1. Appearance: White ,bright , pure crystals
2. Color in Solution: Transparent
3. Odor: Typical MSG mono sodium glutamate
4. Assay: 99.0% min (as Monosodium glutamate monohydrate)
5. PH: 6.7-7.2(5.0% solution)
6. Specific rotation: +24.8% - +25.3%
7.Dry reduction (105c,5hrs): 0.5% max
8. Solubility: 74g/100ml water at 25 degrees Celsius ,105.0g/100ml water at 60 degrees Celsius
9. Sodium Content: 12.3% max
10. Chloride: 0.2% max (as Cl)
11. Arsenic: 0.5 ppm max (as As)
12. Heavy Metals (as Pb): 10ppm max
13. Leads(Pb): 10ppm max