Phosphoric acid, or rather orthophosphoric acid, is a medium oxidizing acid and has the chemical formula H₃PO₄.
Formula: H3PO4
Molecular mass: 97,994 g / mol
IUPAC ID: Phosphoric acid
Melting point: 42.35 ° C
Density: 1.88 g / cm³
Classification: Strength of acids
| Phosphoric acid
Axit photphoric |
| H3PO4 |
MW: 98.00 |
Specification
| Item |
Sign |
PA |
P |
| Assay, % ………………………. |
≥ |
85.0 |
85.0 |
| Color …………………………… |
≤ |
25 Hazen |
25 Hazen |
| Ignition residue, % ……………. |
≤ |
0.2 |
0.5 |
| Volatile acid (as H+),mmol/100g |
≤ |
0.02 |
0.02 |
| Chloride (Cl), % ………………. |
≤ |
0.0003 |
0.0005 |
| Sulfate (SO4), % ………………. |
≤ |
0.003 |
0.01 |
| Nitrate (NO3), % ………………. |
≤ |
0.0005 |
0.0005 |
| Arsenic, (As) % ……………….. |
≤ |
0.0001 |
0.0005 |
| Iron (Fe), % …………………… |
≤ |
0.002 |
0.002 |
| Manganese (Mn), % …………… |
≤ |
0.0002 |
0.0005 |
| Lead (Pb), % ………………….. |
≤ |
0.001 |
0.001 |
| Reducing substances (as H3PO3), % ……………………………… |
≤ |
0.01 |
0.05 |
| UN NO.: 1805 |
R: 34 |
| CAS NO.: 7664-38-2 |
S: 26-45 |
| Cat.No. |
Grade |
Quantity |
Packaging |
| DG0180PA0.5L |
PA |
500ml |
Plastic Bottle |
| DG0180P0.5L |
P |
500ml |
Plastic Bottle |
