METHYL SULPHONYL METHANE

Description

Sr. No.	Test Parameter	Specification	Reference
1.0	Description	White crystalline powder or flake crystal.	In-house
2.0	Identification Test		In-house
2.1	IR identification	The IR spectrum of sample should be concordant with the IR spectrum of the MSM working standard.	In-house
2.2	Retention time	The retention time of sample assay peak corresponds to the standard peak.	In-house
3.0	Solubility	Soluble in water.	In-house
4.0	Water content	Not more than 0.1 % w/w.	In-house
5.0	Melting point	108.50 to 110.50 ⁰C.	In-house
6.0	Particle size	100 % passing through 40 mesh.	In-house
7.0	Assay	98.00 – 102.00 % w/w.	In-house
8.0	Chromatographic purity	Not less than 99.80 % w/w.	In-house
9.0	Dimethyl Sulfoxide	Not more than 0.1 % w/w.	In-house
10.0	Any other individual impurity (%)	Not more than 0.05 % w/w.	In-house
11.0	Heavy metals	Not more than 3 ppm	In-house
12.0	Total aerobic microbial count	Not more than 1000 CFU /gm.	In-house
13.0	Total combined yeast and mould count	Not more than 100 CFU /gm.	In-house
14.0	Enterobacteriaceae count	Not more than 10 CFU /gm.	In-house
15.0	Pathogen
15.1	E. coli.	To be absent.	In-house
15.2	S. typhi	To be absent.	In-house
15.3	S. aureus	To be absent.	In-house
15.4	P. aeruginosa	To be absent.	In-house

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