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622-58-2

Name p-Tolyl isocyanate
CAS 622-58-2
EINECS(EC#) 210-743-4
Molecular Formula C8H7NO
MDL Number MFCD00002029
Molecular Weight 133.15
MOL File 622-58-2.mol
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Chemical Properties

Appearance CLEAR SLIGHTLY BROWN LIQUID
Melting point  155-156 °C(Solv: acetonitrile (75-05-8); hexane (110-54-3))
Boiling point  70-72 °C/10 mmHg (lit.)
density  1.056 g/mL at 25 °C(lit.)
vapor pressure  75.5Pa at 25℃
refractive index  n20/D 1.531(lit.)
Fp  152 °F
storage temp.  Refrigerator (+4°C)
form  Liquid
color  Clear slightly brown
Water Solubility  7.5g/L at 20℃
Sensitive  Moisture Sensitive
BRN  471494
InChIKey MGYGFNQQGAQEON-UHFFFAOYSA-N
LogP 1.39
CAS DataBase Reference 622-58-2(CAS DataBase Reference)
NIST Chemistry Reference Benzene, 1-isocyanato-4-methyl-(622-58-2)
EPA Substance Registry System 622-58-2(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 
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
RIDADR  2206
WGK Germany  3
RTECS  DA3681666
F  21
TSCA  Yes
HazardClass  6.1
PackingGroup  II
HS Code  29299010

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