8-Mercaptoquinoline

8-Mercaptoquinoline
Names
	Preferred IUPAC name Quinoline-8-thiol
	Other names 8-Quinolinethiol; Mercaptoquinoline; Thiooxine
Identifiers
CAS Number	491-33-8;
3D model ( JSmol)	Interactive image;
ChemSpider	86692;
PubChem CID	96028;
UNII	F77S9F93J4 ;
CompTox Dashboard (EPA)	DTXSID70197678 ;
	InChI InChI=1S/C9H7NS/c11-8-5-1-3-7-4-2-6-10-9(7)8/h1-6,11H Key: MHTSJSRDFXZFHQ-UHFFFAOYSA-N; InChI=1/C9H7NS/c11-8-5-1-3-7-4-2-6-10-9(7)8/h1-6,11H Key: MHTSJSRDFXZFHQ-UHFFFAOYAD;
	SMILES c1cc2cccnc2c(c1)S;
Properties
Chemical formula	C9H8NS
Molar mass	162.23 g·mol−1
Appearance	Colorless crystaline powder
Melting point	58.5 °C (137.3 °F; 331.6 K)
Boiling point	296 °C (565 °F; 569 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

8-Mercaptoquinoline is the

chelating agent. The compound is a colorless solid.^[1]

Preparation

Quinoline reacts with chlorosulfuric acid to form quinoline-8-sulfonyl chloride, which reacts with triphenylphosphine in toluene to form 8-mercaptoquinoline.^[2]

ISSN 0378-7753
.

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