4-Iodobiphenyl

  • 4-Iodo-1,1'-biphenyl
  • p-Phenyliodobenzene
  • 4-Phenyliodobenzene
Formula
C12H9I
Structure

Registry Numbers and Inventories.
CAS
1591-31-7
EC (EINECS/ELINCS)
216-469-1
R: 22 41 50/53
S: 26 39 60 61
UN (DOT)
3077
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C12H9I
Formula mass
280.11
Melting point, °C
112
Boiling point, °C
320
Vapor pressure, mmHg
5.2E-4 (25 C)
Density
1.584 g/cm3 (20 C)
Solubility in water
Insoluble
Partition coefficient, pKow
4.98
Heat of vaporization
54.2 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Where risk assessment shows air-purifying respirators are appropriate use a dust mask type N95 (US) or type P1 (EN 143) respirator.
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.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Oxidizing agents.

Fire.
Flash Point,°C
146
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. Specific Hazard(s): Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Combustion products
Emits toxic fumes under fire conditions.
Health
2
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
   Ingestion
Harmful if swallowed.
   Inhalation
May be harmful if inhaled. Material may be irritating to mucous membranes and upper respiratory tract.
   Skin
May cause skin irritation. May be harmful if absorbed through the skin.
   Eyes
Causes severe eye irritation.

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 skin contact, flush with copious amounts of water for at least 15 minutes. 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.
UN number
3077
Response guide
Hazard class
9
Packing Group
III