Inorganic Acids
Orthophosphoric Acid 85% AR
RA000116 CAS 7664-38-2 AR
ReagentAtlas lists Orthophosphoric Acid 85% AR (CAS 7664-38-2), a laboratory acid of AR grade. Pack sizes: 500 mL, 2.5 L, 5 L, 25 L, 200 L. Submit your requirement to request a quotation.
Identity
Synonyms: Phosphoric Acid
Classification
- Categories
- Inorganic Acids primary
Technical Data
Properties
| Property | Value |
|---|---|
| Physical state at 20 °C | Liquid |
| pH value | 1.5 |
| Melting point/ Freezing point [°C] | 21 °C |
| Boiling point [°C] | 158 °C |
| Vapour pressure [20°C] | 0.03 mm Hg @ 20°C |
| Vapour pressure mm/Hg | 0.03 mm Hg @ 200C |
| Density [g/cm3] | 1.685 |
| Solubility in water [% weight] | Completely miscible |
These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.
Specifications
| Parameter | Specification |
|---|---|
| Appearance | Clear colorless viscous liquid |
| Assay | Min 85% |
| Weight/ mL at 20°C | About 1.71 g |
| Chloride (Cl) | Max 0.0005% |
| Nitrate (NO3) | Max 0.0005% |
| Silicate (SiO2) | Max 0.025% |
| Sulphate (SO4) | Max 0.002% |
| Arsenic (As) | Max 0.0001% |
| Calcium (Ca) | Max 0.004% |
| Copper (Cu) | Max 0.0005% |
| Iron (Fe) | Max 0.0015% |
| Lead (Pb) | Max 0.001% |
| Magnesium (Mg) | Max 0.004% |
| Manganese (Mn) | Max 0.0005% |
| Potassium (K) | Max 0.005% |
| Substance reducing KMnO4 (as O) | Max 0.001% |
| Volatile acids (as CH3COOH) | Max 0.001% |
Packaging
| Pack size | SKU |
|---|---|
| 500 mL | RA000116-500ML |
| 2.5 L | RA000116-2.5L |
| 5 L | RA000116-5L |
| 25 L | RA000116-25L |
| 200 L | RA000116-200L |