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KRYPTON 99.999%

CAS NO. 7439-90-9
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Product NameKrypton
CAS NO.7439-90-9
Molecular FormulaKr
Molecular Weight83.8 g/mol
Krypton Purity≥ 99.999% (5N)
H₂≤ 0.3 ppm
O₂ + Ar

≤ 1.5 ppm

N₂≤ 2 ppm
CO≤ 0.3 ppm
CO₂≤ 0.1 ppm
CH₄≤ 0.05 ppm
Xe≤ 0.1 ppm
H₂O≤ 2 ppm
CF₄≤ 0.5 ppm
Application
  • Lighting & Displays: High transmittance makes Krypton ideal for miner's lamps and high‑performance vehicle headlamps.

  • Gas Lasers & Plasma Streams: Used in ion and excimer laser mixtures (e.g., KrF) for industrial micromachining and semiconductor lithography.

  • Photographic Flashes: Provides bright, white‑silvery light in high‑speed photographic strobe lamps.

  • Laboratory Standards: Calibrant for mass spectrometry and specific adsorption measurements in research settings.

  • Medical Tracer: Radioactive isotopes of Krypton serve as short‑lived tracers in pulmonary function diagnostics.



Cross‑Promotion: Related Products

ProductCAS No.PurityWhy Recommend?
Neon7440‑01‑9≥ 99.999%Premier fill gas for signage and He–Ne lasers, often ordered alongside Kr.
Xenon7440‑63‑3≥ 99.9995%High‑intensity HID lamps, aerospace propulsion gas, and anesthetic tracer.


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