Oxalic acid is the simplest binary carboxylic acid, colorless transparent crystal at room temperature, usually containing two molecules of crystal water, heated to 100.1℃ when the loss of crystal water, become anhydrous oxalic acid. Toxic, harmful to the human body. It is hygroscopic, soluble in ethanol, soluble in water, slightly soluble in ether. Insoluble in benzene and chloroform.

                                               ANALYSIS  RESULT
ITEM STANDARD RESULT
Purity % 99.7min 99.99
Sulphate(SO4)% 0.07max 0.005
Residue of Ignition % 0.01max 0.004
Heavy metal(Pb) % 0.0005max 0.00003
IRON(Fe)% 0.0005max 0.0001
Chloride(CL)% 0.0005max 0.0003
Calcium(Ca)% 0.0005max 0.0001
Good quality

OXALIC ACID Applications and Benefits

It stands out for its ability to dissolve rust, remove stains, and act as a reducing agent, making it indispensable in maintenance, manufacturing, and specialty chemical processes. Explore its versatility:

Metal Cleaning and Rust Removal

  • Effectively dissolves iron oxides and mineral deposits on tools, machinery, and surfaces.
  • Used in automotive and aerospace for precision cleaning without damaging substrates.
  • Benefit: Restores metal integrity, reducing downtime by up to 30% in maintenance cycles.

Textile and Leather Processing

  • Serves as a mordant in dyeing and a bleaching agent for fabrics and hides.
  • Neutralizes alkaline residues post-processing.
  • Benefit: Enhances color fastness and fabric quality, improving yield by 10–15% in production lines.

Wood and Stone Restoration

  • Removes water stains, ink marks, and weathering from hardwood floors and marble surfaces.
  • Ideal for conservation of historical artifacts.
  • Benefit: Provides gentle yet thorough cleaning, preserving natural aesthetics without abrasion.

Pharmaceuticals and Electronics

  • Acts as a purifying agent in API synthesis and etchant in circuit board manufacturing.
  • Controls pH in analytical reagents.

OXALIC ACID Frequently Asked Questions (FAQs)

What is Oxalic Acid primarily used for?

It is a versatile organic compound mainly employed as a cleaning agent, rust remover, and bleaching agent in industries such as metalworking, textiles, and restoration. It excels at breaking down tough deposits like rust and scale through its acidic properties.

Is Oxalic Acid safe for household use?

When diluted properly and handled with gloves and ventilation, it is suitable for DIY cleaning tasks like deck restoration. However, it is corrosive and toxic if ingested—always follow label instructions and avoid skin contact.

How does Oxalic Acid compare to other acids like citric acid?

Oxalic Acid is stronger and more effective against heavy metal stains and rust than milder citric acid. It decomposes into CO₂ and water, leaving no harmful residues, but requires cautious use due to its potency.

What are the proper storage and handling precautions for Oxalic Acid?

Store in a cool, dry place in sealed containers to prevent moisture absorption. Wear PPE including gloves, goggles, and respirators during use. Keep away from bases, oxidizers, and food areas to avoid reactions.

Can Oxalic Acid be used in eco-friendly formulations?

Yes, it biodegrades rapidly into harmless byproducts and is biodegradable under aerobic conditions. It’s often preferred in green cleaning products, though concentrations should align with environmental discharge limits.

What is the recommended concentration for rust removal with Oxalic Acid?

A 5–10% solution in water is typical for surface rust removal; apply, let sit for 20–30 minutes, then rinse. Test on a small area first for compatibility.

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Elevate your efficiency with premium Oxalic Acid from our reliable supply chain. For quotes, samples, or expert advice, contact us now. We’re committed to partnering for your success.