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Chemical Name: 1,2-Dimethylcyclopentane
Chemical Formula: C7H14
CAS Number: 2452-13-1
Physical State: Liquid at room temperature
Appearance: Clear, colorless with a petroleum-like odor
Molecular Weight: Approximately 98 grams per mole
Common Uses: Often found as a minor component in petroleum streams, used in organic synthesis and as a research chemical
Routes of Exposure: Inhalation, skin and eye contact, ingestion
Flammability: Highly flammable, vapor can ignite easily
Health Hazards: Can irritate eyes and skin, inhalation of vapors may cause dizziness or headaches, repeated exposure may affect central nervous system
Environmental Impact: Liquid and vapor harmful to aquatic life with long-lasting effects
PPE Required: Safety goggles and gloves strongly advised, splash protection needed during handling
NFPA Ratings: Health: 1; Flammability: 3; Instability: 0
Component: 1,2-Dimethylcyclopentane
Purity: Often found above 95% in commercial or laboratory settings
Impurities: Trace hydrocarbons can appear, usually straight or branched alkanes and cycloalkanes from the distillation process
Additives: No stabilizers or inhibitors are commonly introduced
Inhalation: Move affected person to fresh air immediately, provide oxygen if required
Eye Contact: Rinse with copious amounts of water for at least 15 minutes, seek medical attention if irritation persists
Skin Contact: Remove contaminated clothing, wash skin with soap and water, seek attention for persistent redness
Ingestion: Rinse mouth, avoid inducing vomiting, consult poison control for further instructions
General Advice: Individuals working with this compound should have quick access to eyewash stations and safety showers
Extinguishing Media: Use foam, dry chemical powder, or carbon dioxide; avoid water jets that spread the material
Hazardous Combustion Products: Burning produces toxic gases including carbon monoxide and carbon dioxide, heavy smoke may obscure visibility
Fire Hazards: Vapor can travel along the ground to distant sources of ignition, explosions may be possible in confined spaces
Protective Gear: Firefighters need self-contained breathing apparatus and full turnout gear to prevent exposure
Spill Response: Evacuate unprotected personnel, ensure adequate ventilation
Personal Precautions: Wear chemical-resistant gloves and goggles, avoid breathing vapor
Containment: Dike spill with non-combustible absorbents like sand or earth; never use water
Cleanup: Place absorbed waste in a chemical disposal drum, label clearly for hazardous waste pickup
Environmental Precautions: Prevent runoff into water systems, inform local environmental authorities if large releases occur
Storage Recommendations: Keep in tightly sealed metal drums or glass containers, store in a well-ventilated, dry place away from sources of ignition
Handling Guidance: Bond and ground containers during transfer to avoid static discharge; always use spark-proof tools
Compatibility: Avoid storing near oxidizing agents or acids
Hygiene: Workers should wash hands thoroughly after handling, avoid eating or smoking in storage and handling areas
Safe Practices: Routine risk assessments help limit exposure and prevent incidents
Ventilation: Local exhaust required for indoor work, use explosion-proof equipment
Personal Protection: Nitrile or neoprene gloves, safety goggles or face shield, flame-resistant lab coats
Respiratory Protection: Use organic vapor cartridge masks if airborne limits exceed recommended threshold
Exposure Limits: No specific regulatory occupational exposure limit, but minimize as much as feasible based on hydrocarbon standards
Engineering Controls: Prevent vapor accumulations by maintaining negative pressure or sufficient airflow
Boiling Point: Near 106–108°C at standard pressure
Melting Point: Near –104°C
Vapor Pressure: Moderate at room temperature
Density: About 0.75 g/cm³
Solubility: Insoluble in water, soluble in organic solvents like benzene, diethyl ether
Odor Threshold: Detectable at low concentrations due to volatile nature
Other: Exhibits low viscosity, forms explosive mixtures with air at certain concentrations
Reactivity: Stable under most ambient conditions, forms peroxides over extended storage if exposed to air
Chemical Stability: May deteriorate if exposed to strong sunlight or heat for prolonged periods
Incompatible Materials: Strong oxidizers, concentrated nitric acid, halogens
Hazardous Decomposition: Uncontrolled decomposition can release carbon oxides, possible hydrocarbon fragments
Polymerization: Not known to polymerize explosively, but storage in old containers invites risk of slow degradation
Acute Effects: Short-term inhalation produces dizziness, headaches, possible nausea, large exposure may depress nervous system
Chronic Effects: Prolonged and repeated exposure may cause skin dryness
Carcinogenicity: No concrete evidence from animal or epidemiological studies
Sensitization: Some risk of irritation, little risk of true allergy based on typical occupational exposures
Target Organs: Primarily central nervous system, eyes, and skin
Special Populations: Children and those with pre-existing skin or respiratory issues may be at heightened risk
Aquatic Toxicity: Harmful to fish and invertebrates at moderate concentrations
Mobility: Volatile, may evaporate into air from surfaces and water
Persistence: Likely to degrade slowly under natural aerobic conditions
Bioaccumulation: Low to moderate potential; lipophilic properties may allow some build-up in aquatic organisms
Soil Impact: Can travel through sandy soils, potentially impacting groundwater in the event of significant spills
Waste Handling: Dispose of as hazardous organic waste in accordance with local, state, and federal regulations
Incineration: Well-controlled high-temperature incinerators remain the preferred method
Containers: Triple rinse before recycling or disposal, clearly mark for chemical waste
Legal Obligations: Keep manifest records and document transfers to licensed hazardous-waste managers
UN Number: 1993 under bulk flammable liquid regulations
Hazard Class: Flammable liquid, class 3
Packing Group: II, denoting moderate hazard
Labels Required: Flammable liquid (diamond, red background)
Transport Conditions: Use approved containers, do not ship with strong oxidizers or open foodstuffs
Special Instructions: Vehicles must avoid heat sources, drivers should hold the correct permit for hazardous goods
OSHA Status: Designated as a hazardous chemical by US federal standards
TSCA Listing: Reported as a substance under chemical inventory rules
EPA Regulations: Subject to discharge, reporting, and waste handling requirements
Worker Protection: Right-to-know laws apply, mandatory provision of MSDS for workplace exposure
Community Awareness: Facilities storing above threshold limits may need to notify emergency authorities under emergency planning provisions
