Lophine

  • Triphendazole
  • 2,4,5-Triphenylimidazole
  • 2,4,5-Triphenyl-1,3-imidazole
  • 2,4,5-Triphenyl-1H-imidazole
Formula
C21H16N2
Structure
Description
Long white crystalline tufts.
Uses
Chemiluminescence.

Registry Numbers and Inventories.
CAS
484-47-9
EC (EINECS/ELINCS)
207-606-6
S 22 24/25
RTECS
NI8710000
RTECS class
Other
Beilstein/Gmelin
236652
Beilstein Reference
5-23-10-00107
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C21H16N2
Formula mass
296.37
Melting point, °C
270
Boiling point, °C
509
Vapor pressure, mmHg
6E-10 (25 C)
Solubility in water
Insoluble
pKa/pKb
9.52 (pKb)
Partition coefficient, pKow
6.82
Heat of vaporization
75.0 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Protection
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.
Respirators
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Stability
No data.
Incompatibilities
Strong oxidizing agents.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
273
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Health.
Exposure effects
   Ingestion
No information found.
   Inhalation
No information available.
   Skin
May cause skin irritation.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
Get medical aid. Wash mouth out with water.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   Skin
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.

Transport.