4-isopropylphenyl isocyanate

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Structural formula
Structural formula of 4-isopropylphenyl isocyanate
General
Surname 4-isopropylphenyl isocyanate
other names
  • p -isopropylphenyl isocyanate
  • 4-isopropylphenyl isocyanate
  • p -Cumyl isocyanate
Molecular formula C 10 H 11 NO
Brief description

colorless to yellowish liquid with a pungent odor

External identifiers / databases
CAS number 31027-31-3
EC number 250-439-9
ECHA InfoCard 100.045.840
PubChem 94416
Wikidata Q55524624
properties
Molar mass 161.20 g mol −1
Physical state

liquid

density

1.01 g cm −3

Melting point

−60 ° C

boiling point

220 ° C

Vapor pressure

0.1 hPa (20 ° C)

solubility
  • decomposes in water
  • soluble in organic solvents (e.g. chlorobenzene )
  • almost insoluble in fat
Refractive index

1.5205 (20 ° C)

safety instructions
GHS labeling of hazardous substances
05 - Corrosive 06 - Toxic or very toxic 08 - Dangerous to health 09 - Dangerous for the environment

danger

H and P phrases H: 330-314-317-334-335-410
P: 301 + 310-304 + 340-305 + 351 + 338-320-330-405-501
Toxicological data

5000 mg kg −1 ( LD 50 ,  rat ,  oral )

As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

4-Isopropylphenyl isocyanate is a chemical compound from the group of organic isocyanates .

Extraction and presentation

4-Isopropylphenyl isocyanate can be obtained by reacting cumidine with phosgene .

properties

4-Isopropylphenyl isocyanate is a flammable, difficult to ignite, colorless to yellowish liquid with a pungent odor that decomposes in water.

use

4-Isopropylphenyl isocyanate is used as an intermediate in the manufacture of pesticides .

safety instructions

The vapors of 4-isopropylphenyl isocyanate can form an explosive mixture with air ( flash point 91 ° C, ignition temperature approx. 450 ° C).

Individual evidence

  1. ↑ a b c d e f g h i j k Entry on 4-isopropylphenyl isocyanate in the GESTIS substance database of the IFA , accessed on February 14, 2018(JavaScript required) .
  2. ↑ a b c d Toxicological assessment of 4-isopropylphenyl isocyanate (PDF) at the trade association for raw materials and chemical industry (BG RCI), accessed on May 1, 2018.
  3. ↑ a b Data sheet 4-Isopropylphenyl isocyanate, 98% from AlfaAesar, accessed on February 14, 2018 ( PDF )(JavaScript required) .