Tantalum pentoxide
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Tantalum pentoxide
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CAS No:
1314-61-0
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Formula:
O5Ta2
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Chemical Name:
Tantalum pentoxide
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Synonyms:
Tantalum oxide (Ta2O5);Tantalic acid anhydride;Tantalum pentaoxide;Tantalum pentoxide;Tantalum pentoxide (Ta2O5);Tantalum(V) oxide;Ditantalum pentoxide;Ditantalum pentaoxide;Tantala;Tantalum oxide;Cerac T 1013;Tantalum oxide (TaO2.5);Tantalum oxide (Ta0.8O2);TBTEMT;12653-86-0;53095-18-4;184226-71-9;1425543-21-0;1803311-52-5
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CAS No:
Characteristics
77.5
-0.54360
White to white-beige lumps
8 g/cm3
1875 °C
Insoluble in water.
Oral-rat LD50: 8000 mg/kg; Oral-Mouse LD50: 4000 mg/kg
Non-combustible;
Safety Information
NONH for all modes of transport
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36/37/38
37/39-26
WW5855000
Xi
1. Place in a closed container. 2. Avoid generating dust.
Tantalum pentoxide Use and Manufacturing
The potassium fluorotantalate method heats potassium fluorotantalate and sulfuric acid to 400°C. The reactants are added with water to boiling. After fully diluted, the acidified solution is hydrolyzed to form a hydrated oxide precipitate, which is then separated, washed, and dried to obtain pentoxide. Tantalum products. Its 2K2TaF7+2H2SO4+5H2O→Ta2O5+2K2SO4+14HF metal tantalum oxidation method dissolves metal tantalum flakes in nitric acid and hydrofluoric acid mixed acid, after extraction and purification, precipitates tantalum hydroxide with ammonia water, and then washed, dried and burned 3. Grind finely to get the finished product of tantalum pentoxide. Its 3Ta+5HNO3+21HF→3H2TaF7+5NO+10H2OH2TaF7+7NH4OH→Ta(OH)5+7NH4F+2H2O2Ta(OH)5→Ta2O5+5H2O
Tantalum pentoxide is used in making high refractive index optical glass; as a dielectric film on tantalum for its use as a capacitor component and rectifier; and for preparing tantalum metal, its carbide, and many other tantalum compounds.
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Learn More Other Chemicals
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Strontium tantalum oxide (SrTa2O6)
12065-74-6
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Sodium tantalum oxide (NaTaO3)
12034-15-0
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Tantalum oxide (TaO2)
12036-14-5
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Tantalum sulfide (TaS2) Formula
12143-72-5
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Tantalum chloride (TaCl3) Formula
13569-67-0
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Cadmium tantalum oxide (CdTa2O6) Formula
12292-07-8
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Tantalum boride (TaB) Structure
12007-07-7
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Tantalum hydride (TaH) Structure
13981-95-8
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What is Tantalum boride (TaB2)
12007-35-1
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What is Barium tantalum oxide (BaTa2O6)
12047-34-6