1-propanethiol
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | 1-propanethiol | |||||||||||||||
other names |
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Molecular formula | C 3 H 8 S | |||||||||||||||
Brief description |
moisture-sensitive, volatile, colorless liquid with an unpleasant odor |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | 76.16 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
0.84 g cm −3 |
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Melting point |
−113 ° C |
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boiling point |
68 ° C |
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Vapor pressure |
165 mbar (20 ° C) |
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solubility |
heavy in water (1.9 g l −1 at 25 ° C) |
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Refractive index |
1.438 (20 ° C, 589 nm) |
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safety instructions | ||||||||||||||||
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Toxicological data | ||||||||||||||||
Thermodynamic properties | ||||||||||||||||
ΔH f 0 |
−99.9 kJ / mol |
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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 |
1-Propanethiol is a chemical compound from the group of thiols and isomeric to 2-Propanethiol .
Extraction and presentation
1-Propanethiol can, for example, be obtained by reacting 1-propanol with hydrogen sulfide .
properties
1-Propanethiol is a moisture-sensitive, volatile, colorless liquid with an unpleasant odor that is sparingly soluble in water. It escapes from freshly cut onions.
use
1-Propanethiol is used to make other chemical compounds (e.g. ethoprophos ).
safety instructions
The vapors of 1-propanethiol can form an explosive mixture with air ( flash point approx. −15 ° C).
Individual evidence
- ↑ a b c d e f g h i j k Entry on 1-propanethiol in the GESTIS substance database of the IFA , accessed on August 3, 2018(JavaScript required) .
- ↑ Data sheet 1-propanethiol (PDF) from Merck , accessed on October 21, 2011.
- ↑ David R. Lide (Ed.): CRC Handbook of Chemistry and Physics . 90th edition. (Internet version: 2010), CRC Press / Taylor and Francis, Boca Raton, FL, Standard Thermodynamic Properties of Chemical Substances, pp. 5-25.
- ↑ Burdock, GA (ed.): Fenaroli's Handbook of Flavor Ingredients. 3rd edition, volumes 1-2. Boca Raton, FL, CRC Press 1994-1995, p. 702.
- ↑ Eberhard Breitmaier, Günther Jung: Organic chemistry . Thieme, 2005, ISBN 978-3-13-541505-5 ( page 407 in the Google book search).
- ↑ Thomas A. Unger: Pesticide synthesis handbook . 1996, ISBN 978-0-8155-1401-5 ( page 353 in the Google book search).