Ethyl thiocyanate
Structural formula | |||||||||||||||||||
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General | |||||||||||||||||||
Surname | Ethyl thiocyanate | ||||||||||||||||||
other names |
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Molecular formula | C 3 H 5 NS | ||||||||||||||||||
Brief description |
colorless liquid with an unpleasant odor |
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External identifiers / databases | |||||||||||||||||||
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properties | |||||||||||||||||||
Molar mass | 87.15 g mol −1 | ||||||||||||||||||
Physical state |
liquid |
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density |
1.0071 g cm −3 (23 ° C) |
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Melting point |
−85.5 ° C |
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boiling point |
146 ° C |
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solubility |
practically insoluble in water |
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Refractive index |
1.462 (20 ° C) |
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safety instructions | |||||||||||||||||||
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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
- ↑ 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) .
- ↑ a b Data sheet Ethyl thiocyanate, 97% from Sigma-Aldrich , accessed on July 31, 2016 ( PDF ).
- ↑ 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.
- ↑ 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).