IUPAC Name: (E)-3-(4-Nitrophenyl)prop-2-enal
Synonyms : P-nitrocinnamaldehyde ; Trans-3-(4-nitrophenyl)-2-propenal ; Trans-4-nitrocinnamaldehyde ; 2-Propenal, 3-(4-nitrophenyl)- ; 3-(4-Nitrophenyl)-2-propena ; Cinnamaldehyde, p-nitro- ; P-Nitro-cinnamaldehyd ; 4-Nitrophenylacrylaldehyde
Product Categories: Aromatic Aldehydes & Derivatives (substituted) Molecular Structure
Molecular Formula: C₉H₇NO₃
Molecular Weight : 177.16
 Molecular Structure:
CAS NO: 1734-79-8
EINECS : 217-076-8
Mol File: 1734-79-8.mol
BRN : 1565424
Index of Refraction: 1.617
Surface Tension: 51.8 dyne/cm
Density: 1.269 g/cm³
Flash Point: 151.6 °C
Enthalpy of Vaporization: 55.25 kJ/mol
Boiling Point: 311.6 °C at 760 mmHg
Vapour Pressure: 0.000557 mmHg at 25°C
Melting point: 140-143 °C(lit.)
Storage temp: Refrigerator (+4°C)
Sensitive : P-Nitrocinnamaldehyde (CAS NO.1734-79-8) is air sensitive.
Appearance: P-Nitrocinnamaldehyde (CAS NO.1734-79-8) is beige to yellow-brown crystals or cryst  powder.

 P-Nitrocinnamaldehyde (CAS NO.1734-79-8) is used as pharmaceutical intermediates.

Reported in EPA TSCA Inventory.

Moderately toxic by intraperitoneal route. When heated to decomposition it emits toxic fumes of NO_x. See also NITRO COMPOUNDS and ALDEHYDES.
Hazard Codes Xi
Risk Statements 36/38
R36/38:Irritating to eyes and skin.
Safety Statements 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
WGK Germany 3
RTECS GD665000

General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam. 
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Storage: Store in a cool, dry place. Store in a tightly closed container. Keep refrigerated. (Store below 4°C/39°F.)