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Product Name: 2-Octyne
Chemical Formula: C8H14
CAS Number: 629-05-0
Synonyms: Oct-2-yne, Di-n-propylacetylene
Recommended Use: Research, chemical synthesis
Manufacturer/Supplier: Enter company details and emergency contact
GHS Classification: Flammable liquid (Category 2), Acute toxicity (Category 4, oral, dermal, inhalation), Skin irritation (Category 2), Eye irritation (Category 2A)
Label Elements: Flame, exclamation mark
Signal Word: Danger
Hazard Statements: Highly flammable liquid and vapor. Harmful if swallowed, in contact with skin or inhaled. Causes skin irritation. Causes serious eye irritation.
Precautionary Statements: Keep away from heat, sparks, open flames. No smoking. Use explosion-proof equipment. Wear protective gear. Wash hands thoroughly after handling.
Chemical Name: 2-Octyne
Concentration: ≥98%
Molecular Weight: 110.20 g/mol
Impurities: None significant or as per certificate of analysis
Inhalation: Move person to fresh air, keep at rest. Seek medical advice if symptoms such as headache, dizziness, breathing difficulties appear.
Skin Contact: Remove contaminated clothing. Rinse skin with water and soap, continue for several minutes. Seek medical attention for persistent irritation.
Eye Contact: Rinse gently with plenty of water for at least fifteen minutes, keeping eyelids open. Remove contact lenses if easy to do. Get medical help.
Ingestion: Do not induce vomiting. Rinse mouth with water if the person is conscious. Seek medical attention immediately.
Suitable Extinguishing Media: Dry chemical, carbon dioxide, foam, water spray for cooling only. Avoid direct water jet.
Specific Hazards: Vapors may form explosive mixtures with air. Containers exposed to fire may burst or explode.
Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective clothing. Approach fire upwind.
Additional Information: Cool containers with water if possible. Evacuate area if large amounts involved.
Personal Precautions: Use personal protective equipment. Ensure adequate ventilation. Evacuate unnecessary personnel.
Environmental Precautions: Prevent entry into sewers, surface or ground water. Notify authorities if contamination occurs.
Methods for Clean Up: Contain spillage with inert absorbent material such as sand or vermiculite. Collect in suitable containers. Dispose according to regulations.
Handling Practices: Use in well-ventilated areas. Avoid contact with skin, eyes and clothing. Do not breathe vapors or mist. Keep away from heat and sources of ignition. Use spark-proof tools.
Storage Conditions: Store in tightly sealed containers, in a cool, dry, well-ventilated place. Keep away from incompatible materials, oxidizing agents, strong acids and bases. Protect from sunlight and static discharge.
Special Instructions: Keep container upright. Use only non-sparking equipment and take precautionary measures against static discharge.
Engineering Controls: Use chemical fume hood or local ventilation. Safety shower and eyewash stations should be nearby.
Exposure Limits: Not established for 2-Octyne; minimize exposure as a precaution.
Personal Protective Equipment: Safety goggles, impervious gloves, protective clothing resistant to chemicals. In case of poor ventilation or exposure risk, use approved respirator.
Hygiene Measures: Wash hands, face, and exposed skin thoroughly after handling. Remove contaminated clothing and wash before reuse.
Appearance: Colorless to pale yellow liquid
Odor: Mild, hydrocarbon-like
Boiling Point: 137–139°C (278–282°F)
Melting Point: -72°C (-98°F)
Vapor Pressure: Data not readily available
Solubility: Insoluble in water, soluble in organic solvents
Flash Point: 31°C (88°F), closed cup
Density: 0.76 g/cm3 at 20°C
Auto-ignition Temperature: Data not available
Viscosity: Not readily available
Chemical Stability: Stable under recommended storage conditions. Sensitive to light and air.
Possibility of Hazardous Reactions: May react violently with oxidizers, acids, alkalis. Vapors may form explosive mixture with air.
Conditions to Avoid: Sparks, static electricity, open flame, excessive heat, direct sunlight.
Incompatible Materials: Strong oxidizing agents, acids, bases.
Decomposition Products: Carbon monoxide, carbon dioxide, possible toxic fumes under fire conditions.
Likely Routes of Exposure: Inhalation, skin contact, eye contact, ingestion.
Acute Toxicity: Harmful if inhaled, swallowed, or absorbed through skin.
Skin Corrosion/Irritation: Causes skin irritation.
Serious Eye Damage/Irritation: Causes significant irritation.
Respiratory Sensitization: Possible symptoms include coughing, sore throat, headache, drowsiness.
Other Effects: At high concentrations, central nervous system depression possible.
Ecotoxicity: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Persistence and Degradability: Limited data on degradation; expected to persist in environment.
Bioaccumulative Potential: No significant bioaccumulation expected for short-chain alkynes.
Mobility in Soil: Low water solubility suggests limited mobility; may volatilize.
Additional Information: Prevent product from entering waterways, drains, sewers.
Waste Treatment Methods: Incinerate under controlled conditions or dispose in accordance with local and national regulations.
Disposal of Packaging: Triple rinse and recycle or treat as hazardous waste.
Special Precautions: Do not dispose to environment or local sewage system.
UN Number: 3295
UN Proper Shipping Name: Hydrocarbons, liquid, n.o.s. (contains 2-Octyne)
Transport Hazard Class: 3 (Flammable liquid)
Packing Group: II
Marine Pollutant: No data, but avoid release to environment.
Special Precautions: Secure containers, keep away from heat, label correctly.
US Regulations: TSCA listed; SARA 311/312 hazards include fire, acute health hazard.
EU Regulations: Classified according to Regulation (EC) No 1272/2008 (CLP/GHS); requires labeling and safety data sheet provision.
Other International Standards: Comply with applicable chemical and workplace safety laws.
Inventory Status: Listed on major chemical inventories.
Labeling Requirements: Signal word, hazard pictograms, hazard and precaution statements as required by local law.
