Helium-3 (He-3) – Stable Isotope Data & Safety Information (MSDS)


SECTION 1: IDENTIFICATION

SECTION 1: IDENTIFICATION

Product Name: Helium-3 (He-3)

Chemical Formula: He

CAS Number: 7440-59-7

Molecular Weight: 3.016 g/mol

Synonyms: Helium-3 gas, 3He, He3

Intended Use: Laboratory research, cryogenics, neutron detection, nuclear science, quantum computing

Manufacturer/Supplier Information:

  • Company Name: Nakima Ltd
  • Telephone: +971-52-5156232

Website: www.isotope-amt.com


SECTION 2: HAZARD IDENTIFICATION

Classification of the substance or mixture

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

  • Gases under pressure – Compressed gas (H280)

Classification according to Directive 67/548/EEC [DSD] or 1999/45/EC [DPD]

  • Not classified

GHS-US classification

  • Compressed gas – H280

Signal Word: Warning

Hazard Statements:

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

Precautionary Statements:

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

SECTION 3: COMPOSITION/INFORMATION ON INGREDIENTS

NameProduct Identifier%Classification (DSD/DPD)
Helium-3(CAS No) 7440-59-7100Not classified
NameProduct Identifier%Classification (CLP)
Helium-3(CAS No) 7440-59-7100Compressed gas (H280)

SECTION 4: FIRST AID MEASURES

  • Inhalation: Move to fresh air. If breathing is difficult, give oxygen. Seek medical attention if symptoms persist.
  • Skin Contact: Not applicable under normal conditions.
  • Eye Contact: Not applicable.
  • Ingestion: Not applicable.

SECTION 5: FIRE-FIGHTING MEASURES

  • Suitable Extinguishing Media: Use extinguishing measures appropriate to surrounding fire.
  • Unsuitable Extinguishing Media: None known.
  • Hazardous Combustion Products: None
  • Protective Equipment for Firefighters: Wear self-contained breathing apparatus if necessary.

SECTION 6: ACCIDENTAL RELEASE MEASURES

  • Personal Precautions: Ensure adequate ventilation. Evacuate area if necessary.
  • Environmental Precautions: Prevent entry into confined spaces.
  • Cleanup Methods: Ventilate area. Stop gas flow if safe to do so.

SECTION 7: HANDLING AND STORAGE

  • Handling: Use only with adequate ventilation. Avoid inhalation.
  • Storage Conditions: Store in a cool, dry, well-ventilated area away from heat and direct sunlight. Store cylinders upright and secure.

SECTION 8: EXPOSURE CONTROLS/PERSONAL PROTECTION

  • Occupational Exposure Limits: None established.
  • Engineering Controls: Use with proper exhaust ventilation.
  • Personal Protective Equipment (PPE):
    • Eye Protection: Safety goggles when handling pressurized cylinders
    • Skin Protection: Not required
    • Respiratory Protection: Use appropriate protection if gas concentration is high or ventilation is inadequate

SECTION 9: PHYSICAL AND CHEMICAL PROPERTIES

  • Appearance: Colorless gas
  • Odor: Odorless
  • Melting Point: -272.2 °C
  • Boiling Point: -268.9 °C
  • Solubility: Slightly soluble in water
  • Density: 0.134 g/L at 0°C and 1 atm
  • Autoignition Temperature: Not applicable

SECTION 10: STABILITY AND REACTIVITY

  • Reactivity: Inert under normal conditions
  • Chemical Stability: Stable
  • Incompatible Materials: None known
  • Hazardous Decomposition Products: None

SECTION 11: TOXICOLOGICAL INFORMATION

  • Acute Toxicity: Not toxic
  • Carcinogenicity: Not classified as carcinogenic
  • Routes of Exposure: Inhalation (only relevant route)
  • Symptoms: At high concentrations, may cause dizziness or asphyxiation due to oxygen displacement

SECTION 12: ECOLOGICAL INFORMATION

  • Ecotoxicity: Not hazardous to the environment
  • Persistence and Degradability: Not applicable
  • Bioaccumulative Potential: Not applicable
  • Mobility in Soil: Gas phase

SECTION 13: DISPOSAL CONSIDERATIONS

  • Dispose of contents/container in accordance with local, state, and federal regulations. Allow gas to vent safely in a well-ventilated area if necessary.

SECTION 14: TRANSPORT INFORMATION

  • UN Number: UN1046
  • Proper Shipping Name: Helium, compressed
  • Transport Hazard Class: 2.2 (Non-flammable compressed gas)
  • Packing Group: Not applicable

SECTION 15: REGULATORY INFORMATION

  • EU Regulations: Not classified as hazardous
  • US TSCA Status: Listed
  • OSHA Hazard Classification: Compressed gas

SECTION 16: OTHER INFORMATION

Disclaimer: The information provided here is believed to be accurate but is not guaranteed. It is the responsibility of the user to ensure safe handling and compliance with applicable regulations.

Revision Date: March 2025

Prepared by: Nakima Ltd