Molecular formula: NaH2PO4.-2H2O
Molecular weight: 137.99
National Standard: GB1886.336-2021
CAS Number: 13472-35-0
Other Name: Monosodium Phosphate; Sodium Biphosphate;
Monosodium Dihydrogen Phosphate
INS: E339.i
Properties
Dihydrate type contains one or two molecules of water of hydration and is slightly hygroscopic.The hydrated forms occur as white or transparent crystals or granules. All forms are freely soluble in water, but are insoluble in alcohol. The pH of a 1:100 solution is between 4.1 and 4.7.
Application
It is mainly used as buffering agent, emulsification agent, nourishment, etc.
Package
Packing :25 kgs bag,1000 kgs,1100 kgs, 1200 kgs jumbo bag
Loading:25 kgs on pallet: 24MT/20’FCL; Un-palletized:25MT/20’FCL
Jumbo bag :20 bags /20’FCL ;
Specifications
No | Specifications | National Standard | Ronghong Standard |
1 | Assay %≥ | 98.0-103.0 | 99 Min |
2 | P2O5 %≥ | / | 44.6 |
3 | PH (10Gg/Lsolution) | 4.1-4.7 | 4.1-4.7 |
4 | Heavy Metal(As Pb)%≤ | 0.001 | 0.001Max |
5 | As %≤ | 0.0003 | 0.0003 Max |
6 | F %≤ | 0.005 | 0.005 |
7 | Water Insoluble %≤ | 0.2 | 0.1 Max |
8 | Fe %≤ | / | 0.005 |
9 | SO4 %≤ | / | 0.5 |
10 | Cl %≤ | / | 0.05 |
11 | Pb %≤ | 0.0004 | 0.0004 Max |
12 | Loss on Drying(NaH2PO4) | 20.0-25.0 | 20 |