4-Methyl-4-mercapto-pentan-2-one CAS NO.19872-52-7

Name	4-Methyl-4-mercapto-pentan-2-one
Synonyms	4-Mercapto-4-methylpentan-2-one; 4-Methyl-4-thiolpentan-2-one;2-Pentanone,4-mercapto-4-methyl
CAS NO.	19872-52-7
Molecular Formula	C6H12OS
EINECS	243-386-8
Molecular Weight	132.22
Appearance	Colorless to Light Yellow Liquid
Odor	Meat Aroma, Blackcurrant Aroma
Purity	99% Min
Density	0.952 g/cm3
B.P.	181.7ºC at 760 mmHg
Refractive Index	1.456
Flash Point	63.7ºC

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