with strong oxidants and alkali metals |
||
|
ETHYLMERCAPTAN |
The vapour is heavier than air and may travel along the ground; distant ignition possible |
On combustion, forms carbon monoxide, sulphur oxides and hydrogen sulphide • The substance is a weak acid • Reacts with oxidants causing fire and explosion hazard • Reacts vigourously with strong acids and bases causing toxic hazard |
3 |
|
LAURYL SODIUM SULPHATE |
On combustion, forms toxic gases • Gives off toxic fumes in a fire |
||
|
MERCAPTOACETIC ACID |
8 |
||
|
2-MERCAPTOETHANOL |
8 |
||
|
METHANESULPHONYL CHLORIDE |
6.1/ 8 |
||
|
D,L-METHIONINE |
The substance decomposes on heating producing sulphur oxides, nitrous oxides • Reacts with strong oxidants |
||
|
METHYLMERCAPTAN |
The gas is heavier than air and may travel along the ground; distant ignition possible |
The substance decomposes on heating and on burning producing toxic sulphur oxides • Reacts violently with strong oxidants • Reacts with acids to form flammable and toxic gas (hydrogen sulphide) |
2.3/ 2.1 |
|
1-PENTANETHIOL |
3 |
||
|
PERCHLOROMETHYLMERCAPTAN |
6.1 |
||
|
PHENYLMERCAPTAN |
The substance decomposes on heating producing toxic fumes (sulphur oxides and carbon monoxide) • Reacts with acids to form toxic fumes (sulphur oxides) |
6.1/ 3 |
|
|
PROPANETHIOL |
3 |
||
|
SODIUM DODECYLBENZENESULPHONATE |
The substance decomposes on heating and on burning producing toxic and irritating fumes (sulphur oxides) • Reacts with acids or acid fumes producing toxic and irritating fumes (sulphur oxides) |
||
|
SODIUM THIOCYANATE |
The substance decomposes on heating and under influence of light producing toxic fumes of sulphur oxides, nitrogen oxides and cyanides • Reacts violently with acids, strong bases and strong oxidants |
||
|
THIOACETAMIDE |
The substance decomposes on burning producing toxic fumes |
||
|
THIOACETIC ACID |
The vapour is heavier than air and may travel along the ground; distant ignition possible |
The substance decomposes on burning producing toxic and corrosive fumes (sulphur oxides) • The substance is a medium strong acid and is corrosive • Reacts violently with strong oxidants causing fire and explosion hazard • Reacts slowly with water forming acetic acid and hydrogen sulfide |
|
|
THIOUREA |
The substance decomposes on heating producing toxic fumes of nitrogen oxides and sulphur oxides • acts with sufphydryl-oxidizing agents and forms complexes and adducts with metallic salts and many organic compounds including proteins and certain hydrocarbons • Reacts violently with acrolein, strong acids and strong oxidants |
||
|
THIRAM |
Dust explosion possible if in powder or granular form, mixed with air |
The substance decomposes on heating and on burning producing toxic fumes (nitrogen, sulphur oxides) • Reacts with strong oxidants, acids and oxidizable materials |
6.1 |
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