1、Chemical Name:Sodium diacetate
2、Molecular Formula :C4H7Na O4·xH2O
3、Molecular Weight: 142.09 (Anhydride)
4、CAS: 126-96-5
5、Character: White crystalline granule or powder; With acetic acid smell. Deliquescent; Highly soluble in water (1g/ml), and create acetic acid with 42.25%. The PH value of aqueous solution with 10% is between 4.5 and 5.0. It will be broken up when heated to 150℃. Flammable.
6、Usage: It is used as preservative, mildew-retarding agent, acidity regulator, and chelating agent.
7、Packing:It is packed with polythene bag as the inner layer, and polywoven bag as the outer layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry, clean, and ventilativewarehouse, 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.
Specification | GB25538-2010 |
Free acetic acid (As Dry Basis) % | 39.0~41.0 |
NaOAc (As dry Basis) % | 58.0~60.0 |
PH Value | 4.5~5.0 |
Moisture | 2.0 |
Oxidizable Substances | 0.2 |
Lead （As Pb） | 2 |