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43019 Platinum Iridium wire, 0.127mm (0.005in) dia, annealed, 99.9% (metals basis excluding precious metals)

CAS Number

Stock No. Size Price ($) Quantity Availability
43019-BS 10cm 40.30
43019-BW 50cm 142.00
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Platinum Iridium wire, 0.127mm (0.005in) dia, annealed, 99.9% (metals basis excluding precious metals)


Chemical Properties

Pt:Ir; 90:10 wt%
≈0.03g/10cm, Temper: soft
Storage & Sensitivity
Ambient temperatures.
Insoluble in water and acid.


Vacuum evaporation deposition, scanning and tunneling microscopy, corrosion resistant electrodes.Platinum-iridium wire is used in platinum jewellery, particularly watch cases. They have been used for spinnerets in the manufacture of synthetic fibres, in metrology and alloy is fabrication of metal microelectrodes. It is used in electrical stimulation of nervous tissue and electrophysiological recordings. Pt/Ir alloy has been used in mechanical and electrochemical devices.


Air and moisture sensitive. Keep in a dry place.

Literature References

Cowley, A.; Woodward, B. A Healthy Future: Platinum in Medical Applications. Platinum Met. Rev. 2011, 55, (2), 98-107.

Nishida, K.; Sakaguchi, H.; Xie, P.; Terasawa, Y.; Ozawa, M.; Kamei, M.; Nishida, K. Biocompatibility and durability of Teflon-coated platinum-iridium wires implanted in the vitreous cavity. J. Artif. Org. 2011, , 14, (4), 357-363.

Other References

Harmonized Tariff Code


  • 10292

    Platinum wire, 0.025mm (0.001in) dia, 99.95% (metals basis)
  • 10897

    Titanium(IV) oxide, Puratronic®, 99.995% (metals basis)
  • 13479

    Platinum wire, 0.0508mm (0.002in) dia, hard, 99.95% (metals basis)
  • 40585

    Gold wire, 0.025mm (0.001in) dia, annealed, 99.95% (metals basis)
  • 43208

    Iridium wire, 0.125mm (0.005in) dia, 99.9% (metals basis)

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