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powder 99.6% industrial grade in bulk Oxalic Acid 25 kg in food cas 6153-56-6

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Product Introduction

Oxalic acid, also known as ethanedioic acid, is a naturally occurring organic compound found in many plants, including spinach, rhubarb, and sorrel. It is also commercially produced for various industrial applications. Oxalic acid is a dicarboxylic acid with the chemical formula C2H6O6 .

Physical Properties

• Odor: Odorless (when produced by oxidation methods) or slightly acrid (when produced by synthesis methods).

• Boiling Point: 365.1°C.

• Density: 1.9 g/cm³ (25°C).

• Solubility: Soluble in water and ethanol, insoluble in benzene and chloroform.

Chemical Properties

• Reducing Agent: Oxalic acid has strong reducing properties and can be easily oxidized to carbon dioxide and water by oxidizing agents.

• Instability: Decomposes into carbon dioxide, carbon monoxide, and water at 189.5°C or in the presence of concentrated sulfuric acid.

• Esterification: Reacts with alcohols to form esters, such as ethyl oxalate.

 Product Specifications

Item  Type I  Type II
Superior Grade   First Grade Qualified Grade
Oxalic Acid Content (as H₂C₂O₄·2H₂O) (%)  ≥99.6  ≥99.0
Sulfate (as SO₄²⁻) Content (%)  ≤0.07  ≤0.10
Residue on Ignition (850°C) Content (%)  ≤0.01  ≤0.08
Heavy Metals (as Pb) Content (%)  ≤0.0005  ≤0.0010
Iron (as Fe) Content (%)  ≤0.0005  ≤0.0015
Chlorides (as Cl) Content (%) 

≤0.0005 

≤0.0020
Calcium (as Ca) Content (%)  ≤0.0005  ≤0.0020

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 Applications

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Metallurgy Industry

• Precipitation and Separation of Rare Earth Metals: Oxalic acid is commonly used in the precipitation process of rare earth metals. By reacting with rare earth metal ions, it forms oxalate precipitates, thereby achieving the separation and purification of rare earth metals.

• Metal Surface Cleaning: Oxalic acid can remove the oxide layer and rust from metal surfaces. It is often used to clean surfaces of stainless steel, aluminum, copper, and other metals. It can also be used to clean marble and granite, removing stains and scale from the surfaces.

Textile and Dyeing Industry

• Bleaching Agent: Oxalic acid has bleaching properties and is commonly used in the bleaching treatment of textiles. It can remove natural pigments and stains from fabrics, thereby increasing the whiteness of the textiles.

• Mordant: In the dyeing process, oxalic acid can act as a mordant, helping dyes adhere better to fibers and improving the uniformity and fastness of the dyeing.

Packaging and Transportation

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Loading and transportation

We have long-term and stable cooperation with shipping companies such as MSC, MSK, MCC, SITC, TSL, OOCL, COSCO and WANHAI, ensuring safe, fast and timely delivery to 278 customers from 58 countries and regions to their countries.

 Company

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Shouguang Bangze Chemical Co., Ltd. is a comprehensive company with the capability to independently conduct domestic and international trade. Established in 2016 and approved by the Ministry of Commerce and the General Administration of Customs, the company is located in the Laizhou Bay Salt Area, one of China's four major sea salt production areas.

The company specializes in the production and wholesale of a wide range of chemical products, including calcium chloride, magnesium chloride, industrial salt, snow melting agents, sodium sulfate (Glauber's salt), sodium carbonate (soda ash), magnesium oxide, magnesium sulfate, and potassium sodium tartrate. It also deals in fertilizers and building waterproofing materials. In addition to domestic sales, the company exports its products to over a dozen countries, including Japan, South Korea, India, Malaysia, the United States, and Bangladesh.

Since its establishment, Shouguang Bangze Chemical Co., Ltd. has earned a high reputation in the industry for its unique business strategies, reasonable product pricing, and excellent after-sales service. The company adheres to the business philosophy of "surviving by strength and developing by credibility" and serves both the domestic market and the global market. It upholds the principles of "honest business, mutual benefit, and common development," providing high-quality products and considerate services to meet the diverse needs of customers.

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