Oxalic Acid dihydrate 99% Extrapure
Ethanedioic acid
Product Code. |
01900 |
Grade |
Extrapure |
Purity |
99% |
CAS No. |
6153-56-6 |
Molecular Formula |
C2H2O4.2H2O |
Molecular Weight |
126.07 |
H.S.Code |
2917.11100 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Colorless crystalline |
Odour |
Odorless |
| pH value |
1.3 |
Melting point/ Freezing point [°C] |
189.5 °C |
Boiling point [°C] |
157 °C |
| Vapour pressure [20°C] |
< 0.01 hPa at 20 °C |
Vapour density |
4.4 |
Density [g/cm3] |
1.9 |
| Solubility in water [% weight] |
1g/7ml of water |
Packaging
Specification
| Appearance | White crystalline powder |
| Assay | Min. 99.0% |
| Chloride (Cl) | Max. 0.0025% |
| Sulphate (SO4) | Max. 0.02% |
| Total nitrogen (N) | Max. 0.005% |
| Heavy metal (as Pb) | Max. 0.002% |
| Iron (Fe) | Max. 0.001% |
| Residue on ignition (at 800°C) | Max. 0.05% |
Safety Information and Hazard Symbols
Symbol: GHS05, GHS07
Signal Word: Danger
UN No.: 3261
IMCO Class No.: 8
Packing Group: III
Hazardous Statement: H302 + H312-H314
Precaution Statement: P280-P305 + P351 + P338-P310