m-Tolyl isocyanate Chemical Properties

Boiling point:

75-76 °C12 mm Hg(lit.)

Density 

1.033 g/mL at 25 °C(lit.)

vapor pressure 

56.3Pa at 25℃

refractive index 

n20/D 1.5305(lit.)

Flash point:

150 °F

storage temp. 

2-8°C

form 

clear liquid

color 

Colorless to Yellow to Orange

Water Solubility 

10g/L at 20℃

Sensitive 

Moisture Sensitive

BRN 

386149

LogP

1.4

CAS DataBase Reference

621-29-4(CAS DataBase Reference)

NIST Chemistry Reference

Benzene, 1-isocyanato-3-methyl-(621-29-4)

EPA Substance Registry System

Benzene, 1-isocyanato-3-methyl- (621-29-4)

Safety Information

Hazard Codes 

T+

Risk Statements 

26-36/37/38-42

Safety Statements 

23-26-36/37/39-45

RIDADR 

UN 2206 6.1/PG 2

WGK Germany 

2

RTECS 

CZ6315000

F 

10-21

TSCA 

Yes

HazardClass 

6.1

PackingGroup 

II

HS Code 

29291090

MSDS

• Language:English Provider:1-Isocyanato-3-methylbenzene
• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

m-Tolyl isocyanate Usage And Synthesis

Chemical Properties

Clear colorless to pale yellow liquid

Uses

m-Tolyl isocyanate was used as reagent during the synthesis of C5-cyclohexyl analog of the cholecystokinin type-B receptor antagonist L-365,260.

General Description

m-Tolyl isocyanate undergoes polymerization reaction to form the corresponding polymers by using lanthanum isopropoxide as initiator.

Flammability and Explosibility

Non flammable

m-Tolyl isocyanate(621-29-4)Related Product Information

• Isocyanatocyclohexane
• ISOCYANIC ACID
• Phenyl isothiocyanate
• Chlorosulfonyl isocyanate
• Propyl isocyanate
• Isopropyl isocyanate
• Pentyl isocyanate
• Ethyl isocyanate
• Butyl isocyanate
• Ethyl Isocyanatoacetate
• 2-FLUORO-5-METHYLPHENYL ISOCYANATE
• Methyl isothiocyanate
• Ethyl isocyanoacetate
• 3-Isocyanatopropyltriethoxysilane
• Isothiazolinones
• 2-Isocyanatoethyl Acrylate
• TERT-BUTYL ISOCYANIDE
• CYCLOOCTYL ISOCYANATE 97