4-Nitrophenyl isocyanate

IUPAC: 1-isocyanato-4-nitrobenzene .
Molecular Formula: C₇H₄N₂O₃
Molecular Weight: 164.12g/mol
Melting Point: 56-59 ^oC(lit.)
Boiling Point: 137-138 ^oC at 11 mm Hg(lit.)
Flash Point: >110 ^oC
Storage temp.: 2-8 ^oC
Sensitive: Moisture Sensitive 
Index of Refraction: 1.589
Molar Refractivity: 41.81 cm³
Molar Volume: 124 cm³
Polarizability: 16.57×10^-24cm³
Surface Tension: 56.9 dyne/cm
Density: 1.32 g/cm³
Enthalpy of Vaporization: 50.86 kJ/mol
Vapour Pressure: 0.00684 mmHg at 25 ^oC
The synonyms of  4-Nitrophenyl isocyanate (100-28-7) are p-Nitrophenyl isocyanate ; Timtec-bb sbb006628 ; 1-Isocyanato-4-nitro-benzen ; Ai3-28253 ; Benzene,1-isocyanato-4-nitro- ; Isocyanic acid, P-Nitrophenyl ester ; Isocyanicacid,p-nitrophenylester ; Isocyanic acid 4-nitrophenyl ester .
The stucture of 4-Nitrophenyl isocyanate (100-28-7) is 
. 

 4-Nitrophenyl isocyanate (100-28-7) is mainly used as medicine and pesticide intermediate.

A poison by intraperitoneal route. Moderately toxic by ingestion. When heated to decomposition it emits toxic vapors of NO_x.
 

Hazard Codes: Xn
Risk Statements: 20/21/22-36/37/38-42 
20/21/22: Harmful by inhalation, in contact with skin and if swallowed 
36/37/38: Irritating to eyes, respiratory system and skin 
42: May cause sensitization by inhalation
Safety Statements: 22-26-36/37/39-45 
22: Do not breathe dust 
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
36/37/39: Wear suitable protective clothing, gloves and eye/face protection 
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
RIDADR: 2206
WGK Germany: 3
RTECS: DA3692500
F: 10-19-21 
F 10: Keep under argon.
F 19: Lachrymator.
F 21: Sensitive to humidity.
HazardClass: 6.1(b)
PackingGroup: III

 4-Nitrophenyl isocyanate (100-28-7) is yellow crystalline solid.