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ChemicalBook >> CAS DataBase List >> TUNGSTEN (IV) OXIDE

TUNGSTEN (IV) OXIDE

TUNGSTEN (IV) OXIDE price.
  • $70 - $1178.67
  • Product name: TUNGSTEN (IV) OXIDE
  • CAS: 12036-22-5
  • MF: O2W
  • MW: 215.84
  • EINECS:234-842-7
  • MDL Number:MFCD00049709
  • Synonyms:Tungsten(IV) oxide, 99.9% (metals basis);Wolfram(IV)dioxide;Tungsten(IV) oxide -100 mesh, 99.99% trace metals basis;Tungsten(IV) oxide, 99.9% trace metals basis;Tungsten oxide (WO2);WO2;TUNGSTEN DIOXIDE;TUNGSTEN OXIDE
7 prices
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Brand
  • Alfa Aesar
  • American Custom Chemicals Corporation
  • Sigma-Aldrich
  • Strem Chemicals
Package
  • 5g
  • 10G
  • 25g
  • 50g
  • 100g
  • ManufacturerAlfa Aesar
  • Product number040367
  • Product descriptionTungsten(IV) oxide 99.9% (metals basis)
  • Packaging100g
  • Price$623.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product number040367
  • Product descriptionTungsten(IV) oxide 99.9% (metals basis)
  • Packaging25g
  • Price$240
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product number040367
  • Product descriptionTungsten(IV) oxide 99.9% (metals basis)
  • Packaging5g
  • Price$77.9
  • Updated2024-03-01
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberING0007340
  • Product descriptionTUNGSTEN(IV) OXIDE 95.00%
  • Packaging10G
  • Price$1178.67
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number400505
  • Product descriptionTungsten(IV) oxide 100 mesh, 99.99% trace metals basis
  • Packaging10g
  • Price$120
  • Updated2024-03-01
  • Buy
  • ManufacturerStrem Chemicals
  • Product number74-7430
  • Product descriptionTungsten(IV) oxide (99.9%-W)
  • Packaging50g
  • Price$270
  • Updated2021-12-16
  • Buy
  • ManufacturerStrem Chemicals
  • Product number74-7430
  • Product descriptionTungsten(IV) oxide (99.9%-W)
  • Packaging10g
  • Price$70
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Alfa Aesar 040367 Tungsten(IV) oxide 99.9% (metals basis) 100g $623.65 2024-03-01 Buy
Alfa Aesar 040367 Tungsten(IV) oxide 99.9% (metals basis) 25g $240 2024-03-01 Buy
Alfa Aesar 040367 Tungsten(IV) oxide 99.9% (metals basis) 5g $77.9 2024-03-01 Buy
American Custom Chemicals Corporation ING0007340 TUNGSTEN(IV) OXIDE 95.00% 10G $1178.67 2021-12-16 Buy
Sigma-Aldrich 400505 Tungsten(IV) oxide 100 mesh, 99.99% trace metals basis 10g $120 2024-03-01 Buy
Strem Chemicals 74-7430 Tungsten(IV) oxide (99.9%-W) 50g $270 2021-12-16 Buy
Strem Chemicals 74-7430 Tungsten(IV) oxide (99.9%-W) 10g $70 2021-12-16 Buy

Properties

Melting point :1500-1600°C
Boiling point :1730℃[at 101 325 Pa]
Density :12,11 g/cm3
solubility :insoluble in H2O, organic solvents
form :Powder
Specific Gravity :12.11
color :brown
Water Solubility :Soluble in acid and potassium hydroxide. Insoluble in water.
Crystal Structure :MoO2 type
crystal system :Monoclinic
Space group :P21/c
Lattice constant :
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.55630.48960.566390120.657900.1327

Exposure limits :ACGIH: TWA 3 mg/m3
NIOSH: TWA 5 mg/m3; STEL 10 mg/m3 CAS DataBase Reference :12036-22-5(CAS DataBase Reference)
EPA Substance Registry System :Tungsten oxide (WO2) (12036-22-5)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.

Description

Tungsten(IV) oxide is used in the production of tungsten and tungstates, in alloys, in fire-proofing fabrics and as a ceramic pigment. It is used to study their chromism, photocatalysis and sensing capabilities. It is associated with rhenium trioxide particles and used for detection of protonatable, radical and precharged species under laser desorption ionization.

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