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Product Name: Heptane
Synonyms: n-Heptane, Heptyl hydride
CAS Number: 142-82-5
Recommended Use: Laboratory solvent, industrial cleaning, chemical synthesis
Supplier: Listed company address, emergency contact phone number, supplier email
Emergency Overview: Colorless liquid with gasoline-like odor, highly flammable, quick to vaporize, significant inhalation and ingestion risks
Hazard Classification: Flammable Liquid (Category 2), Aspiration Hazard (Category 1), Acute Toxicity (Category 4 for inhalation, skin contact)
GHS Label: Highly flammable liquid and vapor, may cause drowsiness or dizziness, causes skin and eye irritation
Signal Word: Danger
Pictograms: Flame, exclamation mark, health hazard symbol
Hazard Statements: Causes central nervous system depression, harmful if inhaled, causes skin dryness, readily forms explosive air-vapor mixtures
Precautionary Statements: Keep away from heat, sparks, open flames; wear protective gloves and eye protection; avoid breathing vapors.
Chemical Name: Heptane
Concentration: Typically ≥99%
Other Components: May contain trace alkanes such as hexane or octane
Molecular Formula: C7H16
Molecular Weight: 100.2 g/mol
Impurities: Usually listed as less than 1% by weight, details may vary depending on supplier source
Inhalation: Remove to fresh air immediately, provide oxygen if breathing difficult, seek medical attention for severe symptoms
Skin Contact: Remove contaminated clothing, wash skin thoroughly with soap and water, do not reuse contaminated clothing until it is cleaned, monitor for skin irritation
Eye Contact: Rinse eyes cautiously with water for several minutes, remove contact lenses, keep eyelids open for effective irrigation, get medical assistance
Ingestion: Do not induce vomiting, rinse mouth, never give anything by mouth to an unconscious person, get urgent medical help
Most Important Symptoms/Effects: Drowsiness, dizziness, headache, skin discomfort, respiratory tract irritation
Advice for Emergency Responders: Use protective gear, avoid exposure, ensure good ventilation, treat symptomatically
Suitable Extinguishing Media: Carbon dioxide, foam, dry chemical, do not use water stream
Specific Hazards: Extremely flammable liquid and vapor, vapor may travel to ignition source and flash back, intense heat, hazardous combustion products
Special Protective Equipment: Full protective clothing, self-contained breathing apparatus, stay upwind
Flammable Limits: Lower: ~1.05% ; Upper: ~6.7% (by volume in air)
Flash Point: -4°C (25°F) - closed cup
Explosion Hazards: Vapors heavier than air, can accumulate in low areas
Advice for Firefighters: Cool containers with water spray, fight fire from safe distance, use non-sparking tools
Personal Precautions: Evacuate area, avoid breathing vapors, use explosion-proof equipment, eliminate all ignition sources
Protective Equipment: Protective gloves, chemical-resistant goggles, flame-resistant clothing, respiratory protection as needed
Environmental Precautions: Prevent entry into sewers, waterways, or soil
Methods for Containment and Cleaning Up: Absorb on inert material (e.g., sand, earth), collect and seal in containers, ventilate area, avoid sparks or flames
Notification Requirements: Inform local authorities if large spills occur
Handling: Use only in well-ventilated areas, avoid skin and eye contact, keep away from heat and ignition sources, ground and bond all equipment, use spark-proof tools, avoid breathing vapors
Storage: Store in tightly closed containers in a cool, dry, well-ventilated place, away from incompatible materials such as oxidizers or acids
Storage Conditions: Keep away from sunlight, static electricity sources and direct heat, segregate from non-compatible chemicals
Other Precautions: Wash hands thoroughly after handling, do not smoke, eat, or drink in work area
Occupational Exposure Limits: OSHA PEL 500 ppm (2000 mg/m³), ACGIH TLV 400 ppm (1640 mg/m³)
Engineering Controls: Explosion-proof ventilation, local exhaust systems, proper equipment grounding
Personal Protective Equipment: Chemical splash goggles, flame-resistant gloves, flame-retardant lab coat, approved respirator if exposure limits are exceeded
Hygiene Measures: Wash thoroughly after handling, remove contaminated clothing promptly
Environmental Controls: Keep emissions below regulatory limits, ensure good containment of all spills and leaks
Appearance: Colorless liquid
Odor: Gasoline-like, characteristic
Odor Threshold: ~0.83 ppm
pH: Not applicable (neutral hydrocarbon)
Melting Point: -91°C (-132°F)
Boiling Point: 98°C (208°F)
Flammability: Highly flammable
Vapor Pressure: ~48 mmHg at 25°C
Vapor Density: 3.5 (air = 1)
Relative Density: 0.684 (water = 1)
Solubility: Insoluble in water, miscible with organic solvents
Partition Coefficient (log Kow): 4.66
Auto-ignition Temperature: 204°C (399°F)
Decomposition Temperature: Not specified
Viscosity: <0.6 cP at 25°C
Chemical Stability: Stable under recommended handling conditions
Reactivity: Avoid exposure to strong oxidizing agents, acids, halogens
Hazardous Reactions: Forms explosive mixtures with air, polymerization not reported
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, irritating fumes
Conditions to Avoid: Heat, sparks, open flames, improper storage
Incompatible Materials: Strong oxidizers, nitric acid, chlorine
Acute Toxicity: LD50 Oral (Rat): 5000 mg/kg ; LD50 Dermal (Rabbit): >2000 mg/kg
Inhalation: CNS depression, drowsiness, dizziness, headaches
Skin Contact: Drying, irritation, possible dermatitis on prolonged or repeated exposure
Eye Contact: Irritation, redness, pain
Chronic Effects: Prolonged exposure may impact the nervous system, kidney and liver
Sensitization: Not known to cause allergic reactions
Carcinogenicity: Not listed as carcinogen by IARC, NTP, or OSHA
Mutagenicity: Not reported
Reproductive Toxicity: Not reported
Toxicity (Aquatic): Harmful to aquatic life, LC50 (fish, 96h): 4.0 mg/L
Persistence and Degradability: Not readily biodegradable, tends to remain in the environment
Bioaccumulative Potential: High, log Kow indicates potential for bioaccumulation
Mobility in Soil: Low, tends to adsorb onto soil particles
Other Adverse Effects: Spills contribute to air pollution and groundwater contamination if not contained
Waste Disposal Methods: Dispose of by incineration at licensed facility, follow local, state, and federal regulations
Contaminated Packaging: Empty containers must be triple rinsed, treat as hazardous waste
Precautions: Do not pour down drains or sewers, avoid uncontrolled releases to environment
UN Number: UN 1206
UN Proper Shipping Name: Heptanes
Transport Hazard Class: 3 (Flammable Liquid)
Packing Group: II
Marine Pollutant: Yes
Special Precautions: Keep containers upright and tightly sealed, transport using proper hazard labels, document all shipments according to regulations
OSHA: Hazardous chemical under OSHA Hazard Communication Standard
TSCA: Listed on US Toxic Substances Control Act (TSCA) inventory
EPCRA (SARA Title III): Not subject to section 302, subject to sections 311/312 (fire hazard, acute health hazard)
CERCLA Reportable Quantity: Not applicable
EU Regulation: REACH registered, subject to safety instructions and labeling
Canada (DSL/NDSL): Listed
Other International: Compliant with Japan ENCS, Australia AICS, China IECSC
