Oxygen-18 Gas (¹⁸O₂) O-18O2: Stable Isotope Data Safety Information (MSDS)

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SECTION 1: IDENTIFICATION

Product Name: Oxygen-18 Gas (¹⁸O₂)
Chemical Formula: ¹⁸O₂
CAS Number: 32767-18-3
Molecular Weight: ~36.00 g/mol
Synonyms: Enriched Oxygen Gas, ¹⁸O Oxygen Gas, Stable Isotope Oxygen Gas
Intended Use: Scientific research, tracer studies, environmental monitoring, stable isotope labeling

Manufacturer/Supplier Information:
Company Name: Nakima Ltd
Telephone: +971-52-5156232
Website: www.isotope-amt.com

SECTION 2: HAZARD IDENTIFICATION

Classification according to Regulation (EC) No. 1272/2008 [CLP]:

 

    • Oxidizing gases – Category 1 (H270)

    • Gases under pressure – Compressed gas (H280)

Signal Word: Danger

Hazard Statements:

 

    • H270: May cause or intensify fire; oxidizer

    • H280: Contains gas under pressure; may explode if heated

Precautionary Statements:

 

    • P220: Keep/Store away from clothing and other combustible materials

    • P244: Keep valves and fittings free from oil and grease

    • P410+P403: Protect from sunlight. Store in a well-ventilated place

SECTION 3: COMPOSITION/INFORMATION ON INGREDIENTS

Name Product Identifier % Classification (CLP)
Oxygen-18 (¹⁸O₂) CAS No. 32767-18-3 100 Ox. Gas 1 (H270), Press. Gas (H280)

SECTION 4: FIRST AID MEASURES

 

    • Inhalation: Move to fresh air. If symptoms occur, administer oxygen and seek medical attention.

    • Skin Contact: Not applicable under normal conditions.

    • Eye Contact: Not applicable.

    • Ingestion: Not applicable.

SECTION 5: FIRE-FIGHTING MEASURES

 

    • Suitable Extinguishing Media: Use extinguishing agent appropriate for surrounding fire.

    • Unsuitable Extinguishing Media: None known.

    • Hazardous Combustion Products: None.

    • Protective Equipment for Firefighters: Wear self-contained breathing apparatus if involved in fire.

Note: Oxygen supports combustion; it may cause flammable materials to ignite more readily.

SECTION 6: ACCIDENTAL RELEASE MEASURES

 

    • Personal Precautions: Evacuate area. Ensure proper ventilation. Avoid sources of ignition.

    • Environmental Precautions: Prevent uncontrolled release into the environment.

    • Cleanup Methods: Ventilate area. Shut off source if safe to do so.

SECTION 7: HANDLING AND STORAGE

 

    • Handling: Do not allow oil, grease, or combustible materials to come into contact with cylinders. Use only in well-ventilated areas.

    • Storage Conditions: Store upright in a cool, dry, and ventilated location away from flammable substances. Secure gas cylinders.

SECTION 8: EXPOSURE CONTROLS/PERSONAL PROTECTION

 

    • Occupational Exposure Limits: Not established for ¹⁸O₂ specifically.

Engineering Controls: Use with proper exhaust ventilation. Oxygen-enriched environments require special precautions.

Personal Protective Equipment (PPE):

 

    • Eye Protection: Safety goggles recommended when handling gas equipment

    • Skin Protection: Not required

    • Respiratory Protection: Use suitable equipment in case of oxygen-deficient atmosphere

SECTION 9: PHYSICAL AND CHEMICAL PROPERTIES

 

    • Appearance: Colorless gas

    • Odor: Odorless

    • Melting Point: −218.8 °C

    • Boiling Point: −183.0 °C

    • Density: ~1.429 g/L (at 0 °C, 1 atm)

    • Solubility: Slightly soluble in water

    • Oxidizing Properties: Strong oxidizer

SECTION 10: STABILITY AND REACTIVITY

 

    • Reactivity: Strong oxidizing agent.

    • Chemical Stability: Stable under normal temperature and pressure.

    • Incompatible Materials: Flammable and combustible materials, reducing agents, organic matter.

    • Hazardous Decomposition Products: None.

SECTION 11: TOXICOLOGICAL INFORMATION

 

    • Acute Toxicity: Non-toxic

    • Carcinogenicity: Not classified

    • Routes of Exposure: Inhalation

    • Symptoms: High concentrations may displace air and lead to oxygen toxicity or dizziness

SECTION 12: ECOLOGICAL INFORMATION

 

    • Ecotoxicity: Not classified as hazardous

    • Persistence and Degradability: Not applicable (elemental gas)

    • Bioaccumulative Potential: Not applicable

    • Mobility in Soil: Not applicable

SECTION 13: DISPOSAL CONSIDERATIONS

Dispose of gas and cylinders in accordance with local, national, and international regulations. Allow controlled venting of gas in a well-ventilated area.

SECTION 14: TRANSPORT INFORMATION

 

    • UN Number: UN1072

    • Proper Shipping Name: Oxygen, compressed

    • Hazard Class: 2.2 (Non-flammable, oxidizing gas)

    • Packing Group: Not applicable

    • Label: Oxidizing gas

SECTION 15: REGULATORY INFORMATION

 

    • EU Regulations: Listed, classified as oxidizing gas

    • US TSCA Status: Listed

    • OSHA Hazard Classification: Compressed, oxidizing gas

SECTION 16: OTHER INFORMATION

Revision Date: March 2025
Prepared by: Nakima Ltd

Disclaimer: The information provided here is accurate to the best of our knowledge. Users are responsible for ensuring proper handling and compliance with applicable regulations.

CONTACT US:
 Tel: +971-52-5156232
Mail: sales@isotope-amt.com