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Product Name: 2-Bromopentane
Chemical Formula: C5H11Br
CAS Number: 107-81-3
Synonyms: Pentane, 2-bromo-; 2-Pentyl bromide
Recommended Use: Research, industrial synthesis, laboratory chemical
Supplier Information: Chemical manufacturer or distributor details including emergency contact number
Emergency Overview: Flammable, harmful if inhaled, skin and eye irritant
GHS Classification: Flammable liquid (Category 3), Acute toxicity (Category 4, Inhalation), Skin irritation (Category 2), Eye irritation (Category 2A)
Hazard Statements: Causes skin and eye irritation, harmful if inhaled, possible risk of respiratory irritation, may form explosive vapor-air mixtures
Pictograms: Flame, exclamation mark
Precautionary Statements: Keep away from heat/sparks/open flames/hot surfaces, avoid breathing vapors, wash skin thoroughly after handling, wear protective gloves/eye protection
Signal Word: Warning
Other Hazards: Central nervous system effects possible with high exposure, environmental hazard to aquatic life
Chemical Name: 2-Bromopentane
Synonyms: Pentane, 2-bromo-
CAS Number: 107-81-3
EC Number: 203-522-6
Purity: Over 98%
Impurities: Trace amounts of related alkyl bromides
Additives: No stabilizers or additives present
Inhalation: Move person to fresh air, monitor for difficulty in breathing, provide oxygen by trained personnel if breathing becomes labored, seek medical attention
Skin Contact: Immediately wash with plenty of soap and water, remove contaminated clothing, seek medical attention for persistent irritation
Eye Contact: Rinse cautiously with water for at least 15 minutes, remove contact lenses if present and easy to do, continue rinsing, get prompt medical advice
Ingestion: Do not induce vomiting, rinse mouth, seek immediate medical attention, show medical personnel the product label
Most Important Symptoms: Irritation, dizziness, central nervous system effects, respiratory symptoms
Notes to Physician: Treat symptomatically, monitor respiratory and neurological function
Suitable Extinguishing Media: Foam, dry chemical, carbon dioxide, water spray (do not use direct water jet)
Hazardous Combustion Products: Hydrogen bromide, carbon oxides, bromine fumes
Specific Hazards: Vapors may form explosive mixtures with air, container may rupture from vapor pressure during fire
Firefighting Instructions: Wear self-contained breathing apparatus and protective clothing, isolate scene, use water spray to keep fire-exposed containers cool
Special Protective Equipment: Full protective gear, chemical-resistant boots and gloves, positive-pressure breathing apparatus
Additional Information: Prevent runoff from entering drains, water bodies
Personal Precautions: Evacuate unprotected personnel, ventilate area, avoid vapor inhalation and contact with skin and eyes, wear appropriate PPE
Environmental Precautions: Prevent spill from entering drains, sewers, soil, or waterways, notify authorities if escape occurs
Containment and Clean-Up: Absorb with inert material (vermiculite, sand), place in chemical waste container for disposal, decontaminate area with soap and water, ventilate area
Methods for Cleaning Up: Use non-sparking tools, collect in sealed containers, dispose of in compliance with local, state, national regulations
Decontamination: Wash area with water and detergent, ensure full removal of residues
Handling: Use only in well-ventilated areas, keep away from heat and open flames, avoid contact with skin, eyes, clothing, use explosion-proof equipment, ground and bond containers during transfer
Storage: Store in tightly closed containers in cool, dry, well-ventilated place, keep away from incompatible substances like strong oxidizers, acids, avoid sunlight and sources of ignition
Special Requirements: Use proper labeling, segregate from food and feed, secure access to trained personnel only
Hygiene Measures: Wash hands thoroughly after handling, do not eat, drink or smoke in work area
Exposure Limits: No specific OSHA or ACGIH limits established; apply general limits for organic vapors
Engineering Controls: Local exhaust ventilation, chemical fume hood, explosion-proof ventilation where possible
Eye Protection: Chemical safety goggles, face shield if splash hazard
Hand Protection: Impervious gloves (nitrile, neoprene, or butyl rubber recommended)
Skin Protection: Lab coat, protective clothing resistant to chemicals
Respiratory Protection: NIOSH-approved organic vapor respirator if exposure likely during spills or high concentrations
Environmental Controls: Closed systems, chemical trapping, regular monitoring of atmosphere
Appearance: Colorless to pale yellow liquid
Odor: Sweet, ether-like odor
Odor Threshold: Not available
pH: Not applicable
Melting Point: -82°C
Boiling Point: 102°C
Flash Point: 21°C (closed cup)
Evaporation Rate: Not determined
Flammability: Flammable liquid
Vapor Pressure: 28 mmHg at 25°C
Vapor Density: Heavier than air
Relative Density: 1.217 g/cm³ at 20°C
Solubility: Insoluble in water, soluble in ethanol, ether, and most organic solvents
Partition Coefficient (log Kow): 2.6 (estimated)
Auto-ignition Temperature: Not determined
Decomposition Temperature: Not specified
Viscosity: Not available
Chemical Stability: Stable under recommended storage conditions
Reactivity: Reacts violently with strong oxidizing agents and bases
Conditions to Avoid: Heat, flames, sparks, static discharge, sunlight
Incompatible Materials: Strong oxidizers, alkali metals, strong acids and bases
Hazardous Decomposition Products: Hydrogen bromide, carbon monoxide, carbon dioxide
Polymerization: Not expected under normal use
Acute Toxicity: LD50 (oral, rat): 1,250 mg/kg; LC50 (inhalation, rat): not determined
Skin Corrosion/Irritation: Causes skin irritation, redness possible after contact
Serious Eye Damage/Irritation: Causes eye irritation, burning, redness
Respiratory Sensitization: May cause respiratory tract irritation
Skin Sensitization: Not expected to cause sensitization
Chronic Effects: Prolonged or repeated exposure can cause dermatitis, CNS effects
Carcinogenicity: Not classified as carcinogenic by IARC, NTP, OSHA
Reproductive Toxicity: Data insufficient; treat as potential hazard
Target Organ Systemic Toxicity: High concentrations may cause narcosis, drowsiness, headache
Aquatic Toxicity: Expected to be toxic to aquatic life, limited direct data
Persistence and Degradability: Not rapidly biodegradable
Bioaccumulation Potential: Potential for moderate bioaccumulation (estimated log Kow value)
Mobility in Soil: Moderate volatility, low water solubility
Other Adverse Effects: Spilled material can form surface films and affect aquatic life
Precautions: Prevent entry into waterways, drains, or soil
Methods of Disposal: Collect and dispose of in accordance with federal, state, and local regulations, use licensed waste processor for hazardous waste
Contaminated Packaging: Triple rinse containers, offer rinsed packaging for regulated disposal or recycling
Special Precautions: Do not dispose of in sewer, avoid disposal near drinking water supplies
Regulatory Disposal Code: Check for listings as halogenated organic solvent waste
UN Number: UN2340
Proper Shipping Name: 2-Bromopentane
Transport Class: 3 (Flammable liquids)
Packing Group: II
Label: Flammable liquid
Marine Pollutant: Not specifically marked
Special Precautions: Keep away from sources of ignition, handle in accordance with regulations for flammable liquids, emergency information on package
TSCA (US): Listed
REACH (EU): Registration not fully established
SARA Title III: Not subject to reporting under Sections 302/304/313
California Proposition 65: Not known to contain chemicals subject to warning
WHMIS (Canada): Class B, D2B (Flammable, Irritant)
Inventory Status: Listed in inventories for US, EU, Canada, Japan
Other Regulations: Employee training required for handling hazardous chemicals, workplace exposure controls required
