Porphin

  • 21H,23H-Porphine
  • 21,22,23,24-Tetraazapentacyclo[16.2.1.13,6.18,11.113,16]tetracosa-1,3,5,7,9,11(23),12,14,16,18(21),19-undecaene
Formula
C20H14N4
Structure
Description
Dark red leaflets

Registry Numbers and Inventories.
CAS
101-60-0
EC (EINECS/ELINCS)
202-958-7
UN (DOT)
2970
Merck
12,7758
Beilstein/Gmelin
36080
Beilstein Reference
4-26-00-01900
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C20H14N4
Formula mass
310.36
Melting point, °C
360
Sublimation point, °C
300
Density
1.336 g/cm3
Solubility in water
Insoluble
Partition coefficient, pKow
3.60

Hazards and Protection.
Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Wear protective gloves and clothing and safety goggles.
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
ELIMINATE all ignition sources and combustible materials. Do not touch spilled material. Stop leak if you can do it without risk. Take up with inert, damp, noncombustible material using clean non-sparking tools and place into loosely covered plastic containers for later disposal.
Stability
No data.

Fire.
Fire fighting
Small Fires: Dry chemical, carbon dioxide, water spray or regular foam. Large Fires: Flood fire area with water from a distance.
Fire potential
Self-decomposition or self-ignition may be triggered by heat, chemical reaction, friction or impact.
Hazards
Vapors or dust may form explosive mixtures with air. Some may decompose explosively when heated or involved in a fire.
Combustion products
May produce irritating, toxic and/or corrosive gases.

Health.
Exposure effects
The toxological properties of this substance have not been fully investigated.
   Inhalation
Inhalation or contact with vapors, substance, or decomposition products may cause severe injury or death.
   Skin
See Inhalation.
   Eyes
See Inhalation.

First aid
 
   Ingestion
Seek medical assistance.
   Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult.
   Skin
Remove and isolate contaminated clothing and shoes. Remove material from skin immediately. Immediately flush with running water for at least 20 minutes.
   Eyes
Immediately flush with running water for at least 20 minutes.

Transport.
UN number
2970
Response guide
Hazard class
4.1