2. Molecular Formula: C6H9NaO7
3. Molecular Weight: 216.121
4. CAS: 9005-38-3
5. EINECS: 905-385-3
6. Character: White or light yellow powder. Odorless and tasteless. It dissolves slowly in water, forming a viscous solution, and is insoluble in ethanol, chloroform or ether.
7. Usage: It is used as a food additive and in drugs, adsorbing heavy metal ions, and has mucosal protection and hemostatic effects.
8. Packing: It is packed with polythene bag as the inner layer, and plastic woven bag as the outer layer. 500KG net each jumbo bag; 25KG net each small bag.
9. Storage and Transport: It should be stored in a dry, clean, and ventilated warehouse, kept away from water and moisture during transport, unload with care so as to avoid damaging the bags. Be cautious to keep away from moisture and hot.
10. Specification
| ITEMS | STANDARD |
| COLOR AND CHARACTER | Milky white to light yellow or light yellowish-brown powder or granular |
| PH | 6.0-8.0 |
| WATER UNSOLUABLE | ≤ 0.6 |
| LIGHT TRANMITTANCE/% | Passes test |
| VISCOSITY/mpa.s/20℃ | Passes test |
| MOITURE/% | ≤ 15.0 |
| ASH/% | 18-27 |
| LEAD（pb）mg/kg | ≤ 4 |
| ARSENIC（As）mg/kg | ≤ 2 |