Product : chromium picolinate (chromium tripicolinate) Chemical family : nitrogen heterocycle, metal salt. C.A.S. Registry : 14639 25 9 Mol. Wt. : 418.30 Chemical formula : c18 h12 n3 o6 cr. Appearance : red/reddish coloured fine powder. Particle size : 100 mesh 200 mesh. Purity (assay) : 98 - 99 . Potency : minimum hromium content 11.5 (generally, more than 12 ). Solubility : insoluble in water/organic solvent. Ph of suspension : approx 3.5 5.5 Loss on drying : not more than 3 . Heavy metals : passes as per u.S.P. 4 (not more than 20 ppm). Chloride content : less than 0.06 . Sulphate content : less than 2000 ppm. ( 0.2 ) Arsenic : less than 1 ppm. Mercury : less than 1 ppm. Microbial limits Total plate count : less than 10/g E.Coli : - ve Salmonella : - ve Packing : 5 kgs./10 kgs./25 kgs.