Your Professional Inorganic Manufacturer!
Located in Xiasha Economic Development Park of Hangzhou city (capital of Zhejiang province in the southeast coastal region of China), Hangzhou Dingyan Chem Co.,Ltd is a modern private enterprise; The company was founded in 2013 and has more than ten years of experience in this industry. we are mainly engaged in the development, trade and independent import and export business of hi-tech products such as pharmaceutical materials (APIs), pharmaceutical intermediates, fine chemicals and biochemical reagents, etc.
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![Lithium Tetraborate12007-60-2]()
Lithium Tetraborate12007-60-2Appearance:White powder. Li2B4O7:99.99%min. Al:0.0005% max. As:0.0001% maxread more -
![Palladium Hydroxide 12135-22-7]()
Palladium Hydroxide 12135-22-7Appearance:Dark-brown to black crystalline powder. Assay/Pb:≥75%. Melting Point:297-298ºC. Solubility:Soluble in acetic, insoluble in waterread more -
![Copper(ii) Oxide 1317-38-0]()
Copper(ii) Oxide 1317-38-0Characters:Black or sepia not qualitative powder. Assay:≥99.0%. Hydrochloric acid insolublesubstance:≤0.02%. Chloride:≤0.003%. Sulfide:≤0.01%read more -
![Chrome Sulphate 39380-78-4]()
Chrome Sulphate 39380-78-4Appearance:purple powderCAS:39380-78-4Molecular weight: 343.20772read more -
![Sodium Azide 26628-22-8]()
Sodium Azide 26628-22-8Sodium azide, chemical formula NaN3, is an inorganic compound, white hexagonal crystal, tasteless, odorless, non-hygroscopic, highly toxic, insoluble in ether, slightly soluble in ethanol, soluble inread more -
![Sodium Perchlorate Monohydrate 7791-07-3]()
Sodium Perchlorate Monohydrate 7791-07-3Appearance： White to slightly yellow,OdorlessCAS: 7791-07-3Solubility:Soluble in waterMelting point 130 ℃Molecular formula: NaClO4·H2Oread more -
![Sodium Hydroxide 1310-73-2]()
Sodium Hydroxide 1310-73-2Assay (NaOH) ≥98.5. Sodium Carbonate（Na2Co3)≤0.5. Sodium Chloride（NaCL） ≤0.03. Iron Sesquioxide (Fe2O3) ≤0.005read more -
![Yttrium Oxide 1314-36-9]()
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![Sodium Ethoxide 141-52-6]()
Sodium Ethoxide 141-52-6Appearance White to yellowish powder. Alkaline sodium ≤0.5%. Dissociate alkali ≤1.5%. Assay ≥98.5%read more -
![Lanthanum Oxide 1312-81-8]()
Lanthanum Oxide 1312-81-8Appearance:white powder at room temperatureCAS number: 1312-81-8TREO≥98.00%CeO2< 0.004Pr6O11< 0.002Nd2O3<0.001Sm2O<0.001Y2O3<0.001read more -
![Potassium Persulfate 7727-21-1]()
Potassium Persulfate 7727-21-1Appearance:White crystalline powder. Purity≥99.0%min. Free acid:0.10%max. Iron:0.001%maxread more -
![Cesium Carbonate 534-17-8]()
Cesium Carbonate 534-17-8Appearance:white powderCs2CO3 ≥99.9%. Li ≤5ppm. Na ≤50ppm. K ≤50ppmread more
Why Choose Us
Rich Experience
The company was founded in 2013 and has more than ten years of experience in this industry.
High Quality
Our products are manufactured or executed to very high standards, using the finest materials and manufacturing processes.
Research And Development
Insisting on the development path of "scientific and technological innovation" since our foundation, dingyan-chemical has laid great stresses on the research and development of scientific and technological innovation.
Production Market
Dingyan's products are well sold in more than 60 countries and regions in North America, Western Europe, Southeast Asia, Central and South America, and then established long-term and steady relations of cooperation with many pharmaceutical enterprises in Europe, USA, Greece, Germany, South Korea and India, etc.
Types of Inorganic
The inorganic produced by our company mainly include the following types:
Lithium Tetraborate12007-60-2
Lithium tetraborate, white crystals. Melting point :760-880 °C (lit.). Slightly soluble in water, insoluble in ethanol and other organic solvents. CAS No.: 12007-60-2, Molecular formula: B4Li2O7, Molecular weight: 169.12, EINECS No.: 234-514-3.
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Items |
Standard |
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Appearance |
White powder |
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Li2B4O7 |
99.99%min |
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Al |
0.0005% max |
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As |
0.0001% max |
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Ca |
0.001% max |
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Cd, Co, Cr, Pb |
0.0005% max |
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Cu |
0.0005% max |
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Fe |
0.0005% max |
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K |
0.0005% max |
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Mg |
0.0005% max |
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Na |
0.0005% max |
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Pb |
0.0002% max |
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Si |
0.001% max |
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S |
0.001% max |
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Bulk density |
0.5-0.7g/cm3 min |
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LOI(650Deg.C,1h) |
0.4% max |
Potassium Persulfate 7727-21-1
Potassium persulfate (CAS: 7727-21-1, molecular weight: 270.32, decomposition temperature: 50-60°C) is a white, odorless crystal that is soluble in water and insoluble in ethanol. It has strong oxidizing properties, minimal moisture absorption, and good stability at room temperature. It is easy to store and offers the advantages of convenience and safety.
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Items |
Specification |
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Appearance |
White crystalline powder |
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Purity≥% |
99.0%min |
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Free acid |
0.10%max |
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Iron |
0.001%max |
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Moisture |
0.15%max |
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Ammonium |
0.50%max |
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Chloride |
0.01%max |
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Active oxygen |
5.86%min |
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Heavy metal(as pb) |
0.0005%max |
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Manganese |
0.0001%max |
Advantages of Inorganic
High Melting Point: Lithium tetraborate has a relatively high melting point, around 917 degree centigrade, which makes it useful for applications requiring materials that can withstand high temperatures.
Solubility: Lithium tetraborate is sparingly soluble in water, which means it dissolves only to a small extent. This property can be advantageous in certain chemical processes where controlled solubility is desired.
Thermal Stability: Lithium tetraborate exhibits good thermal stability, which is essential for its use in various high-temperature applications, such as in the manufacturing of ceramics and glasses.
Fluxing Agent: In metallurgy, lithium tetraborate is used as a fluxing agent, aiding in the removal of impurities during the smelting process.
Analytical Chemistry: Lithium tetraborate is utilized in analytical chemistry as a flux for the fusion of samples prior to X-ray fluorescence (XRF) analysis. It helps in forming a homogeneous melt and improving the accuracy of the analysis.
Radiation Shielding: Due to its boron content, lithium tetraborate is sometimes used as a neutron shielding material in nuclear reactors and other applications where protection against radiation is required.
Lithium Source: Lithium tetraborate serves as a source of lithium ions in various chemical reactions and processes, contributing to the functionality of lithium-based materials.
Advantages of Potassium Persulfate 7727-21-1
High Efficiency
Potassium persulfate is highly effective as an oxidizing agent, providing excellent results in bleaching, polymerization, and disinfection processes.
Versatility
Its diverse applications across textile and paper industries demonstrate its versatility and adaptability to various industrial processes.
Stability and Ease of Handling
Potassium persulfate is known for its good storage stability and is almost non-hygroscopic, meaning it doesn't readily absorb moisture, making it easy to store and handle.
Environmental Friendliness
Compared to some traditional chemicals, potassium persulfate offers a more environmentally friendly option with reduced harmful by-products.
Polymerization Initiator
It's a common initiator in various polymerization reactions, including those for acrylic, vinyl, and styrene-based resins.
Oxidizing Agent
Its strong oxidizing properties make it useful in bleaching, desizing, and various other chemical processes.
Application of Inorganic
Application of Lithium Tetraborate12007-60-2
Glass Manufacturing: Lithium tetraborate is widely used as a flux in glass manufacturing processes. It lowers the melting temperature of silica (SiO2) and other ingredients, facilitating the melting process and improving the thermal and chemical resistance of the resulting glass. This makes it useful in the production of specialty glasses, including those used in optical devices, laboratory glassware, and high-temperature applications.
Metallurgy: In metallurgical processes, lithium tetraborate acts as a fluxing agent. It helps reduce the melting point of metal oxides, aiding in the removal of impurities and improving the efficiency of metal refining and alloying processes.
Analytical Chemistry: Lithium tetraborate is utilized as a flux in sample preparation for X-ray fluorescence (XRF) analysis. It facilitates the fusion of solid samples, ensuring homogeneity and improving the accuracy and precision of elemental analysis.
Nuclear Industry: Due to its boron content, lithium tetraborate is employed as a neutron shielding material in nuclear reactors and other facilities where radiation protection is required. It effectively absorbs neutrons, helping to mitigate radiation hazards.
Ceramics: Lithium tetraborate is used in the manufacturing of ceramics, particularly in glazes and enamels. It aids in controlling the viscosity of ceramic slurries and enhances the properties of the final product, such as hardness, thermal stability, and resistance to chemical corrosion.
Thermoluminescence Dosimetry (TLD): Lithium tetraborate crystals are utilized as dosimeters in radiation dosimetry applications. When exposed to ionizing radiation, these crystals trap energy, which can be subsequently released as visible light upon heating. This property makes them valuable for measuring radiation doses in medical and industrial settings.
Electronics: In electronics, lithium tetraborate is used in the production of lithium borate glasses and ceramics, which have applications in capacitors, insulators, and other electronic components due to their dielectric properties and thermal stability.
Biomedical Research: Lithium compounds, including lithium tetraborate, are studied for potential biomedical applications. Research is ongoing to explore their use in drug delivery systems, biomaterials, and medical imaging due to their biocompatibility and unique chemical properties.
Application of Potassium Persulfate 7727-21-1
Polymerization Initiator: Potassium persulfate is commonly used as a polymerization initiator in various industries. It initiates the polymerization process in the production of polymers such as acrylics, vinyl, and styrene. Its high reactivity and ability to generate free radicals make it an effective initiator for polymerization reactions.
Water Treatment: Potassium persulfate finds application in water treatment processes. It is used for the removal of contaminants, including organic pollutants, from wastewater. Potassium persulfate’s strong oxidizing properties help break down harmful substances, improving the quality of water.
Etching Agent: In the electronics industry, potassium persulfate is utilized as an etching agent for printed circuit boards (PCBs). It selectively removes copper from the PCB surface during the etching process, leaving behind the desired circuit pattern.
Textile and Paper Industries: Potassium persulfate is employed in the textile and paper industries. It serves as a bleaching agent for textile fibers and paper pulp. Potassium persulfate effectively removes colorants, impurities, and residual chemicals, resulting in bright and clean textiles and paper products.
Food Additive: While not as common as in industrial applications, potassium persulfate may be used in food processing as a dough conditioner or bleaching agent. It helps improve the texture and quality of baked goods and may assist in the removal of certain food contaminants.
Storage and transportation
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68716-47-2, Diphenyl Acetonitrile