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1,4-Phenylene diisocyanateCAS. NO.104-49-4 high quality 1,4-Phenylene diisocyanate High purity 1,4-Phenylene diisocyanate
CAS 104-49-4
EINECS 203-207-6
Chemical formula C8H4N2O2
Molecular weight 160.13
InChI InChI=1/C8H4N2O2/c11-5-9-7-1-2-8(4-3-7)10-6-12/h1-4H
Density 1.3848 (rough estimate)
Melting point 96-99 °C (lit.)
Boiling point 260 °C (lit.)
Flash point > 230 ° F
Water-soluble 130mg/L at 20℃
Vapor pressure < 0.01 mm Hg (20 °C)
soluble (THF) : soluble
Refractive index 1.4900 (estimate)
Stable. Combustible. Incompatible with strong oxidising agents, strong alkalies, strong acids, alcohols, Stable. Combustible. Incompatible with strong oxidising agents, strong alkalies, strong acids, alcohols, amines. Moisture sensitive.
The appearance is powder to crystal
The color is White to Light yellow
Dangerous Goods Mark Xn - Hazardous Goods
Hazardous goods
C - Corrosive materials
Corrosive substance
Risk Terms R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38 - Irritates eyes, respiratory system and skin.
R42 - May be sensitized by inhalation.
R34 - Cause burns.
R41 - Serious damage to the eyes.
R38 - Irritates the skin.
Safety terms S22 - Do not inhale dust.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37 - Wear appropriate protective clothing and gloves.
S45 - In case of accident or if you feel unwell, seek medical attention immediately (show the label if possible).
S36/37/39 - Wear appropriate protective clothing, gloves and goggles or mask.
Dangerous Goods Transport No. UN 2811 6.1/PG 3
WGK Germany 3
RTECS CZ6150000
Customs No. 29291010
Hazard Class 6.1
Packing Group III
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