Oxalic Acid 99.5%

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⚖️ Legal Notice (UK Poison Act 1972):

• This product is classified as a Regulated Poison under the Poison Act 1972
• Available to Business & Trade Customers Only
• We are legally required to collect company details before dispatch

Customer Declaration Required:

• Limited Company
• Sole Trader
• Private Customer – I understand this order will be cancelled and a £10 restocking fee will apply
• Company Registration Number / UTR required

✔ General public must hold a valid EPP Licence to purchase
✔ Private users may purchase 9.95% oxalic acid solution without licence

Product Overview:

High-purity 99.5% Oxalic Acid in white crystalline powder form, designed for professional cleaning, rust removal, and wood bleaching. Easily dissolves in water to create powerful cleaning solutions. Suitable for industrial, commercial, and restoration use. Available in multiple sizes for trade and business applications across the UK.

Key Features:

• High purity 99.5% oxalic acid dihydrate (C2H2O4·2H2O)
• Powerful and effective stain remover for wood, stone, brick, and metal
• Efficient rust remover for tools, pipes, and metal surfaces
• Easily soluble in water for quick and simple solution preparation
• Available in multiple sizes from 250g to 15kg for professional use

Uses:

• Wood bleaching and restoration
• Rust removal from metal surfaces
• Removal of stubborn stains (ink, food, organic marks)
• Marble and stone cleaning and polishing
• Industrial cleaning and calcium removal

📋 Product Details:

• Weight: 250g Aluminium Pouch, 500g Aluminium Pouch, 1.5kg HDPE Jerry Can, 3kg Bucket, 15kg Bucket
• Grade: 99.5% Pure (Professional Grade)
• Form: White Crystalline Powder (Dihydrate)

📈 Other Names:

Oxalic Acid Dihydrate, Ethanedioic Acid, Wood Bleach Powder, Rust Remover Crystals, Industrial Cleaning Acid, Heavy Duty Cleaning Powder, UK Regulated Chemical

How To Use (Top 10 Applications – Step-by-Step):

1) Wood Bleaching

1. Mix 50g oxalic acid with 950ml warm water (5% solution)
2. Ensure wood is sanded and untreated
3. Apply evenly using a brush or sponge
4. Leave for 60 minutes
5. Rinse thoroughly and allow to dry before finishing

2) Rust Removal

1. Prepare a 5–10% solution (50–100g per litre of water)
2. Apply to the rusted surface
3. Leave for 10–30 minutes
4. Lightly scrub if required
5. Rinse and dry thoroughly

3) Stain Removal

1. Dissolve 50g in 1 litre of warm water
2. Apply to the stained area
3. Leave for 15–30 minutes
4. Rinse with clean water
5. Repeat if necessary

4) Marble & Stone Cleaning

1. Use a mild 5% solution
2. Apply with a soft cloth
3. Gently clean the surface
4. Rinse thoroughly
5. Dry and polish

5) Industrial Cleaning / Calcium Removal

1. Prepare a 5–10% solution
2. Apply to affected surfaces or equipment
3. Leave for 20–60 minutes
4. Rinse thoroughly
5. Neutralise if required

6) Boat Hull Cleaning

1. Prepare a 5% solution: mix 50g oxalic acid with 950ml warm water
2. Apply to stained gelcoat or fibreglass using a sponge or soft brush
3. Leave for 5–15 minutes; do not allow the solution to dry
4. Scrub lightly on heavy staining
5. Rinse thoroughly with clean water and dry the surface

7) Removing Brown Waterline Stains

1. Mix 50–100g per 1 litre of warm water
2. Apply along the boat waterline or stained surface
3. Leave for 10–20 minutes
4. Wipe with a non-abrasive pad
5. Rinse well with fresh water

8) Cleaning Stainless Steel Fittings

1. Prepare a mild 5% solution: 50g per 1 litre of water
2. Apply carefully to stained stainless steel parts
3. Leave for 5–10 minutes
4. Wipe with a soft cloth
5. Rinse thoroughly and dry immediately

9) Removing Black Marks from Timber

1. Sand the wood lightly before treatment
2. Mix 50g oxalic acid with 950ml warm water
3. Apply evenly to dark marks or tannin stains
4. Leave for 30–60 minutes
5. Rinse, dry fully, then finish or seal the wood

10) Cleaning Garden Stone & Paving Stains

1. Mix 50–100g oxalic acid with 1 litre warm water
2. Apply to stained stone, brick, or paving
3. Leave for 10–30 minutes
4. Scrub gently with a stiff brush
5. Rinse thoroughly with plenty of clean water

Safety: Always wear gloves, eye protection, and protective clothing. Use outdoors or in a well-ventilated area. Do not mix with bleach, chlorine products, oxidisers, or other chemicals.

❓ FAQs

1. Can I buy oxalic acid as a private individual in the UK?
Only with a valid EPP licence. Otherwise, only diluted solutions (≤9.95%) are permitted.

2. What concentration should I use?
A 5% solution is standard; increase to 10% for tougher cleaning tasks.

3. Is it safe for wood surfaces?
Yes, when used on untreated wood and applied correctly.

4. How should it be stored?
Store in a dry, sealed container away from moisture and incompatible substances.

5. What safety precautions are required?
Use gloves, eye protection, and work in a well-ventilated area.