| ITEM | STANDARD |
| Appearance | White to off-white powder |
| Viscosity (1%, Brookfield LVF, # 3 Spindle, 60rpm, mPa.s) | As per need (400- 800) |
| Particle size | 95% pass 60 mesh |
| Degree of esterification (%) | >= 80 |
| loss on drying (105℃, 4h, %) | =<15 |
| pH (1%) | 3.0- 4.5 |
| Total propylene glycol (%) | 15- 45 |
| Free propylene glycol (%) | =<15 |
| Ash insolubles (%) | =<1 |
| Arsenic (As) | =<3 mg/kg |
| Lead (Pb) | =<5 mg/kg |
| Mercury (Hg) | =<1 mg/kg |
| Cadmium(Cd) | =<1 mg/kg |
| Heavy metals (as Pb) | =<20 mg/kg |
| Total plate count (cfu/g) | =< 5000 |
| Yeast & mould (cfu/g) | =< 500 |
| Salmonella spp./ 10g | Negative |
| E. Coli/ 5g | Negative |