Ethyl thiocyanate

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Structural formula
Structural formula of ethyl thiocyanate
General
Surname Ethyl thiocyanate
other names
  • Ethyl thiocyanate
  • Ethyl rhodanide
Molecular formula C 3 H 5 NS
Brief description

colorless liquid with an unpleasant odor

External identifiers / databases
CAS number 542-90-5
EC number 208-833-3
ECHA InfoCard 100.008.031
PubChem 10968
ChemSpider 10503
Wikidata Q5404512
properties
Molar mass 87.15 g mol −1
Physical state

liquid

density

1.0071 g cm −3 (23 ° C)

Melting point

−85.5 ° C

boiling point

146 ° C

solubility

practically insoluble in water

Refractive index

1.462 (20 ° C)

safety instructions
GHS labeling of hazardous substances
02 - Highly / extremely flammable 07 - Warning

Caution

H and P phrases H: 226-302 + 312 + 332
P: 210-261-280-301 + 312 + 330-370 + 378
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

Thiocyanic acid ethyl ester is a chemical compound from the group of thiocyanates . It is isomeric to ethyl isothiocyanate .

Extraction and presentation

Ethyl thiocyanate can be obtained by reacting ethylsulfenyl chloride with sodium cyanide .

properties

Thiocyanic acid ethyl ester is a colorless, flammable liquid with an unpleasant odor, which is practically insoluble in water.

use

Ethiocyanate is used in the synthesis of hydrogen cyanide , where it is reduced with dithiothreitol . It is also used as an insecticide .

safety instructions

The vapors of ethyl thiocyanate can form an explosive mixture with air ( flash point 42 ° C).

Individual evidence

  1. a b c d e f g h i j Entry on ethyl thiocyanate in the GESTIS substance database of the IFA , accessed on January 9, 2019(JavaScript required) .
  2. a b Data sheet Ethyl thiocyanate, 97% from Sigma-Aldrich , accessed on July 31, 2016 ( PDF ).
  3. Patent US2572564 : Preparation of alkyl thiocyanates. Filed December 21, 1948 , published October 23, 1951 , Applicant: Phillips Petroleum Co., Inventor: Lee O. Edmonds, Chester M. Himel.
  4. Richard P. Pohanish: Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens . William Andrew, 2011, ISBN 978-1-4377-7869-4 , pp. 3034 ( limited preview in Google Book search).