| Description | White or almost white micronized powder | Visual |
| Solubility | Sparingly soluble in alcohol & DMSO, insoluble in water | Visual |
| Identification (IR) | Matches with reference standard | IR Spectroscopy |
| Assay | NLT 98.0% | HPLC |
| pH | 6.0 – 7.0 | pH Meter |
| Melting Point | 93°C – 98°C | Melting Point Apparatus |
| Loss on Drying | NMT 1.0% w/w | Oven Method |
| Residue on Ignition | NMT 0.1% w/w | USP <281> |
| Arsenic | NMT 1 ppm | ICP-OES / AAS |
| Heavy Metals | NMT 20 ppm | ICP-OES / AAS |
| Chloride | NMT 200 ppm | Titration |
| Particle Size (D90) | ~10 micron | Laser Diffraction |
| Bulk Density (Loose) | NLT 0.2 g/cc | USP <616> |
| Tapped Density | NLT 0.3 g/cc | USP <616> |
| Palmitic Acid | NMT 0.5% w/w | GC / HPLC |
| Monoethanolamine (MEA) | NMT 0.2% w/w | GC |
| Diethanolamine (DEA) | NMT 0.2% w/w | GC |
| Single Max Impurity | NMT 0.1% w/w | HPLC |
| Total Plate Count | NMT 1000 cfu/g | Plate Count Method |
| Yeast & Mold | NMT 100 cfu/g | Plate Count Method |
| E. coli | Absent | USP / ISO |
| Salmonella | Absent | USP / ISO |
| Staphylococcus aureus | Absent | USP / ISO |
| Pseudomonas aeruginosa | Absent | USP / ISO |
