Riel Chemical Co., Ltd.

China,Weifang ,Shandong
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Colorless Oxalic Acid Crystals 99.6% Oxalic Acid Rust Remover Monoclinic

China Colorless Oxalic Acid Crystals 99.6% Oxalic Acid Rust Remover Monoclinic

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Colorless Oxalic Acid Crystals 99.6% Oxalic Acid Rust Remover Monoclinic

MOQ： 1Tons
Price： USD120-200FOB
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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.
CAS	6153-56-6
EINECS NO	205-634-3
Grade standard	Industrial Grade
Application	Pickling, iron removal reducing agent, bleaching
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 Details
Company Details

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.
CAS	6153-56-6	EINECS NO	205-634-3
Grade standard	Industrial Grade	Application	Pickling, iron removal reducing agent, bleaching
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	Colorless Oxalic Acid Crystals 99.6% ，99.6% Oxalic Acid Rust Remover ，Oxalic Acid Crystals 99.6%

Rust Removal Colorless Monoclinic Granular Oxalic Acid Direct Supply

Product Attributes

Attribute	Value
CAS	6153-56-6
EINECS NO	205-634-3
Grade standard	Industrial Grade
Application	Pickling, iron removal reducing agent, bleaching
Shelf Life	2 years
Solubility	Water Soluble
Warning of dangerous goods	Slightly corrosive
Smell	Odorless solid

Product Description

Rust Removal Colorless Monoclinic Granular Oxalic Acid Direct Supply

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:

Product Advantages of Riel Chemical

1. Technical advantages

Mature production technology: Riel Chemical has more than 20 years of experience in the field of nitric acid production, its production of concentrated nitric acid and dilute nitric acid products of stable quality, better than national standards, to meet the needs of rare earth, electronics, reagents and other high-end industries.

2. Product quality advantage

High standard quality control: Riel Chemical's product quality is strictly controlled, and its potassium nitrate, magnesium nitrate and other products are not only better than the national excellent product standards, but also obtained the EU REACH certification, which can meet the needs of high-end applications.

Environmental protection and sustainable development: The company focuses on green manufacturing, practices environmental protection concepts through resource recycling and waste reduction, and is committed to building "China green chemical brand".

3. Industrial chain advantage

Integrated industrial chain layout: Riel Chemical has formed a complete industrial chain from nitric acid to potassium nitrate, magnesium nitrate, nitro water-soluble fertilizer and other products, which not only improves production efficiency, but also enhances market competitiveness.

Strong industrial chain extension ability: the company is supported by nitric acid technology, and continues to expand business upstream and downstream, for example, by raising investment projects to further extend to the integration pattern of "nitric acid-high-purity nitrate-molten salt", creating new growth points for future development.

4. Market and customer advantages

Extensive supply and marketing network: Rier Chemical has established long-term and stable cooperative relations with upstream and downstream quality customers and suppliers to ensure the stable supply of raw materials and product sales channels.

International market layout: The company's products not only occupy an important position in the domestic market, but also exported to the Middle East, Western Europe, Southeast Asia, the United States and other more than 20 countries and regions, becoming a stable upstream supplier of multinational companies.

5. Environmental protection and energy saving advantages

Energy saving and environmental protection technology: Through the design of circulating water process route, Riel Chemical reduces the energy consumption of water, electricity and steam, and realizes an efficient and low-consumption production mode.

Green manufacturing concept: The company integrates environmental protection and sustainable development into the strategic layout, and meets the high requirements of society for environmental protection by improving the level of cleaner production.

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 specialized 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

Bronze Gleitlager

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and

Graphite Plugged Bushings

from Quality China Factory

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Business Type:

Manufacturer,Exporter 


Year Established:

2005 


Total Annual:

4500000-5000000


Employee Number:

120~200 


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 enterprise specializing in the R... 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 enterprise specializing in the R...

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Riel Chemical Co., Ltd.
1007, Qingzhou Taihua Building, Weifang City, Shandong Province, China
https://www.thio-urea.com/

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