Dimeric?mercapto?propanone CAS NO.55704-78-4

Product Name:	Dimeric mercapto propanone
Synonyms:	5-diol,2,5-dimethyl-4-dithiane-2;2,5-dimethyl-2,5-dihydroxy-1,4-disulphocyclohexane;1,4-Dithiane-2,5-diol, 2,5-dimethyl-;2,5-DIHYDROXY-2,5-DIMETHYL-1,4-DITHIANE 95+%;2,5-Dihydroxy-2,5-dimethyl-1,4-dithiane;2,5-Dimethyl-2,5-dihydroxy-1,4-disulfocyclohexane;Dimeric mercapto propanone;Dineric mercapto acetone
CAS:	55704-78-4
MF:	C6H12O2S2
MW:	180.29
EINECS:	259-770-3
Product Categories:	API intermediates;aldehyde Flavor;Sulfides flavors
Mol File:	55704-78-4.mol

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 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.	Complies
Crystallinity	meets the requirements.	Complies
Loss on drying	≤2.0%	0.19%
Heavy metals	≤10 ppm	<10ppm
Water	≤1.0%	0.1%
Sulphated ash	≤0.5%, determined on 1.0 g.	0.009%
Related substances	Unspecified impurities: for each impurity ≤0.10%	<0.10%
Related substances	Total Impurity ≤0.5%	0.18%
Purity	≥99.0%	99.7%
Assay	99.0%~101.0% (anhydrous substance).	99.8%
Storage	Preserve in well-closed, light-resistant and airtight containers.	Complies