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ChemicalBook > Product Catalogue >Inorganic chemistry >Elementary substance >Tungsten

Tungsten

Tungsten Structure
  • ₹1809 - ₹240399
  • Product name: Tungsten
  • CAS: 7440-33-7
  • MF: W
  • MW: 183.84
  • EINECS:231-143-9
  • MDL Number:MFCD00011461
  • Synonyms:W 000120;W 000270;W 000130;W 000219;W 007925;W 005135;W 005132;W 000225
188 prices
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  • Sigma-Aldrich
  • ALFA India
  • Sigma-Aldrich(India)
  • SRL
  • ottokemi

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  • ManufacturerSigma-Aldrich
  • Product number357197
  • Product descriptionTungsten foil, thickness 0.127?mm, ≥99.9% trace metals basis
  • Packaging25CM2
  • Price₹6282.6
  • Updated2022-06-14
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number356972
  • Product descriptionTungsten wire, diam. 0.5?mm, ≥99.9% trace metals basis
  • Packaging18.9G
  • Price₹8250.1
  • Updated2022-06-14
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number357189
  • Product descriptionTungsten foil, thickness 0.5?mm, ≥99.9% trace metals basis
  • Packaging24G
  • Price₹12853.8
  • Updated2022-06-14
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number357197
  • Product descriptionTungsten foil, thickness 0.127?mm, ≥99.9% trace metals basis
  • Packaging100CM2
  • Price₹19125.3
  • Updated2022-06-14
  • Buy
  • ManufacturerALFA India
  • Product numberALF-012973-88
  • Product descriptionTungsten powder, -22 mesh, Puratronic™, 99.999% (metals basis)
  • Packaging2.5g
  • Price₹2678
  • Updated2022-05-26
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  • ManufacturerALFA India
  • Product numberALF-039691-04
  • Product descriptionTungsten powder, APS 4-6 micron, Puratronic™, 99.999% (metals basis), Mo <1ppm
  • Packaging2g
  • Price₹2779
  • Updated2022-05-26
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  • ManufacturerALFA India
  • Product numberALF-010410-G1
  • Product descriptionTungsten wire, 0.75mm (0.03in) dia, 99.95% (metals basis)
  • Packaging1m
  • Price₹3651
  • Updated2022-05-26
  • Buy
  • ManufacturerALFA India
  • Product numberALF-010400-22
  • Product descriptionTungsten powder, APS 1-5 micron, 99.9% (metals basis)
  • Packaging100g
  • Price₹3871
  • Updated2022-05-26
  • Buy
  • ManufacturerALFA India
  • Product numberALF-042477-22
  • Product descriptionTungsten powder, -200+325 mesh, 99.95% (metals basis)
  • Packaging100g
  • Price₹3871
  • Updated2022-05-26
  • Buy
  • ManufacturerALFA India
  • Product numberALF-010401-22
  • Product descriptionTungsten powder, APS 12 micron, 99.9% (metals basis)
  • Packaging100g
  • Price₹3871
  • Updated2022-05-26
  • Buy
  • ManufacturerALFA India
  • Product numberALF-010414-HB
  • Product descriptionTungsten foil, 0.5mm (0.02in) thick, 99.95% (metals basis)
  • Packaging300x300mm
  • Price₹118001
  • Updated2022-05-26
  • Buy
  • ManufacturerALFA India
  • Product numberALF-040926-HB
  • Product descriptionTungsten gauze, gold plated
  • Packaging300x300mm
  • Price₹181540
  • Updated2022-05-26
  • Buy
  • ManufacturerALFA India
  • Product numberALF-040926-GT
  • Product descriptionTungsten gauze, gold plated
  • Packaging150x150mm
  • Price₹58505
  • Updated2022-05-26
  • Buy
  • ManufacturerALFA India
  • Product numberALF-010407-CQ
  • Product descriptionTungsten rod, 3.175mm (0.125in) dia, annealed, 99.95% (metals basis)
  • Packaging5x100cm
  • Price₹59044
  • Updated2022-05-26
  • Buy
  • ManufacturerALFA India
  • Product numberALF-010404-I6
  • Product descriptionTungsten wire, 0.1mm (0.004in) dia, 99.95% (metals basis)
  • Packaging4x250m
  • Price₹61087
  • Updated2022-05-26
  • Buy
  • ManufacturerALFA India
  • Product numberALF-014512-H9
  • Product descriptionTungsten wire, 99.95% (metal basis)
  • Packaging500m
  • Price₹67480
  • Updated2022-05-26
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Sigma-Aldrich 357197 Tungsten foil, thickness 0.127?mm, ≥99.9% trace metals basis 25CM2 ₹6282.6 2022-06-14 Buy
Sigma-Aldrich 356972 Tungsten wire, diam. 0.5?mm, ≥99.9% trace metals basis 18.9G ₹8250.1 2022-06-14 Buy
Sigma-Aldrich 357189 Tungsten foil, thickness 0.5?mm, ≥99.9% trace metals basis 24G ₹12853.8 2022-06-14 Buy
Sigma-Aldrich 357197 Tungsten foil, thickness 0.127?mm, ≥99.9% trace metals basis 100CM2 ₹19125.3 2022-06-14 Buy
ALFA India ALF-012973-88 Tungsten powder, -22 mesh, Puratronic™, 99.999% (metals basis) 2.5g ₹2678 2022-05-26 Buy
ALFA India ALF-039691-04 Tungsten powder, APS 4-6 micron, Puratronic™, 99.999% (metals basis), Mo <1ppm 2g ₹2779 2022-05-26 Buy
ALFA India ALF-010410-G1 Tungsten wire, 0.75mm (0.03in) dia, 99.95% (metals basis) 1m ₹3651 2022-05-26 Buy
ALFA India ALF-010400-22 Tungsten powder, APS 1-5 micron, 99.9% (metals basis) 100g ₹3871 2022-05-26 Buy
ALFA India ALF-042477-22 Tungsten powder, -200+325 mesh, 99.95% (metals basis) 100g ₹3871 2022-05-26 Buy
ALFA India ALF-010401-22 Tungsten powder, APS 12 micron, 99.9% (metals basis) 100g ₹3871 2022-05-26 Buy
ALFA India ALF-010414-HB Tungsten foil, 0.5mm (0.02in) thick, 99.95% (metals basis) 300x300mm ₹118001 2022-05-26 Buy
ALFA India ALF-040926-HB Tungsten gauze, gold plated 300x300mm ₹181540 2022-05-26 Buy
ALFA India ALF-040926-GT Tungsten gauze, gold plated 150x150mm ₹58505 2022-05-26 Buy
ALFA India ALF-010407-CQ Tungsten rod, 3.175mm (0.125in) dia, annealed, 99.95% (metals basis) 5x100cm ₹59044 2022-05-26 Buy
ALFA India ALF-010404-I6 Tungsten wire, 0.1mm (0.004in) dia, 99.95% (metals basis) 4x250m ₹61087 2022-05-26 Buy
ALFA India ALF-014512-H9 Tungsten wire, 99.95% (metal basis) 500m ₹67480 2022-05-26 Buy

Properties

Melting point :3410 °C (lit.)
Boiling point :5660 °C (lit.)
Density :19.3 g/mL at 25 °C (lit.)
vapor pressure :0Pa at 3000℃
Flash point :-23 °C
storage temp. :no restrictions.
form :wire
Specific Gravity :19.3
color :Silver-gray
Resistivity :4.9 μΩ-cm, 20°C
Water Solubility :insoluble
Merck :13,9884
Exposure limits :ACGIH: TWA 2 ppm; STEL 4 ppm
OSHA: TWA 2 ppm(5 mg/m3)
NIOSH: IDLH 25 ppm; TWA 2 ppm(5 mg/m3); STEL 4 ppm(10 mg/m3) Stability :Stable. Dust is flammable, though not likely to present a hazard if normal good practice is used.
CAS DataBase Reference :7440-33-7(CAS DataBase Reference)
NIST Chemistry Reference :Tungsten(7440-33-7)
EPA Substance Registry System :Tungsten (7440-33-7)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H228 Flammable solid Flammable solids Category 1
Category 2
Danger
Warning
GHS hazard pictograms P210, P240,P241, P280, P370+P378
H252 Self-heating in large quantities; may catch fire Self-heating substances and mixtures Category 2 Warning P235+P410, P280, P407, P413, P420
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P235 Keep cool.
P240 Ground/bond container and receiving equipment.
P241 Use explosion-proof electrical/ventilating/lighting/…/equipment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P370+P378 In case of fire: Use … for extinction.

Description

Tungsten was used extensively for the filaments of old-style incandescent light bulbs, its alloys are used in many high-temperature applications, such as arc-welding electrodes and heating elements in high-temperature furnaces. Some bacteria use tungsten in an enzyme to reduce carboxylic acids to aldehydes.

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