Oxygen-18O2
Oxygen-18O2 (CAS 32767-18-3), a stable isotope gas with the molecular formula <sup>18</sup>O<sub>2</sub> and a molecular weight of 36.00 g/mol, is a vital reagent in scientific research. It is primarily employed in isotopic labelling studies, metabolic research, and as a tracer in various chemical and biological processes. Its distinct isotopic composition makes it invaluable for tracing pathways and quantifying metabolic fluxes with high precision.
Isotopic Labelling
Oxygen-18O2 serves as a critical precursor for the synthesis of isotopically labelled compounds. These labelled molecules are essential tools for tracing metabolic pathways and understanding biochemical reactions in vivo and in vitro.
Metabolic Research
In medical and biological research, Oxygen-18O2 is used to study metabolic processes. Its incorporation into biological systems allows researchers to track nutrient utilization and energy expenditure with high accuracy.
Chemical Synthesis
As a specialty gas, Oxygen-18O2 can be utilized in specific chemical synthesis reactions where an oxygen source with a defined isotopic signature is required. This is particularly relevant in the development of novel materials and pharmaceuticals.
Positron Emission Tomography (PET) Imaging
Oxygen-18, derived from compounds like Oxygen-18O2, is a key component in the production of radiotracers for PET scans. These tracers enable non-invasive diagnostic imaging of various physiological and pathological processes.
| Molecular weight | 36.00 |
|---|---|
| Linear formula | 18O2 |
| Boiling point | −183 °C(lit.) |
| Vapour density | 1.11 (vs air) |
| Melting point | −218 °C(lit.) |
Hazard statements
- H270May cause or intensify fire; oxidiser
- H280Contains gas under pressure; may explode if heated
Precautionary statements
- P220Keep away from clothing and combustible materials
- P410Protect from sunlight
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Transport (UN / ADR) | UN 1072 5.1(2.2) |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | O |
| Risk statements (R) | 8 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Isotopic Purity | 99 atom % 18O |
|---|---|
| Mass Shift | M+4 |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Oxygen-18O2 used for?
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Oxygen-18O2 is used in isotopic labelling studies, metabolic research, chemical synthesis, and in the production of tracers for Positron Emission Tomography (PET) imaging.
What are the CAS number and formula for Oxygen-18O2?
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The CAS number for Oxygen-18O2 is 32767-18-3, and its formula is <sup>18</sup>O<sub>2</sub>.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Oxygen-18O2 with an isotopic purity of 99 atom % 18O. We do not represent this product as USP, BP, or EP grade.
How should Oxygen-18O2 be handled safely?
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Oxygen-18O2 is an oxidizer and can cause or intensify fire; it is under pressure and may explode if heated (H270, H280). Handle with appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator. Store away from heat and incompatible materials, and use in a well-ventilated area.
How is Oxygen-18O2 packed, shipped, and exported?
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Oxygen-18O2 is shipped as a compressed gas under pressure, adhering to UN 1072 5.1(2.2) regulations for transport. Tech Serve Solutions has extensive experience in exporting specialty chemicals globally.
How can I request a sample or a quote for Oxygen-18O2?
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To request a sample or a quote, please contact our sales department via the website or by calling us directly. Our team will be happy to assist you with your specific requirements.
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