4-Methoxyazobenzene

  • (4-Methoxyphenyl)phenyldiazene
  • 4-(Phenylazo)anisole
  • p-Methoxyazobenzene
Formula
C13H12N2O
Structure
Description
Powder.

Registry Numbers and Inventories.
CAS
2396-60-3
EC (EINECS/ELINCS)
219-250-9
R: 36/37/38
S: 26 37

Properties.
Formula
C13H12N2O
Formula mass
212.25
Melting point, °C
54
Boiling point, °C
340
Vapor pressure, mmHg
1.7E-4 (25 C)
Density
1.06 g/cm3 (20 C)
Solubility in water
Insoluble
Partition coefficient, pKow
3.464
Heat of vaporization
56.1 kJ/mol

Hazards and Protection.
Storage
Keep container tightly sealed. Store in cool, dry place in tightly closed containers.
Protection
Protective work clothing. Impervious gloves. Safety glasses.
Stability
Decomposition will not occur if used and stored according to specifications.
Incompatibilities
Oxidizing agents.

Fire.
Flash Point,°C
130
Fire fighting
Extinguish with carbon dioxide, extinguishing powder or water spray. Fight larger fires with water spray or alcohol resistant foam. Wear self-contained respirator. Wear fully protective impervious suit
Combustion products
Oxides of nitrogen. Oxides of carbon.
Health
1
 
Flammability
1
 
 
Reactivity
1
 

Health.
Exposure effects
Irritating to the skin, eyes and mucous membranes.

First aid
 
   Ingestion
Seek immediate medical advice.
   Inhalation
Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.
   Skin
Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
   Eyes
Rinse opened eye for several minutes under running water. Then consult a doctor.

Transport.