Ortho-Phosphoric Acid 99% 500Grm
cryst. for analysis EMSURE®
Manufacturer: Merck
Catalog ID: 100565.0500
Stock: In Stock
Description
| Catalogue Number | 100565 |
| Synonyms | Orthophosphoric acid, o-Phosphoric acid |
| Description | ortho-Phosphoric acid 99% |
Product Information
| CAS number | 7664-38-2 |
| EC index number | 015-011-00-6 |
| EC number | 231-633-2 |
| Hill Formula | H₃O₄P |
| Chemical formula | H₃PO₄ |
| Molar Mass | 97.99 g/mol |
| HS Code | 2809 20 00 |
Physicochemical Information
| Density | 1.84 g/cm3 (38 °C) |
| Melting Point | 41.1 °C |
| pH value | <0.5 (100 g/l, H₂O, 20 °C) |
| Vapor pressure | 0.04 hPa (20 °C) |
| Solubility | 750 - 850 g/l |
Toxicological Information
| LD 50 dermal | LD50 Rabbit 2740 mg/kg |
Storage and Shipping Information
| Storage | Store below +30°C. |
Specifications
| Assay (acidimetric) | ≥ 99 % |
| Identity | passes test |
| Chloride (Cl) | ≤ 2 ppm |
| Nitrate (NO₃) | ≤ 2 ppm |
| Phosphite and Hypophosphite (as H₃PO₃) | ≤ 500 ppm |
| Fluoride (F) | ≤ 0.5 ppm |
| As (Arsenic) | ≤ 1 ppm |
| Ca (Calcium) | ≤ 20 ppm |
| Cd (Cadmium) | ≤ 1 ppm |
| Co (Cobalt) | ≤ 1 ppm |
| Cu (Copper) | ≤ 1 ppm |
| Fe (Iron) | ≤ 10 ppm |
| K (Potassium) | ≤ 5 ppm |
| Mg (Magnesium) | ≤ 1 ppm |
| Mn (Manganese) | ≤ 1 ppm |
| Na (Sodium) | ≤ 50 ppm |
| Ni (Nickel) | ≤ 1 ppm |
| Pb (Lead) | ≤ 1 ppm |
| Sb (Antimony) | ≤ 1 ppm |
| Zn (Zinc) | ≤ 1 ppm |
| Volatile acids (as CH₃COOH) | ≤ 20 ppm |
| Substances reducing potassium permanganate (as O) | ≤ 20 ppm |
