Methyl Sulfonyl Methane | Sinopharm Jiangsu Co., Ltd

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Physicochemical Specifications:

INSPECTION ITEMS	PRODUCT INDEX	INSPECTION RESULT	TEST METHOD
Assay %	98.0%-102.0%	99.97	USP42<621>
Chromatographic Purity %	≥99.8%	99.91	USP42<621>
DMSO Content %	≤0.1	0.005	USP42<621>
Any other individual impurity	≤0.05%	0.01
Total Impurities	≤0.20%	0.09
Identification	A.Infrared Absorrption	Complies	USP42<196K>
Identification	B.The retention time of the major peak of Sample solution corresponds to that of the standard solution as abtained in the Assay	Complies	USP42
Appearance	White Crystalline	White Crystalline	VISUAL
Odor	Odorless	Odorless	SMELLING
Melting Point ℃	108.5-110.5	108.7	USP42<741>
Bulk Density g/ml	≥0.65	0.69
Water Content %	≤0.10	0.09	USP42<921>
Pb ppm	≤0.1	<0.1	USP42<231>
As ppm	≤0.1	<0.1	USP42<231>
Cd ppm	≤0.1	<0.1	USP42<231>
Hg ppm	≤0.1	<0.1	USP42<231>
Residue on Ignition %	<0.10	0.01	USP42<281>
Coliform (CFU/g)	Negative	Negative	USP42<2021>
E.Coli (CFU/10g)	Negative	Negative	USP42<2022>
Yeast/Mold (CFU/g)	<10	<10	USP42<2021>
Salmonella	Negative	Negative	USP42<2021>
Standard Aerobic Plate Count(CFU/g)	<10	<10	USP42<2021>
Particle Size	40-60Mesh	Conform	SIEVE
Solubility	freely soluble in water and acetone, slightly soluble in ether, soluble in methanol.