Pentachlorobenzenethiol

Structural formula
General
Surname	Pentachlorobenzenethiol
other names	Pentachlorothiophenol PCTP
Molecular formula	C 6 HCl 5 S
Brief description	gray solid with an unpleasant odor
External identifiers / databases
CAS number 133-49-3 EC number 205-107-8 ECHA InfoCard 100.004.644 PubChem 8620 Wikidata Q1754155
properties
Molar mass	282.38 g mol −1
Physical state	firmly
density	2.01 g cm −3
Melting point	223-227 ° C
solubility	practically insoluble in water (4.2 mg l −1 at 20 ° C)
safety instructions
GHS labeling of hazardous substances Caution H and P phrases H: 319 P: 305 + 351 + 338
Toxicological data	100 mg kg −1 ( LD 50 ,  mouse ,  ip )
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Pentachlorobenzenethiol is a chemical compound from the group of thiols and organic chlorine compounds .

Extraction and presentation

Pentachlorobenzenethiol can be obtained from hexachlorobenzene .

properties

Pentachlorobenzenethiol is a flammable gray solid with an unpleasant odor, which is practically insoluble in water. It has a monoclinic crystal structure.

use

Pentachlorobenzenethiol is used in the rubber industry as an aid in mastication .

Individual evidence

1. ↑ ^{a b c} Entry for CAS no. 133-49-3 in the GESTIS substance database of the IFA , accessed on July 11, 2011(JavaScript required) .
2. ^ ^{A b} G. Wojcik, GP Charbonneau, Y. Delugeard and L. Toupet: The disordered crystal structure of pentachlorothiophenol , Acta Cryst. (1980). B36, 506-507, doi : 10.1107 / S0567740880003706 .
3. ↑ ^{a b c d} data sheet pentachlorothiophenol from Sigma-Aldrich , accessed on July 11, 2011 ( PDF ).
4. ↑ ^{a b} State Institute for Environmental Protection Baden-Württemberg: HCB substance report (PDF; 1.7 MB).
5. ↑ Patent-de: Use of dialkyl polysulfides for mastication of natural and synthetic rubbers .