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Radon CAS 10043-92-2

Radon Gas / Radon-222 (²²²Rn)
Radon is a naturally occurring radioactive noble gas. It is colorless, odorless, and tasteless. The most commonly referenced isotope is radon-222, which is a decay product of radium-226 in the uranium-238 decay chain.
Radon-222 has a half-life of approximately 3.82 days and emits alpha particles during decay. Due to its radioactive nature, radon is strictly controlled and is supplied only for authorized scientific research, detector calibration, environmental monitoring equipment testing, and specialized laboratory applications.

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Product Overview

Radon Gas / Radon-222 (²²²Rn)

Radon is a naturally occurring radioactive noble gas. It is colorless, odorless, and tasteless. The most commonly referenced isotope is radon-222, which is a decay product of radium-226 in the uranium-238 decay chain.

Radon-222 has a half-life of approximately 3.82 days and emits alpha particles during decay. Due to its radioactive nature, radon is strictly controlled and is supplied only for authorized scientific research, detector calibration, environmental monitoring equipment testing, and specialized laboratory applications.

Wenzhou Yingyue New Materials can supply radon-222 gas in controlled quantities to qualified research institutions and industrial customers. All orders are subject to regulatory compliance verification and proper authorization before processing.




Specifications

Parameter

Details

Product Name

Radon-222 / ²²²Rn

Chemical Formula

Rn

CAS No.

10043-92-2

Atomic Number

86

Atomic Mass

222 (for ²²²Rn)

Half-Life

3.8235 days (²²²Rn)

Decay Mode

Alpha decay

Boiling Point

-61.7°C

Melting Point

-71°C

Density

9.73 kg/m³ at 0°C

Appearance

Colorless, odorless, tasteless radioactive gas

Purity Grades

Research Grade / Calibration Grade

UN No.

UN 2912 (RADIOACTIVE MATERIAL, TYPE A PACKAGE, SPECIAL FORM) — to be confirmed based on activity and packaging

HS Code

2844.10




Packaging

Packaging Type

Specification

Gas Source

Sealed ampoule or small-volume gas container depending on activity level

Activity Level

Specified per order; low-activity quantities for calibration and research

Packaging

Shielded and sealed container compliant with radioactive material transport regulations

Documentation

Certificate of activity, radionuclide purity, and calibration data provided

All packaging, activity levels, and container types must be confirmed with Wenzhou Yingyue New Materials before ordering. Radon-222 is a short-lived radioactive gas, and delivery timing must account for decay.




Storage & Safety

· Radon-222 is a radioactive gas. Handle only in authorized and properly equipped facilities.

· Store in a ventilated, secure area with restricted access.

· Keep containers sealed and shielded when not in use.

· Do not open, modify, or transfer contents without proper training and authorization.

· Use appropriate radiation monitoring equipment during handling.

· Wear suitable personal protective equipment including gloves, lab coat, and respiratory protection if required.

· Monitor airborne radon concentrations in the working area.

· Maintain records of receipt, usage, and disposal as required by local regulations.

· Return empty or residual containers to the supplier or authorized radioactive waste handler.

For detailed handling, exposure limits, and emergency information, please download the SDS.




Applications

· Radiation detector calibration

· Environmental monitoring equipment testing

· Scientific research in nuclear physics

· Geological and geophysical studies

· Radon emanation studies

· Laboratory reference standards

· Specialized industrial research




Compliance & Certification

Item

Details

HS Code

2844.10

UN No.

UN 2912 (to be confirmed based on activity and packaging form)

Transport Class

Class 7 — Radioactive Material

Regulatory Note

Supply of radon-222 is subject to applicable national and local regulations governing radioactive materials. Buyers must hold valid authorization or license for possession and use of radioactive substances.


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