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Name: Sodium Deuteroxide
Chemical Formula: NaOD
Common Uses: Laboratory research, organic synthesis, isotope chemistry
Physical Appearance: White to off-white crystalline solid, hygroscopic
Odor: Unremarkable, though can irritate upon exposure
Solubility: Readily dissolves in water, strongly basic solution
Synonyms: Deuterated sodium hydroxide, sodium hydrogendeuteroxide
Hazard Classes: Corrosive to skin, serious eye damage
Health Effects: Causes severe burns to skin and eyes, respiratory tract irritation on inhalation, can be harmful if ingested
Environmental Effects: Potentially damaging to aquatic life, especially in concentrated forms
Signal Word: Danger
Specific Hazards: Rapidly reacts with water, generating heat, strong base that destroys organic matter
Risk Phrases: Serious risk from accidental spills or splashes, especially to workers' eyes and hands
Chemical: Sodium Deuteroxide (NaOD)
Concentration: Typically encountered as solid or in defined aqueous solution
Impurities: Trace levels of sodium hydroxide or sodium oxide, particularly in commercial deuterated materials
Deuterium Content: High deuterium enrichment, typically exceeding 98%
Formulation Notes: Reacts with atmospheric moisture and carbon dioxide to degrade over time, forming sodium carbonate/deuterocarbonate
Eye Contact: Immediate flushing of eyes with plenty of water for at least 15 minutes, keeping eyelids apart, seek medical help
Skin Contact: Remove contaminated clothing, rinse affected area thoroughly with water, do not delay, burns may progress rapidly
Inhalation: Move affected individual to fresh air, monitor breathing, offer medical support for wheezing or persistent cough
Ingestion: Rinse mouth, do not induce vomiting, give water if conscious to dilute, emergency help required
General Notes: Rapid intervention limits long-term damage due to alkaline burns
Flammability: Non-flammable by itself
Fire Hazards: Reacts violently with water and acids, can release corrosive vapors at high temperatures
Suitable Extinguishing Agents: Use dry chemical powder, carbon dioxide, or appropriate extinguishing media for surrounding fire, avoid direct use of water
Protective Actions: Firefighters should wear full protective gear and self-contained breathing apparatus to avoid vapor exposure
Additional Risks: Containers may rupture from heat, dispersing caustic powder and steam
Personal Precautions: Full protection including goggles, gloves, chemical-resistant clothing; prevent exposure to eyes and skin
Environmental Precautions: Avoid runoff into waterways or drains, sodium deuteroxide in water can cause fish kills
Cleanup Approach: Remove solid spills with non-sparking tools, sweep up carefully, neutralize residues with dilute acetic acid followed by copious water
Ventilation: Increase air exchange in affected area
Waste Disposal: Place residue in appropriately labeled containers for regulated disposal
Handling: Store and transfer only using chemical-resistant glass or plastic; avoid metal tools, keep container tightly closed, prevent exposure to air and moisture
Storage: Keep in a cool, dry, and well-ventilated area away from acids and water sources, elevated shelves preferred to prevent accidental spillage
Incompatibilities: Strong acids, oxidizers, sources of carbon dioxide, moisture
Special Considerations: Containers must be clearly labeled and checked regularly for integrity
Engineering Controls: Chemical fume hood or local exhaust mandatory in labs
Respiratory Protection: Properly fitted NIOSH-approved respirator if dust or mist develops
Skin Protection: Impermeable gloves such as nitrile or neoprene, long sleeves, laboratory apron
Eye Protection: Tightly sealed goggles or face shield
Hygiene: Wash hands and face thoroughly after handling, do not eat or drink near the substance
Appearance: White to off-white crystalline solid
Odor: Essentially odorless
Melting Point: Above 270°C (decomposes before melting)
Boiling Point: Not applicable, decomposes before boiling
Solubility: Highly soluble in water, forms strongly basic solution
pH: Solution has high pH, above 13
Vapor Pressure: Negligible at room temperature
Density: Close to sodium hydroxide, just over 2 g/cm³
Chemical Stability: Stable in sealed and dry containers, exposure to moisture or atmospheric CO₂ causes rapid degradation
Incompatible Materials: Strong acids, water, organic halides, aluminum
Hazardous Decomposition: Sodium oxide, deuterium gas, sodium carbonate can form on heating or on contact with acids
Polymerization: Does not occur
Reactive Features: Can corrode metals, especially aluminum and zinc, over time
Acute Toxicity: Effects dominated by strong caustic action rather than systemic toxicity, intense burns possible
Health Hazard Route: Contact, inhalation, ingestion all lead to tissue damage
Chronic Effects: Prolonged exposure or repeated skin contact may cause dermatitis, scarring, or other chronic skin issues
Symptoms: Burning pain, redness, blisters, coughing, shortness of breath if inhaled, immediate irritation
Special Populations: Individuals with respiratory disease more sensitive to dust and vapors
Persistence/Degradability: Reacts with atmospheric CO₂ and water, forms stable carbonates in environment
Bioaccumulation: Not expected to bioaccumulate
Mobility in Soil: Highly mobile in water; neutralization reduces hazard over time
Aquatic Toxicity: Strongly alkaline solutions damage aquatic organisms, rapid shifts in pH disrupt pond or stream ecosystems
Environmental Precautions: Use with containment, never pour into drains or soils untreated
Disposal Methods: Neutralize with weak acid under controlled conditions, dilute and dispose of in accordance with local environmental regulations
Container Disposal: Rinse thoroughly, recycle or dispose based on material and contamination level
Restrictions: Never incinerate closed containers, avoid landfilling, use licensed hazardous waste facility
UN Classification: Classified as a corrosive solid for transport
Packing Group: II or III depending on concentration
Transport Hazard: Caustic, moisture sensitive, avoid mixing with acids and combustibles
Labeling: Clear corrosive warning labels required, secure packaging to prevent leaks
Special Precautions: Carry only in approved containers, check for leaks before shipping, avoid exposure to rough handling or impact
Workplace Limits: Not specifically regulated for sodium deuteroxide, but sodium hydroxide exposure limits often cited as comparable
Reporting Requirements: Spills and releases may require notification depending on quantity
Environmental Laws: Subject to hazardous materials regulation, especially concerning waste and storage
Worker Protections: Mandates for protective gear, safety training for handlers, availability of eyewash stations and showers in workplaces using the compound
Permissible Exposure Limits: Consult local and federal occupational safety guidelines for strong alkaline substances
