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4457-32-3

Name 4-Nitrobenzyl chloroformate
CAS 4457-32-3
EINECS(EC#) 224-708-6
Molecular Formula C8H6ClNO4
MDL Number MFCD00007375
Molecular Weight 215.59
MOL File 4457-32-3.mol
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Chemical Properties

Appearance off-white to pale yellow powder
Melting point  32-34 °C(lit.)
Boiling point  230°C 10mm
density  1.4928 (rough estimate)
refractive index  1.552-1.556
Fp  >230 °F
storage temp.  2-8°C
solubility  Acetonitrile (Slightly), Chloroform (Slightly)
form  powder to crystal
color  White to Light yellow
Stability: Stable, but moisture-sensitive. May develop pressure in storage. Incompatible with moisture, strong bases, alcohols, amines, acids.
Sensitive  Moisture Sensitive
BRN  912446
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 4457-32-3(EPA Substance)

Safety Data

Hazard Codes  C,T
Risk Statements 
R34:Causes burns.
R37:Irritating to the respiratory system.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R36/37:Irritating to eyes and respiratory system .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S38:In case of insufficient ventilation, wear suitable respiratory equipment .
S27:Take off immediately all contaminated clothing .
RIDADR  UN 3261 8/PG 2
WGK Germany  3
F  3-4.9
Hazard Note  Corrosive/Toxic/Moisture Sensitive
HazardClass  8
PackingGroup  III
HS Code  29159000

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