41706

Oxalic acid

analytical standard

• Linear Formula: HO₂CCO₂H
• CAS Number: 144-62-7
• Molecular Weight: 90.03
• Beilstein/REAXYS Number: 385686
• EC Number: 205-634-3
• MDL number: MFCD00002573
• UNSPSC Code: 12352106
• NACRES: NA.24

Properties

• grade: analytical standard
• Quality Level: 100
• vapor density: 4.4 (vs air)
• vapor pressure: <0.01 mmHg ( 20 °C)
• assay: 98.0-102.0% (redox titration)
• shelf life: limited shelf life, expiry date on the label
• mp: 189.5 °C (dec.) (lit.)
• application(s): cleaning products; cosmetics; food and beverages; personal care
• format: neat
• SMILES string: OC(=O)C(O)=O
• InChI: 1S/C2H2O4/c3-1(4)2(5)6/h(H,3,4)(H,5,6)
• InChI key: MUBZPKHOEPUJKR-UHFFFAOYSA-N

Description

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.

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.

Safety Information

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H302 + H312,H318
• pcodes: P264 - P280 - P301 + P312 - P302 + P352 + P312 - P305 + P351 + P338 - P362 + P364
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1