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Oxalic acid

Oxalic acid is often used to remove limescale and rust. It is a versatile product that is used for many applications.



What is oxalic acid?

Oxalic acid is an organic acid that occurs naturally in various plants and vegetables, such as rhubarb and spinach. Chemically, it is known as a dicarboxylic acid with the molecular formula C2 H2O4. This white crystalline solid is often recognized for its ability to remove rust and limescale, making it an effective cleaner. Are you considering purchasing oxalic acid? DutchChems has come to the right place for high-quality products.

What can you buy oxalic acid for?

Oxalic acid has several industrial and domestic applications:

  • Rust removal: Oxalic acid can be used to remove rust from various surfaces.
  • Wood bleach: It helps in lightening stains of wood.
  • Cleaning: It removes limescale and other stubborn stains from textiles and other surfaces.
  • Metalwork: Used in aluminum production and for etching iron.


Chemical safety: GHS symbol for corrosive. GHS symbol for irritant.
Corrosive Irritating


Molecular formula: C2 H2O4
Chemical names: Oxalic acid
ethanedic acid
Molecular weight: 90.03 g/mol
CAS Number:
EC number:
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Dangers of oxalic acid

Oxalic acid is toxic when ingested and can cause irritation when it comes into contact with the skin or eyes. It is important to always wear protective clothing when working with oxalic acid. Excessive intake of foods rich in oxalic acid can also lead to kidney stones.

Frequently Asked Questions

  • Is oxalic acid dangerous? Yes, it is toxic when ingested and can cause irritation on contact.
  • How do I store oxalic acid? Store in a cool, dry place out of the reach of children.
  • Can I use oxalic acid for all cleaning tasks? While it is effective for many tasks, it is essential to follow the instructions on the label.

Where can I buy oxalic acid?

Looking for top quality oxalic acid? Order easily and quickly online today at DutchChems, the specialist in chemicals. We ensure safe packaging and fast delivery.

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