Curcumin 95% Analytical Specification

Appearance Orange-yellow colored powder
Solubility Slightly soluble in alcohol, soluble in acetone Soluble in glacial acetic acid. Insoluble in water.
Loss on drying (%) ( at 105 0c for 3hours) NMT 2.0
Ash content (%) NMT 1.0
Bulk density(gm/cc) Tap density (gm/cc) 0.30 to 0.50 0.50 to 0.80
Melting range 1720C to 1780C
Heavy metals (ppm) NMT 10
Arsenic (ppm) NMT 1
Lead (ppm) NMT 3
Microbial parameters Total Bacterial Count Total Fungal Count Pathogens E.coli Salmonella P.aeruginosa S.aureus NMT 1000 cfu/gm NMT 100 cfu/gm Should be absent Should be absent Should be absent Should be absent
Residual solvents Methanol(ppm) MDC (ppm) IPA (ppm) Acetone (ppm) Chloroform(ppm) NMT 3000 NMT 600 NMT 5000 NMT 5000 NMT 60