Acidity buffer 98% DSP Disodium Phosphate Food Grade
Specifications:
1.Chemical Formula:Na2HPO4.12H2O
2.Molecular Weight:357.96(Na2HPO4.12H2O)
3.Characteristics: white or colorless crystal,shaped asrunning sand,effloresce in air easily,soluble in water easily,insoluble in alcohol,water solution is alkalescenty,decomposed to be sodium pyrophosphate at 250℃ ;Specific weight is 1.52,melting point is 57.4 ℃ .
4.Technical Specifications:
| No. | Specifications | Industrial Grade | Food Grade |
| 1 | Main content (as Na2HPO4.12H2O)% | ≥ 97 | ≥ 98 |
| 2 | PH of 1% water solution | ≤ 8.8-9.2 | ≤8.8-9.2 |
| 3 | Heave metals(as Pb) % | ≤ 0.001 | |
| 4 | Arsenic(as As) % | ≤ 0.005 | ≤ 0.0003 |
| 6 | Chloride(As Cl) % | ≤ 0.05 | ≤ 0.03 |
|
7 |
Water insoluble | ≤ 0.05 |
≤ 0.2 |
|
8 |
Sulfate,as SO4 % | ≤ 0.7 |
≤ 0.25 |
|
9 |
Fluoride,as F % | ≤0.05 |
≤ 0.005 |
|
10 |
Drying loss: Na2HPO4 |
≤ 5.00 |
|
|
|
Na2HPO4.2H2O % |
18.0-22.0 |
|
|
|
Na2HPO4.12H2O % ≤ |
61 |
5.Function: used as fire-proof agent for fabric,woods and paper,as water-softening agent for boiler,as dyeing assistant,food additive,acidity buffer,and manufacturing pyrophosphate for glaze,welding agent,baking powder,electroplatiing,tannage etc.
6.Package:Plastic knit bag,as per client's requirement. N.W is 25 kgs/bag or 50 kgs/bag.
7.Storage ways:storage in ventilated and dry place.
8.Lead time:7 working days after receiving the deposit.ship by sea/air etc.
9.Payment terms:discussing with the clients.
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