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Gallium Nitrate Industrial Grade 99%

Gallium nitrate is in hydrate compound normally, like nonahydrate, octahydrate and so on. They are both white crystal powder and tend to dissolve in water. Gallium metal, gallium hydroxide or gallium(III) oxide is the raw material for them. Gallium(III) nitrate hydrate turns into anhydrous compound by vacuum drying  and drying for 48 hour at 40℃.  Their storage should avoid reducing agent and oxidizable material. They melt at 65℃. It hydrolyzes once dissolving in water, which tend to dissolve in ethyl alcohol too.

Gallium Nitrate

CAS No.: 13494-90-1 EC No.:236-815-5 Molecular Formula:Ga(NO3)3.nH2O Molecular Weight:255.73
Melting Point:110℃ UN 1477 5.1/PG 3    


CAS No.:69365-72-6 EC No.:236-815-5 Molecular Formula:GaN3O9.xH2O Molecular Weight:255.74
Melting Point:230℃    


Silver Powder Industrial Grade 99.9%

Silver powder is a ultra fine precious metal particles, which has best electrical conductivity and thermal conductivity among all metal elements. Its reflectivity is extremely high, which can reach above 99%. Silver nano powder is insoluble in water, but resolve in dilute nitric acid and hot concentrated sulfuric acid. Its chemical property is stable and doesn’t react with moisture and oxygen in air. Inhaling or touching silver ultra fine powder or smog cause blue grey spot slowly, which would never fade away. Please be cautious when handling. Ultra fine silver powder’s processing is reduction from silver nitrate solution.

Silver Powder

CAS No.:7440-22-4 EINECS No.:231-131-3 Molecular Formula:Ag Molecular Weight:107.87
Melting Point:960℃ Boiling Point:2164℃ Density:10.49 Electrical Conductivity:63*106
Heat Conductivity:429 Specific Resistance:1.586*10-8 Electronegativity:1.93 Specific Heat:232


In electronic industry, silver ultra fine  powder applies to prepare sintered conductive paste with high temperature  and conductive coating. It is main conductive content for thick film ink. The silver paste using silver ultra fine powder has many advantages, for instance, good wettability, good printing, excellent sintering film. It applies to make thick film mixture IC, resistor, multi-layer capacitor and sensitive element.

Nano silver powder can apply to conductive magnetic material, high-performance catalyst and antibacterial agent. However sheet silver powder mainly applies to conducting coating layer and conductive pole of low temperature silver paste.

Silver powder also can apply to process alloys, high pure silver salts and high pure analytical reagents. It is for coating silver and doping.

Sulfur Pellet Industrial Grade 99.9%

Sulfur pellet is light yellow crystalline element, which have special smell. The size is customizable. It is insoluble in water. It is faintly soluble in ethyl alcohol and diethyl ether, but tend to dissolve in carbon sulfide, benzene and methylbenzene.

Sulfur Pellet

Purity: 99.99% Diameter: 18~25mm Thickness: 3~5mm

Purity: 99.999%, 99.9999%

CAS No.: 7704-34-9 EINECS No.: 231-722-6 Molecular Formula: S Molecular Weight: 32.7
Melting Point: 112.8℃ Boiling Point: 444.6℃ Density: 1.92~2.07 UN 1350 4.1/PG 3


Sulfur can apply to prepare sulfuric acid, liquid sulfur dioxide, sodium sulfide, carbon disulfide, thionyl chloride and chromium oxide green. In dye industry, it is for manufacturing sulfur dyestuff. It also gets applications in pesticide and firecracker.

Sulfur pellet has uses in metallurgy, mineral separation, hard alloy, medicine, rubber, chemical fiber and food industry.

Terbium Oxide Industrial Grade 99.9%

Terbium oxide include terbium(III) oxide and terbium(III,IV) oxide. Terbium(III) oxide is dark brown powder, however terbium(III, IV) oxide is sepia powder. Common oxide of terbium is terbium(III, IV) oxide. Tb2O3 is insoluble in water, however soluble in mineral acid. Tb4O7 is easily soluble in acid, however not soluble in water.

CAS No.:12036-41-8EINECS No.:234-849-5Molecular Formula:Tb2O3Molecular Weight:365.85Melting Point:2200   CAS No.:12037-01-3EINECS No.:234-856-3Molecular Formula:Tb4O7Molecular Weight:747.69Melting Point:2337℃Density:8.33  


Terbium(III, IV) oxide is additive for yttrium iron garnet and yttrium aluminium garnet. It is raw material for production of terbium metal. It also acts as activator of fluorescent powder, which is fluorophor of X-ray intensifying screen. Tb4O7 is additive for magnetic material and fluorescent powder too.

Aluminum Oxide Industrial Grade 99.9%

Aluminum oxide nano powder is white fine particles. It is insoluble in water, alcohol and ether.

Aluminum Oxide Nano Powder

CAS No.:1344-28-1 EINECS No.:215-691-6 Molecular Formula:Al2O3 Molecular Weight:101.96
Melting Point:2045℃ Boiling Point:2980℃ Density:3.9  


Aluminum(III) oxide is a kind of catalyst and carrier of catalyst, which is main catalyst and carrier in petroleum refining and petrochemical engineering. It is also humectant for air and other gases and acid removal agent for transformer oil and turbine oil.

Aluminum trioxide is an filling material and sealing material too. It is filling material for chemical fiber, the rubbing agent in rubbing face agent in cosmetics and rubbing agent in toothpaste.

Cerium Nitride Industrial Grade 99.5%

Cerium nitride is brown powder of NaCl type structure (a=0.501nm), which is soluble in acid. It is stable at high temperature and release ammonia. It react with alkali in electric arc furnace. CeN is dangerous when wet. Cerium sheet or cerium metal is the raw material.

Purity: Ce/RE 99.5%

Particle size: -100mesh, -200mesh

CAS No.:25764-08-3EINECS No.:247-243-0Molecular Formula:CeNMolecular Weight:154.122Density:7.89Melting Point:2557℃  


CeN powder is a kind of semiconductor material, photoelectric material, refractory material and ceramic material.

Indium Metal Industrial Grade 99.995%

Indium metal covers a series of products as ingot, wire, foil, plate, sheet, granule, shot, bar and so on. It is soft and ductile. Indium is mainly raw material for low-melting alloy, bearing alloy, semiconductor and photoelectric.

Indium Metal

Purity:99.995%, 99.999%, 99.9999%, 99.99999%

CAS No.: 7440-74-6 EINECS No.: 231-180-0 Molecular Formula:In Molecular Weight:114.818
Melting Point:156.61℃ Boiling Point: 2060℃ Density:7.30  


Indium metal is mainly for production of ITO target that is for production of LCD and flat screen.

The wire is a kind of sealing material. its sizes are customizable according to requirements.  it is also a kind of welding material. To compress cost, it alloy with tin.

The foil is a kind of metal target that is for sputtering.

The powder is raw material for electroconduction slurry and dental filling.

Iridium Powder Industrial Grade 99.5%

Iridium powder is dark gray sponge particle, which is a kind of noble metal. Its chemical property is stable, which is most corrosion resistant metal and it has great resistance to acid. Only sponge iridium powder slowly dissolve in hot aqua regia.

Iridium Powder

CAS No.: 7439-88-5 EINECS No.: 231-095-9 Molecular Formula: Ir Molecular Weight: 192.22
Melting Point: 2410℃ Boiling Point: 4130℃ Density: 22.421  


Pure Iridium metal, Pt-Ir alloy and  Ir-Rh alloy apply to make scientific instruments, thermocouple and resistive conductor. Adding iridium element in platinum would improve its corrosion resistance in water, acid and halogen and mechanical strength under 500℃。

Many oxide monocrystals of high melting point grow in crucible of pure iridium. Iridium pieces can process into iridium wires, which is for high temperature antioxidant thermocouple material and filament material.

Iridium slugs get uses in ignition plug, electrode of alkali method  and chemical catalysts.

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

Tetrasodium Pyrophosphate Decahydrate

Tetrasodium Pyrophosphate Decahydrate is used as water softener, emulsifier, metal detergent, boiler water treatment agent, drilling mud viscosity regulator, washing auxiliaries, paper bleaching, electroplating industry, in the food industry used as slow granule, emulsifier, nutrition agent and quality improver.

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