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Saturday, 06 August 2011 03:37

Aromatic Amino Compounds: Physical & Chemical Hazards

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Chemial Name

CAS-Number

Physical

Chemical

Un Class/Div /  Subsidiary Risks

4-AMINODIPHENYL
92-67-1

On combustion, forms toxic gases: ­COx, NOx • The solution in water is a weak base • Reacts with strong oxidants • Forms salts with acids such as hydrochloric acid, sulfuric acid, etc.

6.1

p-AMINOPHENOL
123-30-8

6.1

o-AMINOPHENOL
95-55-6

The substance decomposes on heating producing toxic fumes (nitrogen oxides) • Reacts violently with oxidants causing fire and explosion hazard

6.1

ANILINE
62-53-3

The substance decomposes on heating at temperatures above 190 °C, or on burning producing toxic and corrosive fumes (ammoia and nitrogen oxides) and flammable vapours • The substance is a weak base • Reacts vigorously with strong oxidants, acids, acetic anhydride, chloromelamine monomers, beta-propiolactone and epichlorohydrin causing fire and explosion hazard • Reacts with metals such as sodium, potassium, calcium, producing flammable hydrogen gas • Attacks copper and its alloys

ANILINE HYDROCHLORIDE
142-04-1

The vapour is heavier than air

On combustion, forms toxic fumes including nitrogen oxides • On contact with hot surfaces or flames this substance decomposes forming toxic and corrosive fumes of aniline and chlorine compounds and nitrosis gases • The substance decomposes on heating or on contact with acids producing toxic fumes including aniline and hydrochloric acid • Reacts violently with oxidants causing fire and explosion hazard

6.1

o-ANISIDINE
90-04-0

The substance decomposes on heating producing toxic fumes (nitrogen oxides) • Reacts with strong oxidants causing fire and explosion hazard • Reacts with acids, acid chlorides, acid anydrides, chloroformates • Attacks some forms of plastics, rubber and coatings

6.1

p-ANISIDINE
104-94-9

The substance decomposes on heating producing toxic fumes (nitrogen oxides) • Reacts with strong oxidants causing fire and explosion hazard • Reacts with acids, acid chlorides, acid anydrides, chloroformates

6.1

o-ANISIDINE HYDROCHLORIDE
134-29-2

1,4-BENZENEDIAMINE DIHYDROCHLORIDE
624-18-0

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

The substance decomposes on heating producing toxic and corrosive fumes (nitrogen oxides, hydrogen chloride)

6.1

BENZIDINE
92-87-5

6.1

2-CHLORO-4-NITROANILINE
121-87-9

6.1

o-CHLOROANILINE
95-51-2

The substance decomposes on burning producing toxic fumes (nitrous oxides, hydrogen chloride)

6.1

m-CHLOROANILINE
108-42-9

The substance decomposes on burning producing toxic fumes (nitrous oxides, hydrogen chloride) • The solution in water is a weak base • Reacts violently with oxidants causing fire and explosion hazard

6.1

p-CHLOROANILINE
106-47-8

The substance decomposes on heating above 160 °C and on burning producing toxic and corrosive fumes of nitrogen oxides and hydrogen chloride • Reacts violently with oxidants

6.1

5-CHLORO-o-TOLUIDINE
95-79-4

8

p-CRESIDINE
120-71-8

6.1

2,4-DIAMINOTOLUENE
95-80-7

On combustion, forms toxic gases and fumes (carbon monoxide and nitrogen oxides) • Reacts with oxidants, acids, acid anhydrides, and acid chlorides

2,6-DIAMINOTOLUENE
823-40-5

On combustion, forms toxic fumes of nitogen oxides

6.1

2,3-DICHLOROANILINE
608-27-5

The substance decomposes on heating producing toxic fumes (nitrous oxides, hydrogen chloride)

6.1

2,4-DICHLOROANILINE
554-00-7

The substance decomposes on heating producing toxic fumes (nitrous oxides, hydrogen chloride)

6.1

2,5-DICHLOROANILINE
95-82-9

The substance decomposes on heating producing toxic fumes (nitrous oxides, hydrogen chloride)

6.1

2,6-DICHLOROANILINE
608-31-1

The substance decomposes on heating producing toxic fumes (nitrous oxides, hydrogen chloride)

6.1

3,4-DICHLOROANILINE
95-76-1

The substance decomposes on heating producing toxic fumes (nitrous oxides, hydrogen chloride)

3,3'-DICHLOROBENZIDINE
91-94-1

The substance decomposes on heating producing toxic and corrosive fumes including nitrogen oxides and hydrogen chloride • dergoes usual reactions of benzidine derivates, eg • formation of diazonium salts and acyl and alkyl derivates

4.1

DICYCLOHEXYLAMINONITRITE
3129-91-7

6.1

N,N-DIETHYLANILINE
91-66-7

N,N-DIMETHYL-p-TOLUIDINE
99-97-8

On combustion, forms toxic and corrosive gases (NOx) • Reacts violently with strong oxidants causing fire and explosion hazard • Reacts with acids, anhydrides and chlorides • Attacks many plastics

6.1

DIMETHYLANILINE
121-69-7

The substance decomposes on heating or on burning producing highly toxic fumes (aniline, nitrogen oxides) • The substance is a weak base • Reacts with oxidants

6.1

2,4-DINITROANILINE
97-02-9

May explode on heating, friction or contamination • The substance decomposes on heating producing toxic fumes (nitrogen oxides) • Reacts violently with oxidants • Reacts violently with chlorine and hydrochloric acid evolving gases

DIPHENYLAMINE
122-39-4

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

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

6.1

N-ETHYLANILINE
103-69-5

N-ISOPROPYL-N'-PHENYL-p-PHENYLENEDIAMINE
101-72-4

On combustion, forms toxic gases ­(NOx, COx) • The substance decomposes producing toxic fumes (nitrogen oxides)

6.1

p-METHYLAMINOPHENOL
150-75-4

6.1

METHYLANILINE
100-61-8

The substance decomposes on heating and on burning producing toxic fumes including aniline, nitrogen oxides • Reacts violently with strong acids and oxidants • Attacks some plastic

1,5-NAPHTHALENEDIAMINE
2243-62-1

The substance decomposes on heating producing toxic fumes (nitrogen oxides)

6.1

a-NAPHTHYLAMINE
134-32-7

6.1

b-NAPHTHYLAMINE
91-59-8

6.1

o-NITROANILINE
88-74-4

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

On combustion, forms toxic fumes of nitrogen oxides • The substance is a strong oxidant and reacts with combustible and reducing materials • Reacts with organic materials in presence of moisture causing fire hazard

6.1

m-NITROANILINE
99-09-2

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

On combustion, forms toxic fumes of nitrogen oxides • The substance is a strong oxidant and reacts with combustible and reducing materials • Reacts with organic materials in presence of moisture causing fire hazard

6.1

p-NITROANILINE
100-01-6

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

May explode on heating • On combustion, forms toxic fumes of nitrogen oxides • The substance is a strong oxidant and reacts with combustible and reducing materials • Reacts with organic materials in presence of moisture causing fire hazard

N-PHENYL-1-NAPHTHYLAMINE
90-30-2

On combustion, forms toxic fumes (NOx) • The substance decomposes on heating or on burning producing toxic fumes (nitrogen oxides)

6.1

o-PHENYLENEDIAMINE
95-54-5

6.1

m-PHENYLENEDIAMINE
108-45-2

6.1

p-PHENYLENEDIAMINE
106-50-3

The substance decomposes on heating and on burning producing toxic fumes (nitrogen oxides) • The substance is a strong reducing agent and reacts violently with oxidants

o-TOLIDINE
119-93-7

The substance decomposes on heating and on burning producing toxic fumes including nitrogen oxides • The substance is degraded by light

6.1

o-TOLUIDINE
95-53-4

6.1

m-TOLUIDINE
108-44-1

6.1

p-TOLUIDINE
106-49-0

6.1

XYLIDINE
1300-73-8

The substance decomposes on burning producing hazardous oxides of nitrogen • Reacts with strong oxidants • Reacts with hypochlorites forming explosive chloramines

6.1

2,3-XYLIDINE
87-59-2

6.1

2,4-XYLIDINE
95-68-1

6.1

3,4-XYLIDINE
95-64-7

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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