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Recommended 99.6% Oxalic Acid White Crystal Particle For Clean Stone
Key attributes
Chemical formula: C2H2O4·2H2O
CAS:6153-56-6
Purity: 99.6%
Production standard
COA need meets 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 the chemical industry
1. Chemical synthesis
Intermediates: Used to synthesize a variety of organic compounds,
such as dyes, drugs, and plastics.
Reducing agent: Used as a reducing agent in chemical reactions to
reduce metal ions and other compounds.
2. Metal treatment
Rust remover: Used to remove rust and oxides from metal surfaces.
Polishing agent: Used for polishing metal surface to improve
finish.
3. Rare earth extraction
Extractant: used for extraction and purification of rare earth
elements,
and form soluble complex with rare earth elements.
4. Catalyst
Catalyst: Used as a catalyst or catalyst carrier in some chemical
reactions to improve reaction efficiency.
5. Water treatment
Chelating agent: used in water treatment to remove calcium
and magnesium ions from water and prevent scale formation.
Cleaning agent: Used to clean industrial equipment and pipes to
remove sediment.
6. Plating
Additive: Additive used in electroplating solution to improve
coating quality and adhesion.
7. Textile and leather processing
Bleach: Used to bleach textiles and leather to remove impurities
and stains.
Mordant: used as a mordant in the dyeing process to improve the
dyeing rate of the dye.
FAQ
1.What is your payment term?
We can accept T/T and L/C at sight as payment term.
2.Are you able to deliver on time?
Of course! we specialised in this line for many years,
many customer make a deal with me because we can deliver the goods
on time and keep the goods top quality!
3.Do you provide free sample?
Yes, we can provide free sample . You only need to take the express
fee.
4.How about the price?Can you make it cheaper?
We always take the customer’s benefit as the top priority.
Price is negotiable under different conditions, we are assuring you
to get the most competitive price.
5.Can I visit your company and factory in China?
Sure. You are very welcomed to visit our company in Weifang, China.
(We will have someone responsible for picking up and dropping off
at Weifang Airport)
6.What if there is a quality problem?
We have a professional and perfect after-sales service team, timely
for you to deal with all problems.