2-propanethiol

Structural formula
General
Surname	2-propanethiol
other names	Propane-2-thiol ( IUPAC ) 2-propyl mercaptan i-propyl mercaptan Isopropyl mercaptan Isopropanethiol
Molecular formula	C 3 H 8 S
Brief description	moisture-sensitive, volatile, colorless liquid with an unpleasant odor
External identifiers / databases
CAS number 75-33-2 EC number 200-861-4 ECHA InfoCard 100,000,784 PubChem 6364 Wikidata Q209470
properties
Molar mass	76.16 g mol −1
Physical state	liquid
density	0.81 g cm −3
Melting point	−130 ° C
boiling point	51-53 ° C
Vapor pressure	605 hPa (37 ° C)
solubility	heavy in water
Refractive index	1.4255 (20 ° C, 589 nm)
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 225-317-410 P: 210-240-273-280-302 + 352-403 + 233
Toxicological data	> 2000 mg kg −1 ( LD 50 ,  rat ,  oral )
Thermodynamic properties
ΔH f 0	−105.9 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

2-Propanethiol is a chemical compound from the group of thiols and is isomeric to 1-Propanethiol .

properties

2-Propanethiol is a moisture-sensitive, volatile, colorless liquid with an unpleasant odor that is sparingly soluble in water.

safety instructions

The vapors of 2-propanethiol form an explosive mixture with air ( flash point −34 ° C).

Individual evidence

1. ↑ ^{a b c d e f} Entry on 2-propanethiol in the GESTIS substance database of the IFA , accessed on January 9, 2019(JavaScript required) .
2. ↑ ^{a b c d e f} data sheet 2-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.