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Friday, 12 August 2011 00:22

Sulphur Compounds, Organic: Physical & Chemical Hazards

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Chemical Name
CAS-Number

Physical

Chemical

UN Class or Division /  Subsidiary Risks

ANTU
86-88-4

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
98-09-9

8

n-BUTYLMERCAPTAN
109-79-5

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
75-66-1

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
2917-26-2

The substance decomposes on burning producing highly toxic gases including sulphur oxides • Reacts violently with strong oxidants, acids, reducing agents, alkali metals

CYCLOHEXYLMERCAPTAN
1569-69-3

The substance decomposes on burning producing highly toxic gases including sulphur dioxide • Reacts with strong oxidants, reducing agents, and alkali metals

3

DECYLMERCAPTAN
143-10-2

The substance decomposes on burning producing highly toxic gases including sulphur dioxide • Reacts with strong oxidants and strong bases

DIETHYLSULPHATE
64-67-5

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
352-93-2

3

DIMETHYLSULPHATE
77-78-1

6.1/ 8

DIMETHYLSULPHIDE
75-18-3

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 (hydrogen sulphide and sulphur oxides) • Reacts violently with strong oxidants causing fire and explosion hazard

3

DIMETHYLSULPHOXIDE
67-68-5

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
112-55-0

The substance decomposes on burning producing highly toxic gases including sulphur dioxide • Reacts violently with strong oxidants and alkali metals

ETHYLMERCAPTAN
75-08-1

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
151-21-3

On combustion, forms toxic gases • Gives off toxic fumes in a fire

MERCAPTOACETIC ACID
68-11-1

8

2-MERCAPTOETHANOL
60-24-2

8

METHANESULPHONYL CHLORIDE
124-63-0

6.1/ 8

D,L-METHIONINE
59-51-8

The substance decomposes on heating producing sulphur oxides, nitrous oxides • Reacts with strong oxidants

METHYLMERCAPTAN
74-93-1

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
110-66-7

3

PERCHLOROMETHYLMERCAPTAN
594-42-3

6.1

PHENYLMERCAPTAN
108-98-5

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
107-03-9

3

SODIUM DODECYLBENZENESULPHONATE
25155-30-0

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
540-72-7

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
62-55-5

The substance decomposes on burning producing toxic fumes

THIOACETIC ACID
507-09-5

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
62-56-6

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
137-26-8

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

 

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