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374675-64-6

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Basic Information
CAS No.: 374675-64-6
Name: P-TOLYL ISOCYANATE
Article Data: 132
Molecular Structure:
Molecular Structure of 374675-64-6 (P-TOLYL ISOCYANATE)
Formula: C8H7 N O
Molecular Weight: 133.15
Synonyms: p-Toluene isocyanate;p-Methylphenyl isocyanate;4-Methylphenyl isocyanate;p-Isocyanatotoluene;4-Isocyanatotoluene;Benzene,1-isocyanato-4-methyl;4-Tolyl isocyanate;
Density: 1.056 g/mL at 25 °C(lit.)
Boiling Point: 70-72 °C10 mm Hg(lit.)
Flash Point: 152 °F
Hazard Symbols: Xn
PSA: 29.43000
LogP: 1.96230
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Chemistry

 p-Tolyl isocyanate ,its CAS register number is 374675-64-6,it's called for Isocyanic acid p-tolyl ester ; 4-Tolyl isocyanate ; p-Methyl phenyl isocyanate ; 4-Methylphenylisocyanate ; 1-Isocyanato-4-methylbenzene ; para-tolyl isocyanate ,and so on.

IUPAC Name: 1-Isocyanato-4-methylbenzene
CAS: 374675-64-6
Molecular Formula: C8H7NO
Molecular Weight: 133.15
Molecular structure:
EINECS: 210-743-4
Storage temp.:  0-6°C
ACD/LogD (pH 5.5): 3.04 
ACD/LogD (pH 7.4): 3.04 
ACD/BCF (pH 5.5): 120.81 
ACD/BCF (pH 7.4): 120.81 
ACD/KOC (pH 5.5): 1076.42 
ACD/KOC (pH 7.4): 1076.42 
H bond acceptors: 2 
H bond donors: 0 
Freely Rotating Bonds: 1 
Index of Refraction: 1.518 
Molar Refractivity: 40.58 cm3 
Molar Volume: 133.7 cm3 
Polarizability: 16.08 10-24cm3 
Surface Tension: 35.4 dyne/cm 
Density: 0.99 g/cm3 
Flash Point: 63.9 °C 
Enthalpy of Vaporization: 42.68 kJ/mol 
Boiling Point: 190.6 °C at 760 mmHg 
Vapour Pressure: 0.537 mmHg at 25°C 

Uses

 p-Tolyl isocyanate (CAS No.374675-64-6) is supposed to be used as chemical reagent.

Toxicity Data With Reference

RTECS:  DA3681666

Safety Profile

Hazard Codes:  Xn
Risk Statements:  20/21/22-36/37/38-42 (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:  23-26-45 (S23:Do not breathe vapour. 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 the label whenever possible.) )
WGK Germany:  3
F:  21

Specification

Removal in wastewater treatment of p-Tolyl isocyanate (CAS No.374675-64-6) can be stated as follows:
Total removal:16.86  percent
Total biodegradation:0.12  percent
Total sludge adsorption:6.54  percent
Total to Air:10.20  percent
(using 10000 hr Bio P,A,S)