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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
White Crystal Particle Ch2oh Ch2oh Oxalic Acid Recommended For Clean Ceramic
| Place of Origin | Weifang |
|---|---|
| Brand Name | Riel Chemical |
| Certification | SGS, ISO9001, CE |
| Model Number | 99.6% |
| Minimum Order Quantity | 1 ton |
| Price | USD 350/tons 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 |
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 |
|---|---|---|---|
| Appearance | White Powder Or Crystal | Crystalline Hydrate | Dihydrate |
| Life Span | Two Years | Molecular Weight | 90.0349 |
| Density | 1.772 G/cm³ | ||
| Highlight | clean ceramic oxalic acid powder,clean ceramic ch2oh ch2oh oxalic acid,6153-56-6 oxalic acid powder |
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| 20 GP container | Maximum load (tons) | |
|---|---|---|
| With tray | 25 | |
| No tray | 22 |
Product Description
White Crystal Particle Ch2oh Ch2oh Oxalic Acid Recommended For Clean Ceramic
Product Specifications
| Attribute | Value |
|---|---|
| CAS | 6153-56-6 |
| EINECS | 205-634-3 |
| Appearance | White powder or crystal |
| Crystalline hydrate | Dihydrate |
| Life span | Two years |
| Molecular weight | 90.0349 |
| Density | 1.772 g/cm³ |
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.
Physicochemical Properties
- Molecular weight: 126.07 g/mol
- Appearance: White transparent crystal or powder (industrial products may be slightly yellow due to impurities)
- Odor: Tasteless or slightly sour
- Density: 1.65 g/cm³ (20°C)
- Melting point: Dihydrate loses crystalline water at 101-102°C, converting to anhydrous oxalic acid (H₂C₂O₄)
- Solubility: Soluble in cold water (~10g/100mL at 20°C), more soluble in hot water; slightly soluble in ethanol (~5.7g/100mL at 20°C)
- Acidity: Binary acid, stronger than acetic acid (pKa₁=1.25, pKa₂=4.14)
- Reducibility: Can be oxidized by strong oxidants under acidic conditions
- Complexation: Forms soluble complexes with metal ions (e.g., Fe³+, Al³+)
- Thermal decomposition: Decomposes above 150°C producing CO, CO₂ and H₂O
Oxalic Acid Cleaning Applications
1. Metal Cleaning
- Rust removal: Reacts with rust (iron oxide) to produce soluble compounds
- Surface treatment: Cleans stainless steel, copper, aluminum to restore luster and remove oxide layers
2. Stone Cleaning
- Effective for marble and granite surface stain removal
- Requires careful application to avoid corrosion
3. Wood Cleaning
- Bleaches wood to remove stains and discoloration
- Restores original wood color
4. Textile Cleaning
- Removes rust and ink stains from fabrics
- Commonly used in laundry and home cleaning
5. Industrial Equipment Cleaning
- Removes scale and sediment from boilers and pipes
- Maintains equipment efficiency
6. Home Cleaning
- Effective for bathroom and kitchen cleaning
- Removes scale, soap scum, and mineral deposits from tiles, toilets, and sinks
Safety Precautions
- Wear protective gloves and goggles
- Avoid skin and eye contact
- Maintain proper ventilation during use
- Adjust concentration according to cleaning requirements
- Neutralize and properly dispose of waste liquid
Oxalic acid is widely used in cleaning applications, particularly for metal, stone, wood, and textiles. Always follow safety guidelines and environmental protection measures.
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. Customers only need to cover the express fee.
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, you're welcome to visit our facility in Weifang, China. We provide airport pickup/dropoff service.
What if there is a quality problem?
Our professional after-sales team promptly addresses all quality concerns.
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