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Taizhou Nanstar Tungsten Products Factory
Taizhou Nanstar Tungsten Products Factory
16 YRS
Jiangsu, China
Main Products:
Sodium Tungstate Dihydrate / Sodium Tungstate / Tungstic Acid / Ammonium Paratungstate / Sodium Molybdate / Ammonium Molybdate / Ammonium Molybdate / Ammonium Dimolybdate / Ammonium Heptamolybdate / Tungsten Trioxide / Molybdenum iron / Barium Tetraoxomolybdate / Molybdenum Trioxide
Jiangsu, China
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Sodium Tungstate Dihydrate
Sodium Tungstate
Tungstic Acid
Ammonium Paratungstate
Ammonium Paratungstate
Sodium Molybdate
Ammonium Molybdate
Ammonium tetramolybdate
Ammonium Dimolybdate
Hexaammonium Molybdate
Ammonium Heptamolybdate
Tungsten Trioxide
Molybdenum iron
Barium Tetraoxomolybdate
Molybdenum Trioxide
Tungstic Acid / CAS 7783-03-1
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DESCRIPTION
Tungstic Acid
Product name: | Tungstic acid |
CAS no.: | 7783-03-1 |
Molecular formula: | H2WO4 |
Molecular weight: | 249.8634 |
Structural formula: |
|
Typical Properties
Summary
purpose ： It is mainly used to fabricate metallic tungsten, tungsten wire, tungstate salts, carbide, etc. Also used as petrochemical catalysts, dyeing aids and lubricants.
CAS No.
7783-03-1
Formula
H2O4W
Molecular Mass
249.85300
Exact Mass
249.94600
PSA
74.60000
Logp
-0.59120
IUPAC
dihydroxy(dioxo)tungsten
SMILES
O[W](=O)(=O)O
Attribute classification
Matter Classification
inorganic
Category
Inorganic Chemicals > Inorganic Acid
Auxiliary > Textile Auxiliaries
Auxiliary > Textile Auxiliaries
Chemical and Physical Properties
Melting Point
100°C (dec.)
Density
5.5 g/mL at 25 °C
Boiling Point
1473°C
Flash Point
1473°C
Appearance
Light yellow powder
Export information
HS Code
28259011
Export Rebate
0%
Export Formalities
4,x,y
Risk Code
R36/37/38
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