White Crystal 99.6 Oxalic Acid For Marble Polishing Oxalic Acid Dihydrate
Five star 99.6% Oxalic Acid White Crystal Particle For Clean Metal
Product Specifications
| Attribute |
Value |
| CAS |
6153-56-6 |
| EINECS |
205-634-3 |
| Crystalline hydrate |
Oxalic acid dihydrate |
| Appearance |
White Powder |
| Acidity |
Medium acid |
| Solubility |
Water |
Key Attributes
- Chemical formula: C2H2O4*2H2O
- CAS: 6153-56-6
- Purity: 99.6%
Production Standard (GB/T1626-2008)
| No. |
Items for detecting and analyzing |
Standard value |
| 1 |
Oxalic acid content (C2H2O4) ％≥ |
99.6 |
| 2 |
Sulfide (as SO4) ％≤ |
0.07 |
| 3 |
Combustion residue ％≤ |
0.01 |
| 4 |
Heavy metal (as Pb) ％≤ |
0.0005 |
| 5 |
Fluoride (as Fe) ％≤ |
0.0005 |
| 6 |
Chlorine (as Cl) ％≤ |
0.0005 |
| 7 |
Calcium (as Ca) ％≤ |
0.0005 |
| 8 |
Water insoluble content ％≤ |
0.02 |
References: Riel Chemical Lab1&2, National public service platform for standards information.
Introduction to Oxalic Acid
Oxalic acid is a colorless, crystalline organic compound with the chemical formula C₂H₂O₄. It is a naturally occurring substance found in many plants, such as spinach and rhubarb, and is also produced industrially for various applications.
Key Properties:
- Appearance: White crystalline solid
- Solubility: Highly soluble in water and alcohol
- Acidity: A strong organic acid, capable of forming salts known as oxalates
Industrial Production Methods:
- Oxidation of Carbohydrates: Using nitric acid as an oxidizer
- Sodium Formate Method: A widely used industrial process involving carbon monoxide and sodium hydroxide
- Ethylene Glycol Oxidation: Catalyzed by nitric acid or air
- Biological Fermentation: Utilizing microorganisms like Aspergillus niger
Applications:
- Cleaning Agent: Effective in removing rust and stains from metals
- Bleaching Agent: Used in textiles and wood industries
- Chemical Synthesis: A key raw material for dyes, pharmaceuticals, and other chemicals
- Rare Earth Extraction: Essential in separating and purifying rare earth elements
- Electroplating: Stabilizes metal ions in plating solutions
- Polishing Agent: Restores shine to marble and stone surfaces
Safety Considerations:
Oxalic acid is toxic if ingested and can cause irritation to the skin and eyes. Proper handling and protective equipment are essential when working with this chemical.
Environmental Impact:
While widely used, oxalic acid is biodegradable and considered environmentally friendly when managed responsibly. Oxalic acid's versatility and effectiveness make it a vital component in numerous industrial and commercial processes.
The Role of Oxalic Acid in Cleaning
- Remove rust: Reacts with metal oxides to produce soluble compounds, effectively removing rust from iron and steel surfaces. Used for cleaning metal tools, pipes, and machinery.
- Remove scale: Reacts with calcium and magnesium ions to form soluble salts, removing scale from ceramics, tiles, and glass. Ideal for bathroom and kitchen surfaces.
- Bleach: Reduces pigment molecules to bleach natural materials like textiles and wood.
- Decontamination: Decomposes organic stains such as ink, tea, and coffee stains on various hard surfaces.
- Restore shine: Removes surface oxidation and dirt to restore material luster, particularly effective on stone and metal surfaces.
- Disinfect: Provides antibacterial properties for cleaning and disinfecting sanitary facilities.
Frequently Asked Questions
What is your payment term?
We accept T/T and L/C at sight as payment terms.
Are you able to deliver on time?
Yes, we specialize in this product line and maintain strict quality control to ensure timely delivery of top-quality goods.
Do you provide free samples?
Yes, we provide free samples with the customer responsible for express shipping fees.
How about the price? Can you make it cheaper?
We prioritize customer benefits and offer competitive, negotiable pricing based on order conditions.
Can I visit your company and factory in China?
Yes, we welcome visits to our facility in Weifang, China, with airport pickup and drop-off services provided.
What if there is a quality problem?
Our professional after-sales team promptly addresses all quality concerns to ensure complete customer satisfaction.
Your message must be between 20-3,000 characters!
