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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 -
Somchai BunyaEvery time we shake hands, it is for our mutual growth.
Industrial Grade Highly Purified Oxalic Acid c2h2o4 2h2o for Bleached Pulp Timber
| Place of Origin | Weifang |
|---|---|
| Brand Name | Riel Chemical |
| Certification | SGS,ISO9001,CE |
| Model Number | 99.6% |
| Minimum Order Quantity | 1 ton |
| Price | USD 200~300 FOB |
| Packaging Details | 25 kg polyethylene woven bag, moisture-proof, easy to transport |
| Delivery Time | 5 work day |
| Payment Terms | L/C, T/T |
| Supply Ability | 50 tons per day |
Product Details
| CAS | 6153-56-6 | EINECS | 205-634-3 |
|---|---|---|---|
| Appearance | White Crystal | Crystalline Hydrate | 2 Water Crystals |
| Life Spen | Two Years | Package | 25kg/bag |
| Stats | Dihydrate | ||
| Highlight | industrial c2h2o4 2h2o,industrial oxalic acid,25kg c2h2o4 2h2o |
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| 20 GP Container | Maximum load (tons) | |
|---|---|---|
| With tray | 22 | |
| No tray | 25 |
Product Description
Industrial Grade Highly Purified Oxalic Acid C₂H₂O₄·2H₂O for Bleached Pulp Timber
Product Specifications
| Attribute | Value |
|---|---|
| CAS | 6153-56-6 |
| EINECS | 205-634-3 |
| Appearance | White crystal |
| Crystalline hydrate | 2 Water crystals |
| Life span | Two years |
| Package | 25kg/bag |
| Stats | Dihydrate |
Key Attributes
- Chemical formula: C₂H₂O₄·2H₂O
- CAS: 6153-56-6
- Purity: 99.6%
- Classification: Carboxylic Acid
- Place of Origin: Weifang, China
- Other Names: Oxalic Acid Dihydrate, Ethanedioic Acid
- Grade Standard: Industrial Grade
- Appearance: White crystal particles/powder
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.
Packaging & Shipping
- Package: 25kg/bag
- MOQ: 5 Ton
- Shelf Life: 2 Years
- Shipping port: Qingdao Port
Applications
- Gold industry: precipitation separation of rare earth metals
- Organic synthesis: 2133 resin, electric jade powder, butyl catalyst
- Light industry: leather, wood, aluminum products, marble polishing
- Printing and dyeing: fast pigment group dyes dyeing agent
- Pharmaceutical industry: tetracycline, oxytetracycline, borneol
- Analytical reagents and chemical raw materials
Functional Properties of Oxalic Acid
1. Clean and Remove Rust
Oxalic acid reacts with metal oxides to form soluble complexes, effectively removing rust and dirt.
- Metal cleaning: steel, copper, aluminum surface treatment
- Equipment maintenance: boilers, heat exchangers, pipes
- Stone cleaning: marble, granite stain removal
2. Bleaching Agent
Oxalic acid's reductive properties remove pigments and stains.
- Textile industry: cotton fiber bleaching
- Wood industry: surface stain removal
- Paper industry: whiteness improvement
3. Chemical Synthesis
Important intermediate in organic synthesis reactions.
- Pharmaceuticals: antibiotics, vitamins synthesis
- Dye industry: pigments production
- Plastics: polymer materials synthesis
4. Metal Polishing
Forms smooth protective layers on metal surfaces.
- Aluminum products surface treatment
- Stainless steel equipment maintenance
5. Water Treatment
Chelates metal ions to prevent scale formation.
- Industrial water: boiler and cooling systems
- Wastewater: heavy metal ion removal
6. Electronics Industry
Removes oxides and contaminants from components.
- Circuit board cleaning and etching
- Semiconductor wafer processing
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 guarantee timely delivery while maintaining top quality.
Do you provide free samples?
Yes, we provide free samples with the customer responsible for express 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 Weifang facility and provide airport transportation assistance.
What if there is a quality problem?
Our professional after-sales team promptly addresses all quality concerns.
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