644-97-3

Name Dichlorophenylphosphine
CAS 644-97-3
EINECS(EC#) 211-425-8
Molecular Formula C6H5Cl2P
MDL Number MFCD00000528
Molecular Weight 178.98
MOL File 644-97-3.mol

Chemical Properties

Appearance Colorless to light yellow liqui
Melting point  −51 °C(lit.)
Boiling point  222 °C759 mm Hg(lit.)
density  1.319 g/mL at 25 °C(lit.)
refractive index  n20/D 1.597(lit.)
Fp  >230 °F
storage temp.  Store below +30°C.
form  Liquid
color  Clear colorless to slightly yellow
Specific Gravity 1.319 (20℃)
Water Solubility  Reacts
Sensitive  Moisture Sensitive
BRN  508189
Henry's Law Constant 6.5×10-1 mol/(m3Pa) at 25℃, Zhang et al. (2010)
Uses
Organic synthesis, for derivation of plasticizers, polymers, antioxidants; oil additives.
CAS DataBase Reference 644-97-3(CAS DataBase Reference)
NIST Chemistry Reference Phosphonous dichloride, phenyl-(644-97-3)
EPA Substance Registry System 644-97-3(EPA Substance)

Safety Data

Symbol(GHS)  Corrosion (GHS05)Skull and Crossbones (GHS06)
GHS05,GHS06
Signal word  Danger
Hazard statements  H301-H314-H335
Precautionary statements  P261-P270-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  F,T
Risk Statements 
R17:Spontaneously flammable in air.
R25:Toxic if swallowed.
R34:Causes burns.
R29:Contact with water liberates toxic gas.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S43:In case of fire, use ... (indicate in the space the precise type of fire-fighting equipment. If water increases the risk add-Never use water) .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  UN 2845 4.2/PG 1
WGK Germany  3
RTECS  TB2478000
F  10-21
TSCA  Yes
REACH Registrations Active
HazardClass  8
PackingGroup  II
HS Code  29310095
Safety Profile
A poison irritant to skin, eyes, and mucous membranes and poison by ingestion and inhalation. When heated to decomposition it emits very toxic fumes of Cland POx. See also PHOSPHINE.
Hazardous Substances Data 644-97-3(Hazardous Substances Data)

Hazard Information

Material Safety Data Sheet(MSDS)

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