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1641-40-3

Name 1,2-PHENYLENE PHOSPHOROCHLORIDITE
CAS 1641-40-3
EINECS(EC#) 216-690-3
Molecular Formula C6H4ClO2P
MDL Number MFCD00005853
Molecular Weight 174.52
MOL File 1641-40-3.mol
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Chemical Properties

Appearance Colourless Liquid Which Solidifies at Low Temperature
Melting point  30-35 °C(lit.)
Boiling point  80 °C20 mm Hg(lit.)
density  1.466 g/mL at 25 °C(lit.)
refractive index  n20/D 1.571(lit.)
Fp  >230 °F
storage temp.  0-6°C
form  solid
Sensitive  Moisture Sensitive
Usage Highly reactive cyclic phosphitylating reagent which provides fast coupling rates, and hydrolytic cleavage occurs more readily than with acyclic analogs
BRN  135455
Stability: Moisture Sensitive
CAS DataBase Reference 1641-40-3(CAS DataBase Reference)
EPA Substance Registry System 1,3,2-Benzodioxaphosphole, 2-chloro- (1641-40-3)

Safety Data

Hazard Codes  C
Risk Statements 
R34:Causes burns.
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) .
RIDADR  UN 3261 8/PG 2
WGK Germany  3
F  10-21
TSCA  Yes
HazardClass  8
PackingGroup  II

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