| Chemical name | Disodium Dihydrogen Pyrophosphate, Sodium Acid Pyrophosphate |
| Molecular formula | Na2H2P2O7 |
| Molecular Weight | 221.94 |
| Performance | white monoclinic crystal powder. Its relative density is 1.86. It is soluble in water, insoluble in alcohol. It hydrolyzes to orthophosphate when heated in acid medium. It is hygroscopic, forms hexahydrate in damp air, and decomposes to metaphosphate at above 220ºC |
| Quality standards | (FCC-V,GB25567-2010)| Name of index | FCC-V | GB25567-2010 | | Content (as counted by Na2H2P2O7) ≥ % | 93.0-100.5 | 93.0-100.5 | | Water Insoluble% ≤% | 1.0 | 1.0 | | PH (1% aqueous solution) | - | 3.5-4.5 | | Arsenic(As), % ≤ | 0.0003 | 0.0003 | | Heavy Metals (as Pb), %≤ | - | 0.001 | | Fluoride(F), % ≤ | 0.005 | 0.005 | | Pb % ≤ | 0.0002 | 0.0002 |
|
| Uses | In food industry, it is used as rapid ferment agent, quality improver and applied as acid component of bread and cake's synthetic leavening agent. Mixed with other phosphates can be applied to water retention of meat product, such as canned meat, cooked ham, meat can and instant noodles. 7. Packing: In 25kg composite plastic woven/paper bag with PE liner . |
| Packing | In 25kg composite plastic woven/paper bag with PE liner. |
| Storage and transport | It should be stored in a dry and ventilative warehouse and kept away from moisture and poisonous substances. Handled with care, so as to avoid damage to packing bags. |
| | |
Complaint
