4,7-Phenanthroline

  • 1,8-Diazaphenanthrene
  • Pseudophenanthroline
  • 5,6,3',2'-Pyridoquinoline
  • Pyrido[3,2-f]quinoline
  • p-Phenanthroline
Formula
C12H8N2
Structure

Registry Numbers and Inventories.
CAS
230-07-9
Beilstein Reference
5-23-08-00430

Properties.
Formula
C12H8N2
Formula mass
180.21
Melting point, °C
172 - 174
Boiling point, °C
365
Vapor pressure, mmHg
3.4E-5 (25 C)
Critical temperature
602
Critical pressure
40.45
Density
1.25 g/cm3 (20 C)
Solubility in water
0.27 g/L (25 C)
pKa/pKb
9.70 (pKb)
Partition coefficient, pKow
2.05
Heat of vaporization
58.73 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Store in a cool dry place.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.
Respirators
Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Respiratory protection is not required. Where protection is desired, use multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges.
Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Incompatibilities
Strong oxidizing agents
Decomposition
Oxides of carbon and nitrogen.

Fire.
Flash Point,°C
165
Fire fighting
Extinguish with water spray, carbon dioxide, dry chemical powder or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Hazards
Emits toxic fumes under fire conditions.

Health.
Exposure effects

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water. Remove contaminated clothing and shoes. Call a physician.
   Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Transport.