Sodium 3,5-chloro-6-hydroxybenzenesulfonate CAS NO.54970-72-8

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Name	Sodium 3,5-chloro-6-hydroxybenzenesulfonate
Synonyms	3,5-Dichloro-2-hydroxybenzenesulfonic acid sodium salt; HDCBS;DHBS
CAS Registry Number	54970-72-8
Molecular Formula	C6H3Cl2NaO4S
Molecular Weight	265.04
EINECS	259-416-8
Appearance	White crystal
Purity	99%min
Application	Biochemical research. Colorimetric determination of uric acid and cholesterol. Chromogenic substrate for photometric detection of hydrogen peroxide. Water-solubility, high sensitivity, good stability, it can replace 2,4-dichlorophenol with poor effect.

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
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%
Residue on ignition	≤0.1%		0.03%
Related Substances	Unspecified impurities: for each impurity	≤0.10%	<0.10%
	Total Impurities	≤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