Tetrahydrothiophen-3-one CAS NO.1003-04-9

Name	Tetrahydrothiophen-3-one/3-Thiophanone
Synonyms	Dihydro-3-(2H)-thiophenone; 4,5-Dihydro-3(2H)thiophenone; Dihydrothiophen-3(2H)-one
CAS NO.	1003-04-9
Molecular Formula	C4H6OS
Molecular Weight	102.15
EINECS	213-698-9
FEMA	3266
Odor	Smells of Rich Meat Aroma, Green Onion and Garlic Flavor, Sulfide Flavor
Appearance	Yellow Liquid
Purity	99% Min
Density	1.04
B.P.	200-202 ºC
Flash Point	68 ºC

Item	Standard		Test Results
Identification	A.H-NMR:Comply with the structure		Complies
	B.LC-MS:Comply with the structure		Complies
	C.The IR spectrum of sample should be identical with that of reference standard;		Complies
	D.HPLC-ESI-MS		Complies
	The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.
Heavy metals	≤10 ppm		<10ppm
Water	≤1.0%		0.10%
Sulphated ash	≤0.5%, determined on 1.0 g.		0.01%
Related substances	Unspecified impurities: for each impurity	≤0.10%	<0.10%
	Total Impurity	≤0.5%	0.18%
Purity	≥99.0%		99.70%
Assay	99.0%~101.0% (anhydrous substance).		99.80%
Storage	Preserve in well-closed, light-resistant and airtight containers.		Complies