Propionic acid chloride

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Structural formula
Structural formula of propionyl chloride
General
Surname Propionic acid chloride
other names
  • Propanoic acid chloride ( IUPAC )
  • Propionyl chloride
  • Propanoyl chloride
  • EtCOCl
Molecular formula C 3 H 5 ClO
Brief description

yellowish liquid with an unpleasant odor

External identifiers / databases
CAS number 79-03-8
EC number 201-170-0
ECHA InfoCard 100.001.064
PubChem 62324
Wikidata Q13534584
properties
Molar mass 92.53 g mol −1
Physical state

liquid

density

1.06 g cm −3

Melting point

−94 ° C

boiling point

80 ° C

Vapor pressure

83 mbar (20 ° C)

solubility

decomposes in water with violent reaction

Refractive index

1.4040

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

danger

H and P phrases H: 225-302-331-314
EUH: 014
P: 210-240-280-301 + 330 + 331-305 + 351 + 338-310-402 + 404
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

Propionyl chloride is a chemical compound from the group of organic carboxylic acid halides .

Extraction and presentation

Propionyl chloride can be obtained by reacting propionic acid with phosphorus trichloride or thionyl chloride .

properties

Propionyl chloride is a volatile, yellowish liquid with an unpleasant odor that decomposes in water. It decomposes when heated.

use

Propionyl chloride is used for the introduction of the propionyl group and for the synthesis of propionate esters.

safety instructions

Propionyl chloride vapors can form an explosive mixture with air ( flash point 12 ° C, ignition temperature 270 ° C).

Individual evidence

  1. ↑ a b c d e f g h i j Entry on propionyl chloride in the GESTIS substance database of the IFA , accessed on January 8, 2018(JavaScript required) .
  2. ↑ LA Valitova, EV Popova, Sh. N. Ibragimov, BE Ivanov: Reaction of phosphorus trichloride with carboxylic acids . In: Bulletin of the Academy of Sciences of the USSR Division of Chemical Science . tape 39 , no. 2 , February 1990, ISSN  0568-5230 , p. 366-370 , doi : 10.1007 / BF00960670 .
  3. ↑ Entry on Propionyl chloride in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on August 1, 2016. Manufacturers or distributors can expand the harmonized classification and labeling .
  4. ^ Henry E. Roscoe, Carl Schorlemmer: Short textbook of chemistry: according to the latest views of science . Vieweg, 1871, p. 188 ( limited preview in Google Book search).
  5. ^ JT Gerig: Introductory Organic Chemistry . Elsevier, 1974, ISBN 0-323-14091-2 , pp. 279 ( limited preview in Google Book search).
  6. ^ Ullmann's Encyclopedia of Industrial Chemistry . John Wiley & Sons, 2003, ISBN 3-527-30385-5 , pp. 272 ( limited preview in Google Book search).