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Product Name: Dinitrogen Monoxide
Synonyms: Nitrous Oxide, Laughing Gas, N₂O
CAS Number: 10024-97-2
Recommended Use: Industrial gas, medical anesthetic, propellant, chemical synthesis
Supplier Information: Emergency contact, manufacturer details, address, phone number
Emergency Numbers: National poison center, local fire department, CHEMTREC contact
Classification: Gases under pressure (Compressed/Liquefied Gas), Oxidizing Gases
Hazard Statements: Oxygen enrichment may occur; increases combustion risk; high-pressure release hazards; asphyxiation in confined spaces
Pictograms: Gas cylinder, flame over circle
Precautionary Statements: Avoid heat/sparks/open flame, ventilate enclosed spaces, store away from combustibles, wear protective equipment, avoid breathing gas
Signal Word: Warning
Other Hazards: May displace oxygen; unconsciousness risk without warning; frostbite from rapid gas expansion
Chemical Name: Dinitrogen Monoxide
Concentration: >99% by volume
Molecular Formula: N₂O
Molecular Weight: 44.01 g/mol
Impurities: Trace nitrogen, oxygen, NOx, water vapor (supplier-specific)
Additives: None present, product supplied as pure compressed or liquefied gas
Inhalation: Remove victim to fresh air, keep at rest, administer oxygen if breathing is difficult, seek medical attention immediately for prolonged exposure
Skin Contact: Remove contaminated clothing, rinse skin with lukewarm water, avoid direct application of hot water to affected area, seek medical advice for frostbite symptoms
Eye Contact: Flush with water for at least 15 minutes, remove contact lenses if present and continue rinsing, obtain medical attention
Ingestion: Not a normal route of exposure; treat symptoms if ingestion is suspected
Symptoms: Dizziness, headache, euphoria, later respiratory depression, possible loss of consciousness, asphyxiation in severe cases
Suitable Extinguishing Media: Use water spray, fog, or other appropriate agent for surrounding fire
Unsuitable Extinguishing Media: Avoid use of dry chemicals or CO₂ directly on leak as substance is oxidizer
Specific Hazards: Enhances combustion, may cause explosive reactions with flammable materials, cylinders heated by fire may rupture violently
Protective Equipment: Full protective firefighting gear, self-contained breathing apparatus
Firefighting Instructions: Evacuate area, cool cylinders with water from safe distance, shut off gas supply if safe
Other Notes: Do not move cylinders if compromised by heat; explosion risk increases near fire
Personal Precautions: Evacuate unnecessary personnel, ventilate area, use self-contained breathing apparatus for emergencies
Environmental Precautions: Prevent entry into confined spaces, sewers, and water sources
Containment/Clean-Up: Stop leak if safe, isolate area until gas disperses, do not touch damaged cylinders or attempt in confined space
Protective Actions: Only trained personnel should respond; monitor oxygen levels; treat as oxygen-enrichment incident until gas clears
Special Notes: Risk of rapid pressure buildup and asphyxiation; frostbite possible from liquid/gas contact
Handling: Secure cylinders upright, use proper tools for connection, avoid mechanical shocks, prevent rapid release, open valves slowly
Storage: Store in dry, cool, well-ventilated area away from combustibles and reducing agents, keep away from heat/spark/flame, use cylinders built for high pressure
Incompatibilities: Flammable materials, organic compounds, metallic powders, strong reducers
Other Notes: Keep away from children, post warning signage, restrict access to authorized personnel
Occupational Exposure Limits: OSHA/ACGIH TLV: 50 ppm TWA
Engineering Controls: Use local exhaust ventilation and gas detection systems
Personal Protective Equipment: Safety goggles, gloves resistant to cold burns, flame-resistant clothing when handling
Respiratory Protection: NIOSH-approved respirators for oxygen-deficient environments
Other Controls: Regular leak checks on valves/connections, training on emergency procedures
Appearance: Colorless gas or liquefied gas under pressure
Odor: Slightly sweet smell
Melting Point: -90.8°C
Boiling Point: -88.5°C
Vapor Pressure: 5210 kPa at 20°C
Solubility: Moderately soluble in water
Density: 1.977 g/L at 0°C
Flammability: Nonflammable but supports combustion
Other Properties: Expands rapidly, forms white frost upon rapid release
Chemical Stability: Stable under normal conditions, decomposes above 575°C
Reactivity: Strong oxidizer, reacts with combustibles and reducing agents
Conditions to Avoid: Heat, flame, electric arc, contact with organic or flammable materials
Incompatible Materials: Alkali metals, hydrazine, combustible substances, phosphorus, ammonia, powdered metals
Hazardous Decomposition Products: Nitrogen and oxygen gases; under high temperatures, toxic nitrogen oxides may form
Routes of Exposure: Inhalation primarily; eye/skin for liquid phase
Acute Effects: Euphoria, light-headedness, drowsiness, asphyxia at high concentrations
Chronic Effects: Potential for vitamin B12 depletion, neurologic side effects, bone marrow suppression from prolonged or repeated exposure
LD50/LC50: Data not established; quickly displaces oxygen
Carcinogenicity: Not classified as carcinogenic by IARC, NTP, OSHA
Other Effects: Prolonged deficiency of oxygen linked to irreversible injury; frostbite upon direct contact
Eco-Toxicity: Not classified as directly hazardous to aquatic life; does not bioaccumulate
Persistence and Degradability: Persistent in atmosphere, contributes to greenhouse gas effect
Bioaccumulative Potential: Low; not expected to accumulate in living organisms
Mobility in Soil/Water: Volatile, dissipates in air quickly, limited mobility in groundwater
Other Environmental Effects: Known ozone-depleting gas, global warming potential about 300 times that of CO₂
Disposal Methods: Vent to atmosphere in well-ventilated area by qualified personnel per local regulations; do not dispose in landfill or sewer
Container Handling: Return empty cylinders to supplier, do not attempt refilling unless trained, never incinerate cylinders
Regulations: Must comply with national, state, and local environmental laws
Other Practices: Use up product entirely before disposing of cylinder
UN Number: UN1070
Proper Shipping Name: Nitrous Oxide, Compressed or Liquefied
Transport Hazard Class: 2.2 (Nonflammable Gas), 5.1 (Oxidizer)
Packing Group: Not assigned
Labels: Oxidizer, nonflammable gas
Special Precautions: Secure cylinders during transit, avoid extreme temperature changes, never drop or roll containers, check all documentation
Regulatory Compliance: Follow DOT/IATA/IMDG regulations for hazardous materials shipment
Workplace Safety: Listed on OSHA Hazard Communication Standard, workplace air monitoring recommended
Global Inventories: Registered under TSCA, EINECS, DSL, other nation-specific inventories
Transportation: DOT and IATA-regulated hazardous material
Reporting Requirements: EPA greenhouse gas regulations, local emergency planning for large storage
Other Notations: Subject to use restrictions for medical vs. industrial grades
