- 4-Biphenyl isocyanate
- 4-Biphenylyl isocyanate
- 4-Phenylphenyl isocyanate
- p-Diphenyl isocyanate
Used as a a reagent for the identification of hydroxy compounds, with which it gives crystalline derivatives of definite melting point.
Registry Numbers and Inventories.
Melting point, °C
59 - 62
Boiling point, °C
Solubility in water
Heat of vaporization
Hazards and Protection.
Keep tightly closed. Store at 2-8 C
Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing.
Wear positive pressure self-contained breathing apparatus (SCBA).
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.
Stable at normal temperatures and pressures. Sensitive to moisture.
Strong oxidizing agents.
Carbon monoxide, Carbon dioxide, Nitrogen oxides, Hydrogen cyanide.
Extinguish using 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.
May burn but does not ignite readily.
Emits toxic fumes under fire conditions.
Fire may produce irritating, corrosive and/or toxic gases.
Harmful. Harmful by inhalation, in contact with skin and if swallowed. Irritating to eyes, respiratory system and skin. Lachrymator. Possible sensitizer.
Inhalation of material may be harmful.
Contact may cause burns.
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes.
Assure adequate flushing of the eyes by separating the eyelids with fingers.