| ≥1 piece |
Chemical Name: Disodium Hydrogen Phosphate
Molecular Weight: 358.0
Appearance: White crystallize grain or no colour inclined square crystallize. Easily melt in water, can not melt in ethyl alcohol Aqueous is alkaline. Opposite density of dodecahydrate is 1.52, heated at tempreture 34-35 will melt in crystallize water. It will loose all crystallize water at tempreture 180.
Quality standard: HG2920-2000
Packing: It is packed with two, a polyethylene bag as liner and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
| Name of index | Na 2 HPO 4 | Na 2 HPO 4 · 2H 2 O | Na 2 HPO 4 · 12H 2 O |
| Food Grade | Food Grade | Food Grade | |
| Main content(As Na 2 HPO 4 )≥ % | 98.0 | 98.0 | 98.0 |
| Heavy metals (As Pb)≤ % | 0.001 | 0.001 | 0.001 |
| As ≤ % | 0.0003 | 0.0003 | 0.0003 |
| Fluoride ≤ % | 0.005 | 0.005 | 0.005 |
| Water insolubles ≤ % | 0.20 | 0.20 | 0.20 |
| Loss on drying, ≤ % | 5.0 | 18.0-22.0 | 61 |