4-Nitrobenzaldehyde

  • p-Nitrobenzaldehyde
  • 4-Formylnitrobenzene
  • p-Formylnitrobenzene
Formula
4-(NO2)C6H4CHO
Structure
Description
Beige or brown solid.

Registry Numbers and Inventories.
CAS
555-16-8
EC (EINECS/ELINCS)
209-084-5
R 36/37/38
RTECS
CU7350000
RTECS class
Mutagen
Merck
12,6684
Beilstein/Gmelin
386796
Beilstein Reference
4-07-00-00598
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C7H5NO3
Formula mass
151.12
Melting point, °C
106
Boiling point, °C
300
Vapor pressure, mmHg
0.0012 (25 C)
Vapor density (air=1)
5.21
Density
1.546 g/cm3
Solubility in water
Slightly soluble
Partition coefficient, pKow
1.56
Heat of vaporization
54.0 kJ/mol
Heat of combustion
-3319 kJ/mol

Hazards and Protection.
Storage
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Protection
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.
Respirators
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.
Small spills/leaks
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Disposal code
3
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong bases.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide, nitrogen.

Fire.
Flash Point,°C
155
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water spray, dry chemical, carbon dioxide, or alcohol-resistant foam.

Health.
Poison_Class
3 (Strong toxins)
Exposure effects
   Ingestion
May cause digestive tract disturbances.
   Inhalation
Causes respiratory tract irritation.
   Skin
Causes skin irritation.
   Eyes
May cause eye irritation and possible burns.

First aid
 
   Ingestion
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.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.
HS Code
2913 00 00