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Substance Name: 1,2-Dioleoyl-3-trimethylammonium-propane Mesylate Salt
Chemical Formula: C42H82NO4.CH4O3S
Common Use: Reagent in gene transfection, research in lipid nanoparticle applications, cellular delivery systems across biology and medicine
Physical State: Usually appears as a white to off-white powder or waxy solid
Odor: Faint, typical of organic fatty compounds
Recommended Handling Range: Laboratory settings, specialized facilities with strict protocols
Hazard Classification: Not classified as highly hazardous, but exposure through eyes, skin, ingestion, and inhalation can cause irritation and potentially adverse effects on cells
Signal Words: Caution for contact irritation
Routes of Exposure: Skin, eyes, inhalation of particulates or solutions, accidental ingestion
Symptoms: Redness, discomfort on contact with skin or eyes, mild respiratory irritation
Chronic Effects: Long-term data remains limited, so regular exposure increases unknown risks
Main Component: 1,2-Dioleoyl-3-trimethylammonium-propane Mesylate Salt, typically present at >95% purity in research settings
Impurities: Trace solvents or manufacturing by-products, residual water content may be present, no major volatile organic impurities
Eye Contact: Immediate flushing using copious running water for at least 15 minutes, remove contact lenses, seek medical attention if irritation persists
Skin Contact: Wash affected area thoroughly with soap and water, remove contaminated clothing, contact a physician if rash or persistent discomfort occurs
Inhalation: Move person to fresh air, provide respiratory support if symptoms occur, consult medical staff for persistent coughing or breathlessness
Ingestion: Rinse out mouth with water, discourage forceful vomiting, observe for signs of toxicity, seek professional medical assessment promptly
Suitable Media: Water spray, dry chemical, CO2 or foam extinguishers handle typical laboratory fires
Specific Risks: Combustion produces carbon oxides, nitrogen oxides, sulfur oxides, potential for irritating fumes
Protective Gear: Firefighters should wear self-contained breathing apparatus, full protective clothing
Actions: Evacuate nonessential personnel, ventilate area, cool exposed containers with water to prevent pressure buildup
Personal Protection: Gloves, lab coat, safety goggles must be worn during cleanup, respiratory protection if dust becomes airborne
Containment: Avoid spreading dust, cover spill with absorbent material, sweep carefully to minimize dust creation
Cleanup: Collected waste should go into closed chemical waste containers, ventilate space thoroughly, decontaminate surfaces
Environmental Measures: Prevent run-off to drains, soil, or water bodies
Handling: Use only with approved laboratory procedures inside fume hoods or ventilated enclosures, avoid breathing dust, minimize skin and eye contact
Storage: Store under dry, cool, and well-ventilated conditions, away from incompatible substances such as strong oxidizers or reducing agents
Container Requirements: Keep container tightly closed, use non-reactive materials like glass or polyethylene
Incompatibilities: Strong acids, bases, oxidizing agents could induce hazardous breakdown
Engineering Controls: Local exhaust ventilation, fume hoods in routine use, closed transfer systems for solutions
Personal Protective Equipment: Gloves (nitrile or latex), chemical splash goggles, disposable lab coats
Occupational Limits: No specific exposure limits established, general laboratory hygiene applies
Hygiene Measures: Handwashing after handling, prohibition of eating or drinking in laboratory, regular laundering of contaminated garments
Appearance: White/off-white powder or waxy solid, mild fatty odor
Solubility: Slightly soluble in water, more soluble in alcohols or organic solvents
Melting Point: Close to 50 – 60°C, depending on purity and water content
Density: Not always specified, estimated similar to long-chain quaternary ammonium compounds
Other Properties: Stable under recommended storage, tends to clump in humid conditions, forms micelles in solution above critical concentration
Chemical Stability: Stable at ambient temperature if dry and shielded from strong light
Conditions to Avoid: High humidity, reactive chemicals like oxidizers and strong alkali
Decomposition Products: Hazardous products such as carbon monoxide, carbon dioxide, nitrogen oxides, and sulfur oxides upon strong heating or combustion
Hazardous Reactions: Does not readily undergo dangerous polymerization but may decompose if exposed to extreme conditions
Acute Toxicity: Low acute toxicity anticipated based on structure, but irritation occurs with significant exposure
Skin/Eye Irritation: Direct contact causes irritation, redness observed in accidental laboratory exposures
Chronic Exposure: Insufficient human data, but similar long-chain ammonium salts show cell toxicity at higher concentrations
Allergenicity: Reports of allergic responses remain rare; prudent to handle as a potential sensitizer
Persistence: Slow biodegradation, not readily broken down by simple microbial action
Bioaccumulation: Potential for lipid association with aquatic organisms and sediment binding; no evidence of rapid elimination from ecosystems
Aquatic Toxicity: Laboratory studies on similar compounds report harmful effects on aquatic life at elevated concentrations
Recommendations: Avoid direct disposal into the environment; water treatment facilities not always equipped to remove quaternary ammonium species
Waste Disposal: Segregate for chemical waste collection, route to licensed chemical disposal contractor
Residual Handling: Rinse containers thoroughly, neutralize traces with appropriate reagents if advised by local protocol
Environmental Safeguarding: Never pour product or wash solutions into sinks, storm sewers, soil, or regular trash; comply with hazardous waste regulations
UN Classification: Not rated under hazardous transport classes, though care should match standard chemical transport best practices
Packing: Leak-proof, sealed containers, absorbent secondary packaging for liquids, clear labeling for laboratory supplies
Handling: Limit exposure to shocks, humidity, and avoid storing with food or reactive chemicals in transit
Global Inventories: May not appear on all major chemical regulatory inventories; researchers must check specific legal requirements for their country before ordering or importing
Workplace Rules: Use in line with chemical hygiene plans, local safety legislation for laboratory reagents, and institutional biosafety guidelines
Special Restrictions: Institutional safety approval commonly required for work with lipid transfection reagents, due to unknowns about chronic exposure
Labeling: Proper chemical identity, hazard warnings, and precautionary information on every storage and working container
