Colorless to yellowish liquid.
Organic synthesis, intermediate for pharmaceuticals, dyes.
Registry Numbers and Inventories.
EC Index Number
Carcinogenic Category 2; Harmful
R 45 22
S 53 45
Japan ENCS (MITI)
Melting point, °C
Boiling point, °C
Vapor pressure, mmHg
0.004 (25 C)
1.254 g/cm3 (20 C)
Solubility in water
0.838 (131 C)
45.0 g/s2 (25 C)
1.5161 (20 C)
Partition coefficient, pKow
Hazards and Protection.
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Provide ventilation.
Stable under normal temperatures and pressures.
Strong oxidizing agents. Explosive reaction with sodium hydroxide + zinc, vigorous reaction with hydrogen + catalyst
Nitrogen oxides, carbon monoxide, carbon dioxide, nitrogen.
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: For large fires, use water spray, fog, or alcohol-resistant foam. For small fires, use dry chemical, carbon dioxide, halon, or water spray.
Combustible material: may burn but does not ignite readily.
Containers may explode when heated.
Fire may produce irritating, corrosive and/or toxic gases.
OEL-RUSSIA:STEL 1 mg/m3;Skin
I-2B, N-2, CP65
May cause cancer in humans.
May cause irritation of the digestive tract. May cause methemoglobinemia, cyanosis, convulsions, and death. Methemoglobinemia is characterized by dizziness, drowsiness, headache, breath shortness, cyanosis with bluish skin, rapid heart rate and chocolate-brown colored blood. May be harmful if swallowed.
Effects may be delayed. May cause respiratory tract irritation.
May cause skin irritation. If absorbed, causes symptoms similar to those of ingestion. Effects may be delayed.
May cause eye irritation.
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Get medical aid immediately. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
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