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