Ethyl isocyanate

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Structural formula
Structural formula of ethyl isocyanate
General
Surname Ethyl isocyanate
other names

Ethyl isocyanate

Molecular formula C 3 H 5 NO
Brief description

colorless liquid with a pungent odor

External identifiers / databases
CAS number 109-90-0
EC number 203-717-9
ECHA InfoCard 100.003.381
PubChem 8022
Wikidata Q18214960
properties
Molar mass 71.08 g mol −1
Physical state

liquid

density

0.91 g cm −3

Melting point

<−50 ° C

boiling point

59-61 ° C

Vapor pressure

147 hPa (20 ° C)

solubility

decomposes in water

Refractive index

1.380 (20 ° C)

safety instructions
GHS hazard labeling from  Regulation (EC) No. 1272/2008 (CLP) , expanded if necessary
02 - Highly / extremely flammable 06 - Toxic or very toxic 05 - Corrosive 08 - Dangerous to health

danger

H and P phrases H: 225-302-312-330-315-317-318-334-335
P: 210-280-301 + 330 + 331-304 + 340-310-332 + 313-305 + 351 + 338
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

Ethyl isocyanate is a chemical compound belonging to the isocyanate group . It has the constitutional formula CH 3 –CH 2 –NCO.

Extraction and presentation

Ethyl isocyanate can be obtained by reacting triphosgene with ethylamine hydrochloride in xylene.

properties

Ethyl isocyanate is a highly flammable, volatile, colorless liquid with a pungent odor that decomposes in water.

use

Ethyl isocyanate is used in the manufacture of drugs and pesticides.

safety instructions

The vapors of ethyl isocyanate can form an explosive mixture with air ( flash point −10 ° C).

Individual evidence

  1. a b c d e f g h i j k Entry on ethyl isocyanate in the GESTIS substance database of the IFA , accessed on January 8, 2020(JavaScript required) .
  2. Data sheet Ethyl isocyanate, 98% from AlfaAesar, accessed on December 22, 2016 ( PDF )(JavaScript required) .
  3. Entry on ethyl isocyanate in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on December 22, 2016. Manufacturers or distributors can expand the harmonized classification and labeling .
  4. One-step synthesis of ethyl isocyanate manufacturing method: One-step synthesis of ethyl isocyanate manufacturing method ( Memento of the original from December 23, 2016 in the Internet Archive ) Info: The archive link has been inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. , Access date: December 22, 2016. @1@ 2Template: Webachiv / IABot / www.technology-x.net
  5. Richard P. Pohanish: Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, 5th Edition . William Andrew, 2008, ISBN 978-0-8155-1904-1 , pp. 1204 ( limited preview in Google Book search).