Description

Oxalic Acid is a versatile and powerful dicarboxylic acid widely used across numerous industrial sectors. Its strong chelating and reducing properties make it an essential processing agent for cleaning, bleaching, and purification applications. Key industries that rely on this compound include pharmaceuticals, textiles, metal treatment, and specialty chemical manufacturing. We supply high-purity Oxalic Acid CAS NO 144-62-7 to meet the stringent demands of global B2B customers.

Application

• Metal Cleaning & Surface Treatment: Effective rust and scale remover for boilers, radiators, and metal parts prior to finishing.
• Pharmaceutical Intermediates: Used as a key starting material or precipitating agent in the synthesis of various active pharmaceutical ingredients (APIs).
• Textile & Leather Processing: Acts as a bleaching agent for textiles and a tanning agent in leather production.
• Rare Earth Element Extraction: Crucial reagent for the separation and purification of rare earth minerals in mining and refining.
• Wood & Pulp Bleaching: Employed in pulp and paper manufacturing to bleach wood pulp and as a cleaning agent for papermaking equipment.
• Specialty Chemical Synthesis: Serves as a precursor for oxalates, agrochemicals, dyes, and complexing agents.
• Cleaning Formulations: A core component in industrial and household cleaning products for descaling and stain removal.

Basic Information

Product Name	Oxalic Acid
CAS No.	144-62-7
Molecular Formula	C2H2O4
Molecular Weight	90.03 g/mol
Synonyms	Ethanedioic Acid; Dicarboxylic Acid; Wood Bleach; Salt of Sorrel; Acid of Sugar; Dihydrate; Oxalic Acid Dihydrate; Hydrogen Oxalate
EINECS	205-634-3

Quality Control

Our Oxalic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets the high standards required for industrial and pharmaceutical applications. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay, heavy metals, chloride, sulfate, and residue on ignition. Our production adheres to cGMP principles, and the product complies with major global regulatory frameworks including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent caking and degradation. Keep away from incompatible materials such as strong bases, strong oxidizers, and alkalis.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (Anhydrous Basis)	≥ 99.5 %
Melting Point	189 - 191 °C
Residue on Ignition	≤ 0.02 %
Chloride (Cl)	≤ 0.001 %
Sulfate (SO4)	≤ 0.002 %
Heavy Metals (as Pb)	≤ 0.001 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.