Phosphoric acid - 304174
Code: 304174
Phosphoric acid
puriss. p.a., ACS reagent, Reag. ISO, Reag. Ph. Eur., ≥85%
Orthophosphoric acid
ACS Reagent, Reag. ISO, Reag. Ph. Eur.
CAS Number: 7664-38-2
Linear Formula: H3PO4
Molar Mass: 98 g/mol
Beilstein Registry Number: 1921286
EC Number: 231-633-2
MDL Number: MFCD00011340
| Property |
Value |
| Assay |
min. 85 % |
| Volatile acids (CH3COOH) |
max. 0.001 % |
| Water insoluble matter |
max. 0.001 % |
| Arsenic (As) |
max. 0.00005 % |
| Calcium (Ca) |
max. 0.001 % |
| Cadmium (Cd) |
max. 0.0001 % |
| Cobalt (Co) |
max. 0.0001 % |
| Chromium (Cr) |
max. 0.0001 % |
| Copper (Cu) |
max. 0.0001 % |
| Iron (Fe) |
max. 0.0005 % |
| Potassium (K) |
max. 0.0005 % |
| Magnesium (Mg) |
max. 0.0005 % |
| Manganese (Mn) |
max. 0.00005 % |
| Sodium (Na) |
max. 0.002 % |
| Nickel (Ni) |
max. 0.0001 % |
| Lead (Pb) |
max. 0.0001 % |
| Antimony (Sb) |
max. 0.0002 % |
| Zinc (Zn) |
max. 0.0002 % |
| Heavy metals (as Pb) |
max. 0.001 % |
| Chloride (Cl) |
max. 0.0002 % |
| Fluoride (F) |
max. 0.0001 % |
| Nitrate (NO3) |
max. 0.0003 % |
| Phosphite,Hypoph. (H3PO3) |
max. 0.002 % |
| Phosphite, hypophosphite |
complying |
| Sulfate (SO4) |
max. 0.003 % |
| KMnO4 reducing matter (as O) |
max. 0.001 % |
| Substances precipitated by NH3 |
complying |
| APHA |
max. 10 |
| Reducing impurities |
complying |
| Appearance of the solution |
complying |
| Residual solvents |
complying |
| Property |
Value |
| Vapor Pressure |
5 mmHg ( 25 °C) |
| Vapor Density |
3.4 (vs air) |
| Boiling point |
158 °C |
| Freezing point |
21 °C |
| Density |
1.71 g/cm3 |
