Riel Chemical Co., Ltd.
| Payment Terms | L/C, T/T |
| Supply Ability | 50Tons perday |
| Delivery Time | 5 works |
| Packaging Details | 25kg polyethylene woven bag,moisture-proof,easy to transport. |
| Colour | white |
| CAS | 6153-56-6 |
| EINECS NO | 205-634-3 |
| Grade standard | Industrial Grade |
| Application | Pickling, iron removal reducing agent, bleaching |
| Acidity | Medium strong acid |
| Packing | 25kg PP Bag |
| Shelf Life | 2years |
| Solubility | Water Soluble |
| Warning of dangerous goods | Slightly corrosive |
| Smell | Odorless solid |
| Brand Name | Riel Chemical |
| Model Number | 99.6% |
| Certification | SGS,9001,ISO |
| Place of Origin | Weifang, Shandong |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 50Tons perday |
| Delivery Time | 5 works | Packaging Details | 25kg polyethylene woven bag,moisture-proof,easy to transport. |
| Colour | white | CAS | 6153-56-6 |
| EINECS NO | 205-634-3 | Grade standard | Industrial Grade |
| Application | Pickling, iron removal reducing agent, bleaching | Acidity | Medium strong acid |
| Packing | 25kg PP Bag | Shelf Life | 2years |
| Solubility | Water Soluble | Warning of dangerous goods | Slightly corrosive |
| Smell | Odorless solid | Brand Name | Riel Chemical |
| Model Number | 99.6% | Certification | SGS,9001,ISO |
| Place of Origin | Weifang, Shandong | ||
| High Light | standard oxalic acid ，national h2c2o4 2h2o ，national oxalic acid | ||
Supply High Content National Standard Oxalic Acid for Sewage Treatment
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.
Physicochemical property
| 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: The dihydrate lost its crystalline water at 101-102°C and was converted to anhydrous oxalic acid (H₂C₂O₄). Anhydrous oxalic acid sublimates at about 189.5°C and decomposes at high temperatures. | |
| Solubility: Water: soluble in cold water (about 10 g/100 mL, 20°C), hot water solubility is higher. Ethanol: slightly soluble (approx. 5.7g /100 mL, 20°C) | |
| Acid: Binaric acid, acidic stronger than acetic acid (pKa₁=1.25, pKa₂=4.14); It can react with bases, metal oxides, carbonates to form salts (such as sodium oxalate, calcium oxalate). | |
| Reducibility: Under acidic conditions can be oxidized by strong oxidants (such as potassium permanganate) to produce CO₂ and H₂O | |
| Complexation: Oxalate (C₂O₄²⁻) forms a soluble complex with metal ions (e.g. Fe³+, Al³+). It is used in metal cleaning or rust removal. | |
| Thermal decomposition: Decomposition when heated above 150°C, producing CO, CO₂ and H₂O: | |
Other attributes
Classification:Carboxylic Acid
Place of Origin:Weifang China
Other Names:Oxalic Acid Dihydrate, Ethanedioic Acid
chemical formula/MF:C2H6O6
EINECS No:205-634-3
Grade Standard: Industrial Grade
Appearance:White crystal particles/powder
Application:Printing And Dyeing/ Catalyst/ Reductant/Cleaning
Brand Name:Riel Chem
Package:25kg/bag
Packing:25kg bag
MOQ:5 Ton
Shelf Life:2 Years
Shipping port: Qingdao Port
Chemical Application
Gold industry: used for precipitation separation of rare earth metals;
Organic synthesis: used for 2133 resin, electric jade powder, butyl catalyst, etc.
Light industry: used for leather, wood, aluminum products, marble polishing, rust removal, bleaching,
scale removal, etc.
Printing and dyeing industry: used to replace acetic acid, for fast pigment group dyes dyeing agent;
Pharmaceutical industry: Used in tetracycline, oxytetracycline, borneol and other fine preparations;
Other aspects: Analytical reagents, pharmaceutical industry, chemical raw materials
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.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2005
Total Annual:
4500000-5000000
Employee Number:
>121
Ecer Certification：
Verified Supplier
Riel Chemicals – Leading Enterprise in Basic Chemical Manufacturing Who we are ? Established in 2005 and headquartered in Weifang City, Shandong Province—a hub of China’s chemical industry—Riel Chemicals is a national high-tech enterpri... Riel Chemicals – Leading Enterprise in Basic Chemical Manufacturing Who we are ? Established in 2005 and headquartered in Weifang City, Shandong Province—a hub of China’s chemical industry—Riel Chemicals is a national high-tech enterpri...
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