Description

Radon222 CAS NO 14859-67-7 is a radioactive noble gas isotope, specifically the most stable isotope of radon. This product is of critical importance for scientific research, calibration, and educational purposes where a controlled radioactive source is required. It is primarily utilized by research institutions, environmental monitoring agencies, and calibration laboratories involved in radiation detection and nuclear studies.

Application

• Calibration of radiation detection and measurement equipment (e.g., α-particle detectors).
• Scientific research in nuclear physics and chemistry.
• Environmental studies tracking radon gas migration and atmospheric science.
• Educational demonstrations and laboratory experiments in university settings.
• Reference standards for health physics and radiation safety protocols.
• Trace-level studies in geology and seismology as an earthquake precursor.

Basic Information

Item	Details
Product Name	Radon222 CAS NO 14859-67-7
CAS No.	14859-67-7
Molecular Formula	²²²Rn
Molecular Weight	222.0 g/mol
Synonyms	Radon-222; Rn-222; Radon; Emanation; Niton; Radon, isotope of mass 222; 222Rn; Actinon (historical, refers to Rn-219); Thoron (historical, refers to Rn-220)
EINECS	Contact for details

Quality Control

Our Radon-222 is produced and handled under strict quality protocols to ensure isotopic purity and activity specification. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing the radioactive concentration, purity, and measurement traceability to national standards. We adhere to relevant radiation safety and material handling regulations for reliable and consistent supply to the global research community.

Storage

Preserve in a tightly closed, approved sealed container (e.g., ampoule or specialized gas cylinder), protected from light and physical damage. Store in a designated, secure, and well-ventilated area with appropriate radiation shielding, in compliance with all local and international regulations for radioactive materials. Temperature should be maintained at a stable ambient range (15-25°C).

Specification

Item	Specification
Appearance	Colorless gas
Isotopic Purity (Rn-222)	> 99.9%
Radioactive Concentration	As per customer requirement (Bq/mL or Bq)
Carrier Gas	High-Purity Nitrogen or Argon
Half-Life	3.8235 days
Principal Radiation	Alpha particle (5.49 MeV)

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.