1-propanethiol

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Structural formula
Structural formula of 1-propanethiol
General
Surname 1-propanethiol
other names
  • Propane-1-thiol ( IUPAC )
  • Propanethiol
  • Propyl mercaptan
  • Propyl thio alcohol
  • Propylthiol
  • n -propylthiol
  • 1-mercaptopropane
  • Mercaptan C3
Molecular formula C 3 H 8 S
Brief description

moisture-sensitive, volatile, colorless liquid with an unpleasant odor

External identifiers / databases
CAS number 107-03-9
EC number 203-455-5
ECHA InfoCard 100.003.142
PubChem 7848
Wikidata Q161679
properties
Molar mass 76.16 g mol −1
Physical state

liquid

density

0.84 g cm −3

Melting point

−113 ° C

boiling point

68 ° C

Vapor pressure

165 mbar (20 ° C)

solubility

heavy in water (1.9 g l −1 at 25 ° C)

Refractive index

1.438 (20 ° C, 589 nm)

safety instructions
GHS labeling of hazardous substances
02 - Highly / extremely flammable 07 - Warning 09 - Dangerous for the environment

danger

H and P phrases H: 225-302-319-400
P: 210-260-273-305 + 351 + 338-403 + 235
Toxicological data

1790 mg kg −1 ( LD 50ratoral )

Thermodynamic properties
ΔH f 0

−99.9 kJ / mol

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

  1. 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) .
  2. Data sheet 1-propanethiol (PDF) from Merck , accessed on October 21, 2011.
  3. 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.
  4. Burdock, GA (ed.): Fenaroli's Handbook of Flavor Ingredients. 3rd edition, volumes 1-2. Boca Raton, FL, CRC Press 1994-1995, p. 702.
  5. Eberhard Breitmaier, Günther Jung: Organic chemistry . Thieme, 2005, ISBN 978-3-13-541505-5 ( page 407 in the Google book search).
  6. Thomas A. Unger: Pesticide synthesis handbook . 1996, ISBN 978-0-8155-1401-5 ( page 353 in the Google book search).