4-NITROANILINE

International Chemical Safety Cards

4-NITROANILINE

ICSC: 0308

4-NITROANILINE
p-Nitroaniline
1-Amino-4-nitrobenzene
C.I. 37035
C₆H₆N₂O₂
Molecular mass: 138.1
CAS # 100-01-6
RTECS # BY7000000
ICSC # 0308
UN # 1661
EC # 612-012-00-9

TYPES OF HAZARD/ EXPOSURE	ACUTE HAZARDS/ SYMPTOMS	PREVENTION	FIRST AID/ FIRE FIGHTING
FIRE	Combustible. Many reactions may cause fire or explosion.	NO open flames. NO contact with combustible substances.	Powder, water spray, foam, carbon dioxide.
EXPLOSION	Finely dispersed particles form explosive mixtures in air.	Prevent deposition of dust; closed system, dust explosion-proof electrical equipment and lighting.	In case of fire: keep drums, etc., cool by spraying with water. Combat fire from a sheltered position.

EXPOSURE		PREVENT DISPERSION OF DUST!
INHALATION	Blue lips or finger nails. Blue skin. Dizziness. Headache. Laboured breathing.	Local exhaust or breathing protection.	Fresh air, rest. Artificial respiration if indicated. Refer for medical attention.
SKIN	MAY BE ABSORBED! Blue lips or fingernails. Blue skin (further see Inhalation).	Protective gloves. Protective clothing.	Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention.
EYES		Face shield or eye protection in combination with breathing protection.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
INGESTION	(further see Inhalation).	Do not eat, drink, or smoke during work.	Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Sweep spilled substance into covered containers. Wash away remainder with plenty of water. Sweep gently to avoid raising dust (extra personal protection: P3 filter respirator for toxic particles).

Separated from combustible and reducing substances, food and feedstuffs.

Do not transport with food and feedstuffs.
T symbol
R: 23/24/25-33
S: 28-36/37-44
UN Hazard Class: 6.1
UN Packing Group: II

SEE IMPORTANT INFORMATION ON BACK

ICSC: 0308

Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities © IPCS CEC 1993

International Chemical Safety Cards

4-NITROANILINE

ICSC: 0308

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PHYSICAL STATE; APPEARANCE:
YELLOW TO ORANGE CRYSTALS OR POWDER.

PHYSICAL DANGERS:
Dust explosion possible if in powder or granular form, mixed with air.

CHEMICAL DANGERS:
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.

OCCUPATIONAL EXPOSURE LIMITS (OELs):
TLV: ppm; 3 mg/m³ (as TWA) (skin) (ACGIH 1993-1994).
PDK: 0.1 mg/m³ P (USSR 1988).
MAK: 1 ppm; 6 mg/m³; H (1991).

ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its vapour, through the skin and by ingestion.

INHALATION RISK:

EFFECTS OF SHORT-TERM EXPOSURE:
The substance may cause effects on the blood: methemoglobinemia , resulting in cyanosis and kidney impairment. The effects may be delayed.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
The substance may have effects on the blood , resulting in the forming of methaemoglobin (see Short-Term Exposure).

PHYSICAL
PROPERTIES

Boiling point: 332°C
Melting point: 148°C
Relative density (water = 1): 1.4
Solubility in water, g/100 ml at 18.5°C: 0.08
Vapour pressure, Pa at 20°C: 0.2

Relative vapour density (air = 1): 4.8
Flash point: 199°C
Auto-ignition temperature: 510°C
Octanol/water partition coefficient as log Pow: 1.39