Orthophosphoric acid, is produced industrially by two general routes – the thermal process and the wet process, which includes two sub-methods. The wet process dominates in the commercial sector. Orthophosphoric acid is a non-toxic acid, which, when pure, is a solid at room temperature and pressure. Orthophosphoric acid refers to phosphoric acid.
Orthophosphoric acid refers to phosphoric acid, which is the IUPAC name for this compound. The prefix ortho is used to distinguish the acid from related phosphoric acids, called polyphosphoric acids. Orthophosphoric acid is a non-toxic acid, which, when pure, is a solid at room temperature and pressure.
| Orthophosphoric Acid, 85% - Specification | |
| Synonyms | Phosphoric acid |
| Categories | Solvents, Semi-bulk solvents |
| Assay | 85% |
| HSN Code | 28092010 |
| Appearance (Form) | Liquid |
| Boiling point | 158 °C(lit.) |
| Melting point | ~40 °C(lit.) |
| Density | 1.685 g/mL at 25 °C(lit.) |
| Orthophosphoric Acid, GR 85% - Specification | |
| Synonyms | Phosphoric acid |
| Categories | Solvents, AR / GR chemical solvents |
| Assay | 85%+ |
| Grade | AR / GR |
| Appearance (Form) | Liquid |
| Melting point | ~40 °C(lit.) |
| Density | 1.685 g/mL at 25 °C(lit.) |
| Boiling point | 158 °C(lit.) |
| Maximum Limits of Impurities: | |
| Chloride (CI) | 0.0005% |
| Nitrate (NO3) | 0.0005% |
| Silicate (SiO2) | 0.025% |
| Sulphate (SO4) | 0.002% |
| Arsenic (As) | 0.0001% |
| Orthophosphoric Acid, GR 88% - Specification | |
| Synonyms | Phosphoric acid |
| Categories | Solvents, Semi-bulk solvents |
| Assay | 85%+ |
| Grade | AR / GR |
| Appearance (Form) | Liquid |
| Boiling point | 158 °C(lit.) |
| Melting point | ~40 °C(lit.) |
| Density | 1.685 g/mL at 25 °C(lit.) |
| Orthophosphoric Acid, for HPLC, 85%+ - Specification | |
| Synonyms | Orthophosphoric acid; Trihydroxylphosphine oxide |
| Categories | Solvents, HPLC solvents |
| Assay (HPLC) | 85%+ |
| Grade | for HPLC |
| HSN Code | 28092010 |
| Appearance (Colour) | Clear colourless |
| Appearance (Form) | Liquid |
| Melting point | ~40 °C(lit.) |
| Density | 1.685 g/mL at 25 °C(lit.) |
| Absorption maxima in 1 M solution | |
| at 210 nm | 0.07 |
| at 220 nm | 0.05 |
| at 230 nm | 0.04 |
| at 250 nm | 0.04 |
| at 500 nm | 0.02 |
| Orthophosphoric Acid, 85 wt.% in H2O, 99.99% trace metals basis | |
| Synonyms | Phosphoric acid |
| Categories | Materials science, Micro/Nanoelectronics |
| Assay | 99.99% trace metals basis |
| Appearance (Form) | Liquid |
| Appearance (Colour) | Colourless |
| Concentration | 85 wt. % in H2O |
| Melting point | ~40 °C (lit.) |
| Density | 1.685 g/mL at 25 °C(lit.) |
| HSN Code | 28092010 |
Safety Information
- Hazard Codes C
- Risk Statements 34
- Safety Statements 26-45
- RIDADR UN 1805 8/PG 3
- WGK Germany 1
- Signal word Danger
- Hazard statements H314
- Precautionary statements P280-P305 + P351 + P338-P310
- Personal Protective Equipment Face shields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
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