Chemical Name: | disodium dihydrogen pyrophosphate , Sodium acid pyrophosphate |
Molecular Formula: | Na2H2P2O7 |
Molecular Weight: | 221.94 |
CAS: | 7758-16-9 |
Character: | hite monoclinic system crystalline powder or fused mass. It has accessibility. Easily soluble in water, insoluble in ethanol. |
Uses: | In food processing industry, it is used as buffering, swelling agent, chelae agent, stabilizers, emulsifier, and color improver. |
Packing: | It is packed with polyethylene bag as liner and a compound paper-plastic woven bag as the outer layer. The net weight of each bag is 25kg. |
Storage & Transportation: | It should be stored in a dry and ventilate warehouse, kept away from moisture and hot. Furthermore, it should be stored separately from poisonous substances. Unload with care as to avoid damage to packing. |
Quality index: | Name of index | FCC-V | GB25567-2010 | Content (as 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
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