2-Acetylthiophene

2-Acetylthiophene
Names
	Other names 2-acetothienone, methyl thienyl ketone
Identifiers
CAS Number	88-15-3 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:179841;
ChEMBL	ChEMBL401911;
ChemSpider	6654;
ECHA InfoCard	100.001.640
EC Number	201-804-6;
PubChem CID	6920;
UNII	5ASO208T20;
CompTox Dashboard (EPA)	DTXSID2058960 ;
	InChI InChI=1S/C6H6OS/c1-5(7)6-3-2-4-8-6/h2-4H,1H3 Key: WYJOVVXUZNRJQY-UHFFFAOYSA-N;
	SMILES CC(=O)C1=CC=CS1;
Properties
Chemical formula	C6H6OS
Molar mass	126.17 g·mol−1
Appearance	yellow liquid
Melting point	9 °C (48 °F; 282 K)
Boiling point	214 °C (417 °F; 487 K)
Hazards
	GHS labelling:[1]
Pictograms
Signal word	Warning
Hazard statements	H302, H312, H332
Precautionary statements	P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P312, P322, P330, P361, P363, P405, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

2-Acetylthiophene is an organosulfur compound with the formula CH₃C(O)C₄H₃S. A yellow liquid, it is the more useful of the two isomers of acetylthiophene. It is of commercial interest as a precursor to both thiophene-2-carboxylic acid and thiophene-2-acetic acid.[2] It is prepared by the reaction of thiophene with acetyl chloride in the presence of stannic chloride.[3]

References

"2-Acetylthiophene". pubchem.ncbi.nlm.nih.gov. Retrieved 9 January 2022.
Swanston, Jonathan (2006). "Thiophene". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a26_793.pub2. ISBN 3527306730.
John R. Johnson, G. E. May (1938). "2-Acetothienone". Organic Syntheses. 18: 1. doi:10.15227/orgsyn.018.0001.

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