1,Formula: Na2HPO4; Na2HPO4·nH2O (n = 2,7 or 12)
2,Formula wt: anhydrous 141.96; Formula wt, dihydrate 177.99
3,CAS: anhydrous [7558-79-4]; CAS: dihydrate [10028-24-7]
5,Specificity: Colorless crystal, easily soluble in water, insoluble in ethanol, relative density 1.63,melting point 34.6°C,when heated to 180°C,it may lose crystal water, convert to anhydrous.
5,Packing: 25kg net paper bag with PE liner
Specifications
1)used as gent for baking to avoid oxidation stain
2)used as emulsifier in dairy product to prevert egg white from solidifica
Quality index | GB25568-2010 | FCC,1996 |
Assay (as Na2HPO4) , ≥% | 98.0 | 98.0 |
As ,≤% | 0.0003 | 0.0003 |
Heavy Metal(Pb), ≤% | 0.001 | 0.001 |
Pb≤% | 0.0004 | --- |
Fluoride, ≤% | 0.005 | 0.005 |
Water insoluble matter,≤% | 0.2 | 0.2 |
Lodd degree on dry≤% | 5.0 | 5.0 |
18.0-22.0 | 18.0-22.0 | |
61.0 | 61.0 | |
P2O5≥% | 49.0 (Na2HPO4) | 49.0 (Na2HPO4) |