Oxalic Acid Dihydrate 1Kg
for analysis EMSURE® ACS,ISO,Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 100495.1000
Stock: In Stock
Description
| Catalogue Number | 100495 |
| Synonyms | Ethanedioic acid |
| Description | Oxalic acid dihydrate |
Product Information
| CAS number | 6153-56-6 |
| EC index number | 607-006-00-8 |
| EC number | 205-634-3 |
| Grade | ACS,ISO,Reag. Ph Eur |
| Hill Formula | C₂H₂O₄ * 2 H₂O |
| Chemical formula | (COOH)₂ * 2 H₂O |
| Molar Mass | 126.07 g/mol |
| HS Code | 2917 11 00 |
| Structure formula Image |
Physicochemical Information
| Boiling point | 149 - 160 °C (1013 hPa) (decomposition) |
| Density | 1.65 g/cm3 (20 °C) |
| Flash point | 157 °C (decomposition) |
| Melting Point | 98 - 100 °C |
| pH value | 1.5 (10 g/l, H₂O) |
| Vapor pressure | 0.000312 hPa (25 °C) |
| Bulk density | 813 kg/m3 |
| Solubility | >100 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 375 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (manganometric) | 99.5 - 102.0 % |
| Insoluble matter | ≤ 50 ppm |
| Chloride (Cl) | ≤ 5 ppm |
| Sulfate (SO₄) | ≤ 50 ppm |
| Total nitrogen (N) | ≤ 10 ppm |
| Heavy metals (as Pb) | ≤ 5 ppm |
| Ca (Calcium) | ≤ 10 ppm |
| Fe (Iron) | ≤ 2 ppm |
| Readily carbonisable substance | passes test |
| Residue on ignition (as sulfate) | ≤ 100 ppm |
| Corresponds to ACS,ISO,Reag. Ph Eur |
