Why Oxalic Acid ACS Grade
Oxalic Acid ACS Grade (CAS 144-62-7) is a tightly controlled, colorless crystalline solid manufactured to strictly meet the rigorous purity standards established by the American Chemical Society. Buyers targeting exact analytical outcomes select this specific reagent grade when even trace levels of heavy metals, chlorides, sulfates, or insoluble matter would fundamentally compromise sensitive quantitative methodologies. Operating as a simple dicarboxylic acid (C2H2O4) that is readily soluble in water, alcohol, and ether, it delivers highly predictable chemical behavior and reactivity in complex laboratory solutions. By strictly limiting background contamination, this grade guarantees the reproducible chemical profiles necessary for environments where exact analytical precision, strict quality control methodologies, and rigorous baseline testing are absolute operational requirements.
Best Applications for This Grade
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Volumetric Analysis and Standardization: Commonly applied in quantitative analytical laboratories as an essential primary standard for calibrating potassium permanganate and sodium hydroxide solutions, relying on its stable crystalline structure and exact molecular weight.
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Environmental Testing and Extraction Protocols: Deployed in sensitive soil extraction procedures and environmental wastewater analysis methodologies that strictly mandate ACS certified reagents to eliminate the risk of background contamination during trace element quantification.
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Bench-Scale Rare Earth Isolation: Acts as an analytically precise chelating and precipitating agent in advanced industrial laboratory research, enabling chemists to isolate complex lanthanides and actinides without introducing interfering transition metal impurities.
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Surface Treatment Formulation Development: Functions as the baseline analytical acid for chemical engineers evaluating new process variables for metal etching, aluminum anodizing, and rust conversion prior to scaling those chemical processes into full commercial production.
When to Choose a Different Grade
- If your industrial operation involves bulk commercial rust removal, large-scale textile bleaching, or heavy-duty metal pickling where the stringent purity metrics of an analytical reagent provide no operational benefit, choose Oxalic Acid, Dihydrate - Ethanedioic Acid.
- If you are formulating and manufacturing commercial-grade wood restoring bleaches, exterior deck cleaners, or concrete rust stain removers for the broader industrial surface preparation market, choose Oxalic Acid, Dihydrate - Ethanedioic Acid to match your raw material specifications with heavy industrial needs.
- If your facility is managing a large-scale water treatment plant requiring a bulk chelating agent for heavy metal precipitation rather than conducting bench-scale analytical water testing protocols, choose Oxalic Acid, Dihydrate - Ethanedioic Acid.
| Molecular Weight |
90.03 |
| Formula |
C2H2O4 |
| Assay |
99-100.5% |
| Grade |
ACS Grade |
| Form |
Solid |
| Solubility |
Soluble in water and alcohol |
| Appearance |
White crystalline powder |
| Melting Point |
101 |
| Boiling Point |
189 |
| Specific Gravity |
1.65 |
| Industry |
Industrial, Analytical Chemistry, Water Treatment, Chemical Manufacturing, Wood Processing, Research Laboratory |