Oxalic acid
ALDRICH/658537 - purified grade, 99.999% trace metals basis
Synonym: Ethanedioic acid
CAS Number: 144-62-7
Empirical Formula (Hill Notation): C2H2O4
Molecular Weight: 90.03
EC Number: 205-634-3
MDL Number: MFCD00002573
Linear Formula: HO2CCO2H
Product Type: Chemical
| assay | 99.999% trace metals basis |
| density | 1.9 g/cm3 at 25 °C |
| form | powder or crystals |
| functional group | carboxylic acid |
| grade | purified grade |
| InChI | 1S/C2H2O4/c3-1(4)2(5)6/h( |
| InChI key | MUBZPKHOEPUJKR-UHFFFAOYSA |
| mp | 189.5 °C (dec.) (lit.) |
| Quality Level | 200 ![]() |
| SMILES string | OC(=O)C(O)=O |
| solubility | water: soluble ~108 g/L at 25 °C |
| technique(s) | liquid chromatography (LC): suitable |
| vapor density | 4.4 (vs air) |
| vapor pressure | <0.01 mmHg ( 20 °C) |
| Application: | Oxalic acid is a dicarboxylic acid used in the synthesis of various synthetic intermediates and organic compounds. Some of the examples are: • It is used as a reducing agent in the preparation of graphene from graphene oxide. • It can be used as a ligand in the synthesis of several organometallic complexes and metal-organic frameworks. • Additionally, it can also be used in textile treatment, metal treatment, tanning and bleaching leather. |
| Packaging: | 25, 100 g in poly bottle |
| Symbol | ![]() GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H302 + H312 - H318 |
| Precautionary statements | P264 - P270 - P280 - P301 + P312 - P302 + P352 + P312 - P305 + P351 + P338 |
| Hazard Codes | Xn |
| Risk Statements | 21/22-41 |
| Safety Statements | 26-36-37-39 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Purity | 99.999% trace metals basis |
| mp | 189.5 °C (dec.) (lit.) |
| Density | 1.9 g/cm3 at 25 °C |
| UNSPSC | 12352100 |



