Oxalic acid
SIAL/41706 - analytical standard
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
| application(s) | cleaning products cosmetics food and beverages personal care |
| assay | 98.0-102.0% (redox titration) |
| format | neat |
| grade | analytical standard |
| InChI | 1S/C2H2O4/c3-1(4)2(5)6/h( |
| InChI key | MUBZPKHOEPUJKR-UHFFFAOYSA |
| mp | 189.5 °C (dec.) (lit.) |
| Quality Level | 100  |
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | OC(=O)C(O)=O |
| vapor density | 4.4 (vs air) |
| vapor pressure | <0.01 mmHg ( 20 °C) |
| Application: | Oxalic acid may be used as an analytical standard for the determination of the analyte in juice samples, honey, food samples fruits, vegetables, alcoholic and non-alcoholic beverages and cosmetic formulations by various chromatography techniques. |
| General description: | This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food. Find all available reference materials for compounds listed in 10/2011 here Oxalic acid is a low-molecular-weight organic acid that occurs naturally in several plants, fruits, vegetables, food and beverage products. |
| Symbol |   GHS05,GHS07,GHS05,GHS07 |
| Signal word | Danger-Danger |
| Hazard statements | H302 + H312 - H318 - H302 + H312 - H318 |
| Precautionary statements | P264 - P270 - P280 - P264 - P270 - P280 - P302 + P352 + P312 - P305 + P351 + P338 + P310 - P301 + P312 - P302 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 98.0-102.0% (redox titration) |
| mp | 189.5 °C (dec.) (lit.) |
| UNSPSC | 12352106 |