Melting point :32-34 °C(lit.)
Boiling point :230°C 10mm
Density :1.4928 (rough estimate)
refractive index :1.552-1.556
Flash point :>230 °F
storage temp. :2-8°C
solubility :Acetonitrile (Slightly), Chloroform (Slightly)
form :powder to crystal
color :White to Light yellow
Sensitive :Moisture Sensitive
BRN :912446
Stability :Stable, but moisture-sensitive. May develop pressure in storage. Incompatible with moisture, strong bases, alcohols, amines, acids.
CAS DataBase Reference :4457-32-3(CAS DataBase Reference)
NIST Chemistry Reference :Carbonochloridic acid, (4-nitrophenyl)methyl ester(4457-32-3)
EPA Substance Registry System :Carbonochloridic acid, (4-nitrophenyl)methyl ester (4457-32-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.