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104-49-4

Name 1,4-Phenylene diisocyanate
CAS 104-49-4
EINECS(EC#) 203-207-6
Molecular Formula C8H4N2O2
MDL Number MFCD00002025
Molecular Weight 160.13
MOL File 104-49-4.mol
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Chemical Properties

Appearance white to light yellow crystals
Melting point  96-99 °C (lit.)
Boiling point  260 °C (lit.)
density  1.3848 (rough estimate)
vapor pressure  <0.01 mm Hg ( 20 °C)
refractive index  1.4900 (estimate)
Fp  >230 °F
solubility  THF: soluble
form  powder to crystal
color  White to Light yellow
Stability: Stable. Combustible. Incompatible with strong oxidising agents, strong alkalies, strong acids, alcohols, amines. Moisture sensitive.
Water Solubility  130mg/L at 20℃
LogP 3.19 at 20℃
CAS DataBase Reference 104-49-4(CAS DataBase Reference)
NIST Chemistry Reference Benzene, 1,4-diisocyanato-(104-49-4)
EPA Substance Registry System 104-49-4(EPA Substance)

Safety Data

Hazard Codes  Xn
Risk Statements 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
R42:May cause sensitization by inhalation.
Safety Statements 
S22:Do not breathe dust .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37:Wear suitable protective clothing and gloves .
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
RTECS  CZ6150000
HazardClass  6.1
PackingGroup  III
HS Code  29291010

Hazard Information

Material Safety Data Sheet(MSDS)

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