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Chemical Name: 1-Methylpentanol
Synonyms: 1-Methyl-1-pentanol, 1-methylvalerol, isohexanol
Molecular Formula: C6H14O
Appearance: Colorless liquid that brings a characteristic alcohol odor
Common Uses: Solvent in organic synthesis and specialty chemicals, sometimes found in laboratory research
Odor: Pungent, somewhat similar to other straight-chain alcohols
Boiling Point: 138 to 144 °C, depending on specific purity and isomer mixture
Solubility: Has low solubility in water, but mixes well with most organic solvents
Physical Hazards: Flammable liquid posing fire risk if ignition sources are present
Health Hazards: May irritate skin and eyes upon contact; breathing vapors or mist can feel unpleasant in the nose, throat, or lungs
Environmental Hazards: Has potential to cause harm to aquatic life if significant amounts reach waterways
Main Risks: Fire, skin and eye irritation, respiratory discomfort are the main safety concerns in workplace settings
Typical Symptoms: Redness, dryness, coughing, burning sensation after exposure
Main Ingredient: 1-Methylpentanol, usually present at over 95 percent concentration in pure samples
Impurities: Trace alcohols from synthesis processes, but no major stabilizers or additives
CAS Number: 1551-16-8
Hazard Class: Classified under flammable liquids with moderate acute toxicity
Eye Contact: Rinse the eyes gently with clean, lukewarm water for several minutes, making sure to lift eyelids and remove contact lenses if possible, then seek medical attention if discomfort persists
Skin Contact: Wash the affected area thoroughly with mild soap and water, remove any contaminated clothing, and continue rinsing until any irritation improves
Inhalation: Move the person to fresh air, allow them to breathe normally, and monitor for signs of tiredness, coughing, or dizziness; get professional care for ongoing symptoms
Ingestion: Rinse mouth clean with water, offer small sips of water, and avoid inducing vomiting; call a local poison center for advice right away
Suitable Extinguishing Media: Carbon dioxide, dry powder, or foam can control small fires involving this liquid
Specific Hazards: Vapors are heavier than air and can travel long distances to ignition sources, causing flashback fires
Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective gear for chemical fire situations
Hazardous Byproducts: Burning releases toxic fumes such as carbon monoxide and carbon dioxide, making good ventilation and immediate evacuation essential in building fires
Personal Protection: Use chemical-resistant gloves, goggles, and a lab coat or protective clothing; avoid breathing vapors and prevent contact with skin
Spill Cleanup: Absorb small spills with sand or inert material, then transfer waste to suitable containers for disposal
Ventilation: Open up doors and windows for ample airflow to reduce vapor buildup
Environmental Precautions: Prevent the substance from entering drains or waterways by creating physical barriers or using absorbent booms where spills occur
Handling: Keep containers tightly closed to minimize vapor escape; transfer only in well-ventilated areas, and avoid sparks, flames, or sources of static discharge
Storage: Store in a cool, dry place away from direct sunlight and heat sources, using tightly sealed chemical containers
Separation: Separate from strong oxidizing agents and acids, as unwanted reactions can result in hazardous products
Labeling: Ensure clear labeling to avoid confusion with other solvents or alcohols stored nearby
Eye Protection: Wear well-fitted safety goggles or face shields
Skin Protection: Chemical-resistant gloves such as nitrile or neoprene keep skin clean and irritation-free
Respiratory Protection: Use organic vapor respirators if work in enclosed or poorly ventilated places is necessary
Ventilation: Local exhaust or fume hoods reduce vapor levels
Occupational Limits: No official threshold limit values specific to 1-Methylpentanol, but general guidelines for alcohol vapors recommend keeping airborne concentrations below irritating levels
Workplace Hygiene: Wash hands and forearms after handling, even if gloves were used; never eat, drink, or smoke near open containers
Appearance: Transparent, colorless liquid
Odor: Sharp, alcohol-like
Boiling Point: Around 138 to 144 °C
Flash Point: Ranges from 44 to 54 °C (closed cup), indicating moderate fire risk
Melting Point: Not well-documented, but remains liquid in typical storage conditions
Density: About 0.81 to 0.83 g/cm³
Vapor Pressure: Relatively low at room temperature, but increases rapidly if heated
Solubility: Poorly mixes with water, freely mixes with alcohols, ethers, and many hydrocarbons
Viscosity: Slightly thicker than water, though easily poured
Chemical Stability: Remains stable in ordinary storage and handling
Incompatible Materials: Strong oxidizers and acids create energy release or produce hazardous decomposition
Hazardous Decomposition Products: Overheating or burning can generate toxic gases such as carbon monoxide
Polymerization: Not expected under normal conditions
Reactivity: Avoid mixing with strong reducing or oxidizing agents
Routes of Exposure: Can enter the body by breathing vapors, skin absorption, or swallowing
Acute Effects: Eye irritation, skin dryness, moderate throat and lung discomfort; large doses can depress the central nervous system
Chronic Effects: Long-term exposure isn’t well-studied, but other similar alcohols can cause liver and kidney strain with repeated overexposure
Symptoms: Headache, dizziness, drowsiness, nausea; at higher levels, more serious central nervous system impact
Sensitization: No clear signs of allergy or skin sensitization documented
Aquatic Toxicity: Can harm fish and aquatic invertebrates in high concentrations
Persistence: Breaks down slowly in water and soil
Bioaccumulation: Low tendency to build up in the tissues of living organisms due to moderate volatility and breakdown
Mobility: Moves through water easily if spilled, so spills should be captured quickly
Soil Impact: Most will evaporate but a small amount might stick to soil particles or move to groundwater if not contained
Waste Treatment: Incineration at a licensed facility or chemical incinerator with afterburner and scrubber
Do Not Discharge: Avoid pouring down sinks or drains, stop spills from reaching natural water sources
Waste Handling: Collect into labeled hazardous waste drums and close tight, ready for transfer by qualified companies
Container Disposal: Empty and triple-rinse containers, then follow local hazardous waste laws for disposal
UN Identification: Transported as flammable liquid, requires use of approved containers and labels
Shipping Instructions: Keep upright, avoid rough handling and exposure to heat during transit
Regulatory Codes: Falls under standard flammable liquid labeling according to international transport guidelines
Precautions: Keep away from foodstuffs and incompatible chemicals during storage and transport to avoid accidental contamination
Safety Classification: Recognized as a hazardous, flammable liquid per national and international chemical safety codes
Workplace Law: Listed under workplace safety regulations for flammable materials; employers must train staff, keep clear records of use and storage, and follow exposure guidelines
Packing Group: Usually packed as Group III, indicating moderate safety concerns for transport
Right-to-Know Laws: Information about risks and safe handling should be available to all workers handling 1-Methylpentanol in the workplace
