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Ahmed KhanI'm a trader from Pakistan. I have bought sodium hempetaphosphate with Manager Hu and worked with him for 3 times. THKs Hu, now I have become a local agent. Riel Chemical is indeed a trusted partner. Highly recommended for friends who need high quality chemical products. -
Maria J GarciaOverall, I was impressed. Whether it is product details or service response speed, it is done very well, and customers are satisfied. Warmly tips: Could you guys add more payment methods？that would be great. -
LabrekeoLa vitesse de livraison est très satisfaisante et presque aucune inquiétude. Chaque fois que la coopération fonctionne sans à-coup. Recommandez sincèrement à d’autres acheteurs! -
محمد لاگولدشریک خوب، پیدا کردن چنین تامین کننده ای عالی است، برای شما آرزوی موفقیت دارم -
JackThe cooperation with Riel Chemical Co., Ltd. is our most sensible choice. Your team's efficiency, professionalism and innovative spirit are impressive, and we are looking forward to further cooperation in the future! -- Jack Sales manager -
ອາ ລິ ສໄປ ຈົນ ສຸດ ຂີດ, ຂອບ ໃຈ ຫລາຍໆ ທີ່ ມີ ທ່ານ! ບໍ່ ວ່າ ຈະ ເປັນ ການ ສະຫນັບສະຫນູນ ຢ່າງ ເຕັມທີ່ ໃນ ເວລາ ທີ່ ສໍາຄັນ ຫລື ການ ເອົາ ໃຈ ໃສ່ ຢ່າງ ລະມັດລະວັງ ຕໍ່ ລາຍ ລະອຽດ ຂອງ ການ ຮັບ ໃຊ້ ປະຈໍາ ວັນ, ເຮົາ ຮູ້ສຶກ ວ່າ ໄດ້ ຮັບ ຄວາມ ໄວ້ ວາງ ໃຈ. ຂໍ ໃຫ້ ມິດຕະພາບ ຍືນ ຍົງ ຕະຫລອດ ໄປ ແລະ ການ ຮ່ວມ ໄມ້ ຮ່ວມ ມື ຈະ ຍືນ ຍົງ ຕະຫລອດ ໄປ ——[ທີມການຄ້າເຄມີຂອງລາວ] -
Mr. ZhaoWe have been cooperating with Riel Chemical for five years. The product quality has always been perfect and the usage effect is good. Your company's sales manager is also particularly polite
Recommended 99.6% Oxalic Acid White Crystal Particle For Clean Stone
| Place of Origin | Weifang |
|---|---|
| Brand Name | Riel Chemical |
| Certification | SGS, ISO9001, CE |
| Model Number | 99.6% |
| Minimum Order Quantity | 1 ton |
| Price | USD 300~400 FOB |
| Packaging Details | 25 kg polyethylene woven bag, moisture-proof, easy to transport |
| Delivery Time | 3～5 work day |
| Payment Terms | T/T , L/C |
| Supply Ability | 50 tons per day |
Contact me for free samples and coupons.
WhatsApp:0086 18588475571
Wechat: 0086 18588475571
Skype: sales10@aixton.com
If you have any concern, we provide 24-hour online help.
xProduct Details
| CAS | 6153-56-6 | EINECS | 205-634-3 |
|---|---|---|---|
| Crystalline Hydrate | Oxalic Acid Dihydrate | Appearance | White Power |
| Acidity | Medium Acid | Solubility | Water |
| Highlight | clean stone h2c2o4 2h2o,clean stone oxalic acid,6153-56-6 h2c2o4 2h2o |
||
You can tick the products you need and communicate with us in the message board.
| Mode of loading | Maximum load | |
|---|---|---|
| 20 GP no pallet | 25 tons | |
| 20 GP with pallet | 22 tons |
Product Description
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.
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