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Niobium Arsenide Industrial Grade 99%

Niobium arsenide is grey powder, which is a semiconductor and photoelectric material. It is also available with lump, chunk and target. Arsenic and niobium are the raw material.

Niobium Arsenide

CAS No.: 12255-08-2 EC No.: 235-503-6 Molecular Formula: NbAs Density: 7.28
NbAs Cu Mg Ni Bi In
99.99% 10 3 8 20 0.5
Fe Cd Si Al Te Pb
20 5 20 15 1 25
NbAs Cu Al Mg Pb Fe
99.9% ≤30 ≤30 ≤20 ≤40 ≤40
Bi Te Si S Na  
≤20 ≤200 ≤20 ≤50 ≤60  

Impurities Unit:ppm

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Samarium Oxide Industrial Grade 99.9%

Samarium oxide is white with faint yellow powder, which is rare earth oxide. It is insoluble in water, but soluble in acid. Sm2O3 is stable at room temperature and pressure, which absorb CO2 and moist in air.

Samarium Oxide

CAS No.:12060-58-1 EINECS No.:235-043-6 Molecular Formula:Sm2O3 Molecular Weight:348.72
Density:8.347 Melting Point:2269℃ Boiling Point:3790℃ Refractive Index:1.97

Applications

Samarium(III) oxide is mainly for production of samarium metal, Co-Sm series permanent magnet material, electronic parts and ceramic capacitor. It is also additive for glass that absorbing infrared ray and coating of photosensitive material.

In chemical industry, samarium trioxide is also a kind of catalyst.

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Tantalum Metal Industrial Grade 99.9%

Tantalum metal is silvery gray metal of body centered cubic structure, which is extremely hard and ductile. It mainly exist in tantalite with niboium.  It is available in powders, sheets, wires, ingots, granules, foils and sputtering targets. Ta resist corrosion from strong acid, especially to sulfuric acid.

Tantalum Metal

CAS No.: 7440-25-7 EINECS No.: 231-135-5 Molecular Formula: Ta Molecular Weight: 180.948
Melting Point: 3000℃ Boiling Point: 5429℃ Density: 16.6  

Applications

Tantalum metal can replace stainless steel in equipment that making various inorganic acids, which have tens times life longer than stainless steel. It can replace noble metal platinum in industries as chemical engineering, electronic and electric.

Tantalum powder process into electrolytic condenser. It forms stable anode oxide film in acid electrolyte. It is also raw material for making transmitting tubes and electric tube parts.

Tantalum can easily process into other shapes, so it act as supplied accessories, heat shield, heater and cooling fin in high temperature vacuum furnace.

Tantalum is raw material for alloys as Ta-W, Ta-W-Hf, Ta-Hf.

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Thallium Formate Industrial Grade 99%

Thallium formate is white crystalline particle or powder, which is a thallium salt. It has extremely strong hygroscopicity. Thallium(I) carbonate or thallium hydroxide is the raw material.

Thallium Formate

CAS No.:992-98-3 EINECS No.:213-599-0 Molecular Formula:TlCHO2 Molecular Weight:249.40
Melting Point:101℃ Density:4.97 UN 1707 6.1/PG 2  

Applications

Thallium(I) formate apply to mix with thallous malonate aqueous solution to make heavy liquid.

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Zirconium Boride Industrial Grade 99%

Zirconium diboride is gray crystal powder, which is minor metal boride. It is heat resistance, which show very high strength both at room temperature and high temperature. ZrB2 gets good thermal shock resistance and small electrical resistance. There are four production methods of ZrB2, direct method, boron carbide method, carbon reduction method and vapour deposition method. Zirconium oxide or zirconium metal is the raw material.

Zirconium Diboride

CAS No.:12045-64-6 EC No.:234-963-5 Molecular Formula:ZrB2 Molecular Weight:112.85
Density:6.085 Melting Point:324.5    

Applications

Zirconium boride uses as composite material normally. It is raw material for cutting tools and electronic elements, especially fitting for surface of antifriction bearing ball.

ZrB2 is raw material for protective tube of different temperature thermocouple, electrode material of electrolytic melting compounds.

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Cadmium Metal Industrial Grade 99.995%

Cadmium Metal

 

Cadmium metal is silver white transition metal, which is available in ingots, rods, sticks, plates, powders, targets and granules. It is soft and toxic, which exist in zinc ore. Cadmium and zinc both are battery material. Cadmium granules slowly oxidize in moist air and lose metal luster. When heating its surface form oxide layer (CdO). With heating cadmium powder can directly react with halogen and other non-metallic elements as sulfurselenium phosphorus. Cadmium ingot is high purity material for semiconductor and reagents.

Cadmium Metal

Purity: 99.995%, 99.999%, 99.99999%

CAS No.: 7440-43-9 EINECS No.: 231-152-8 Molecular Formula: Cd Molecular Weight: 112.411
Melting Point: 320.9℃ Boiling Point: 765℃ Density: 8.642  

Applications

Cadmium rod is raw material for nickel-cadmium battery, plastic, metal plating, pigment, painting, dye and printing ink. It is also raw material for cadmium salts, cadmium vapor lamp, smoke bomb, cadmium mercury reagent, alloys, welding flux and metallurgical deoxidizer and so on.

Cd plates is a kind of reducing agent. It apply to metallurgy.

 

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Chromium Pieces Industrial Grade 99.9%

Chromium pieces are mainly for smelting. Two purity are available, 99% and 99.8%. It could be in other shapes too as lumps, ingots, sheets, rods, granules, wires and so on. Chromium is silvery white metal, which is hard and brittle. It is inactive metal and stable to oxygen and moisture at room temperature. Chromium pieces is of irregular small lumps. 99.99% and 99.95% Cr is product by hydrogen reduction process. 99.5%-99.8% Cr is product by carbon reduction process.

Chromium Pieces

CAS No.: 7440-47-3 EINECS No.: 231-157-5 Molecular Formula: Cr Molecular Weight: 52
Melting Point: 1857℃ Boiling Point: 2672℃ Melting Heat: 1.53*104J/mol Vaporization Heat:2.99*105J/mol

Applications

Chromium metal is mainly for hard alloys, diamond tools, welding materials, stainless steel, targets, vacuuming coating, thermal spraying and ceramics.

Chrome ingots apply to tough malleable steel, stainless steel and acid proof alloy. Pure chromium can apply to electroplate.  It is raw material for high temperature alloys, electro-resistance alloys and precision alloys. It can improve hardness and corrosion resistance in alloy steels. In non-ferrous alloys, chromium lumps can improve high-temperature strength, fracture resistance, corrosion resistance and antioxidant.

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Chromium Powder Industrial Grade 99.9%

Chromium powder is dark gray fine particle, which have strongest hardness. It can protect metal when coating.

Chromium Powder

CAS No.:7440-47-3 EINECS No.:231-157-5 Molecular Formula:Cr Molecular Weight:52
Melting Point:1857℃ Boiling Point:2672℃ Density:7.18  

Applications

Pure chrome powder is for electroplating.

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Erbium Fluoride Industrial Grade 99.5%

Erbium fluoride is roseal crystal, which is rare earth metal fluoride. It is insoluble in water and dilute acid and hard to dissolve in hydrofluoric acid, but dissolve in sulfuric acid. Erbium(III) fluoride is stable at room temperature and pressure. ErF3 use erbium chloride or erbium nitrate as raw material.

Erbium Fluoride

Purity: Er/RE 99.5% 2N5

CAS No.:13760-83-3 EINECS No.:237-356-3 Molecular Formula:ErF3 Molecular Weight:224.25
Density:7.814 Melting Point:1350℃ Boiling Point:2200℃ UN 3288 6.1/PG 3

Applications

Erbium trifluoridie uses in optical coating, optical fiber dopant, laser crystal, monocrystal raw material, laser amplifer, catalytic addictives and so on.

Erbium(III) fluoride film play important roles in space optics, photo-communication, spectrograph and other large optical systems. In far infrared region, rare earth fluorides as YF3LaF3CeF3, HfF4, NdF3 were reported with their optical constant, but rare for ErF3. ErF3 is heavy rare earth fluoride that belong to lanthanum series. In files of recent ten years, reports about erbium(III) fluoride’s infrared ray optical constant is few. Most of researches focus on infrared transmittance glass containing ErF3.

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Lanthanum Oxide Industrial Grade 99.9%

Lanthanum oxide is white orthorhombic system or amorphous powders. It is close to white powder of rhombohedral system or amorphous and hexagonal structure.  Lanthanum trioxide absorb carbon dioxide and moist in air, which turn into lanthanum carbonate. It is hard to dissolve in water, but dissolve in dilute inorganic acids.

Lanthanum Oxide

CAS No.: 1312-81-8 EINECS No.: 215-200-5 Molecular Formula: La2O3 Molecular Weight:325.82
Melting Point:2315℃ Boiling Point:4200℃ Density:6.51 Flash Point:4200

Applications

Lanthanum(III) oxide is mainly for production of special alloys, light-guide fibre, precision optical glass and high refraction optical fiber board, which is fit for camera, microlens, advanced optical instrument prism.

In ceramic industry, it use in producing ceramic capacitors, piezoelectric ceramic dopant and lanthanum oxybromide powder of X-ray luminescent materials.

Lanthanum trioxide doping in lithium oxide or zirconium oxide can apply to make ferrimagnetics. It can improve temperature dependence and dielectric properties of barium titanatestrontium titanate and other feroelectrics. It is also raw material for fiber optic device and optical glass.

La2O3 is raw material for lanthanum boride. It is also catalysts for many kinds of reaction.

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