Butane
C4H10
butane
Consulting for Butane
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Identification
- CAS Number
- 106-97-8
- EC Number
- 203-448-7
- UN Number
- 1011
- Index Number
- 601-004-00-0
- PubChem CID
- 7843
Physical-chemical properties
- Molecular Formula
- C4H10
- Molar Mass
- 58.12 g/mol
- IUPAC Name
- butane
Chemical Identifiers
- InChI
- InChI=1S/C4H10/c1-3-4-2/h3-4H2,1-2H3
- InChI Key
- IJDNQMDRQITEOD-UHFFFAOYSA-N
Overview
Butane (CAS 106-97-8) is a saturated hydrocarbon gas with four carbon atoms, widely used as fuel and refrigerant in industrial applications. This alkane belongs to the paraffin family of hydrocarbons and exists as a colorless, highly flammable gas under standard conditions. With its molecular formula C4H10 and molar mass of 58.12 g/mol, butane demonstrates typical properties of short-chain saturated hydrocarbons. The compound is classified under ADR Class 2 for transportation due to its gaseous nature and flammability characteristics. Butane exhibits excellent combustion properties, making it highly valuable in energy applications. The gas liquefies easily under moderate pressure, which facilitates storage and transportation in pressurized containers. Its low boiling point of approximately -0.5°C allows for efficient phase transitions in various industrial processes. Unlike more complex gases such as nitrous oxide, butane burns cleanly with minimal residue formation, producing primarily carbon dioxide and water vapor. The primary industrial applications include use as a fuel gas in heating systems, as a propellant in aerosol products, and as a feedstock in petrochemical manufacturing processes. Butane serves as an essential component in liquefied petroleum gas (LPG) mixtures and finds extensive application in refrigeration systems due to its thermodynamic properties. The chemical industry also utilizes butane as a raw material for producing various derivatives including butenes and other petrochemical intermediates. Safety considerations include proper ventilation to prevent accumulation of vapors, appropriate storage in certified pressure vessels, and implementation of ignition source controls due to its flammable nature. OYSI provides high-quality butane for industrial customers across Europe, ensuring reliable supply chain management for technical applications.
Safety & Classification
No Hazard Classification
This substance is not classified as hazardous according to CLP Regulation (EC) No 1272/2008.
Transport (ADR)
| UN Number | 1011 |
| ADR Class | 2 |
| Packing Group | |
| Tunnel Code | B/D |
| Proper Shipping Name | Butan, unter Druck verflüssigt |
| Marine Pollutant | No |
Frequently Asked Questions
What is butane?
Butane is a saturated hydrocarbon gas with the molecular formula C4H10 and a molecular weight of 58.12 g/mol. It belongs to the alkane family and exists as two structural isomers: n-butane and isobutane. At room temperature and atmospheric pressure, butane is a colorless gas that can be easily liquefied under moderate pressure. It is highly flammable and commonly used as a fuel and propellant in various applications.
What are the physicochemical properties of butane?
Butane is a colorless gas at standard conditions with a characteristic petroleum-like odor. It has a boiling point of approximately -0.5°C and a melting point of -138°C. The gas is heavier than air with a density of about 2.48 kg/m³. Butane is poorly soluble in water but readily soluble in organic solvents like alcohol and ether. It forms highly flammable mixtures with air and can be easily compressed into liquid form.
What is butane used for?
Butane is primarily used as a fuel in portable stoves, camping equipment, and cigarette lighters due to its clean burning properties. It serves as a propellant in aerosol products including cosmetics, household cleaners, and industrial sprays. In the petrochemical industry, butane is used as a feedstock for producing synthetic rubber, plastics, and other organic compounds. It also functions as a refrigerant and blowing agent in foam manufacturing processes.
How to handle butane safely?
Butane requires careful handling due to its highly flammable nature and potential for explosion. Always use appropriate personal protective equipment including safety goggles, flame-resistant clothing, and static-dissipative footwear. Ensure adequate ventilation to prevent gas accumulation and maintain ignition sources away from work areas. Use explosion-proof electrical equipment and ground all containers to prevent static discharge. Regular gas detection monitoring is essential in enclosed spaces where butane is handled.
How to store butane correctly?
Butane must be stored in cool, dry, well-ventilated areas away from heat sources, sparks, and open flames. Storage containers should be kept upright and protected from direct sunlight and temperatures exceeding 50°C. Ensure storage areas have appropriate fire suppression systems and gas detection equipment. Keep butane separated from oxidizing agents and other incompatible materials. Storage facilities must comply with local fire codes and have proper emergency ventilation systems.
What to do in case of contact with butane?
Butane exposure primarily occurs through inhalation, which can cause dizziness, drowsiness, and in high concentrations, asphyxiation. If exposed, immediately move the affected person to fresh air and keep them at rest. For skin contact with liquid butane, flush with lukewarm water and avoid rubbing the affected area to prevent frostbite. Seek immediate medical attention if breathing difficulties, unconsciousness, or frostbite symptoms occur. Do not induce vomiting if ingested accidentally.
How to dispose of butane appropriately?
Butane disposal must follow local environmental regulations and waste management guidelines. Empty containers should be properly vented in well-ventilated areas away from ignition sources before disposal. Contact licensed hazardous waste disposal companies for proper handling of butane-containing materials. Never dispose of butane in regular trash, sewers, or storm drains. Residual butane can be safely released in controlled outdoor environments following appropriate safety procedures and regulatory requirements.
How to transport butane?
Butane is classified as a Class 2 dangerous good under ADR regulations for road transport in Europe. It must be transported in approved pressure vessels that meet specific construction and testing standards. Vehicles carrying butane require appropriate hazard placards, emergency information, and specialized driver training. Transport containers must be secured properly and protected from excessive heat. Emergency response equipment and spill containment materials should be readily available during transportation.
Is butane subject to specific regulations?
Butane is regulated under various European legislation including REACH registration requirements and CLP classification for hazard communication. While not currently listed as a Substance of Very High Concern (SVHC), it must comply with occupational exposure limits and workplace safety regulations. Industrial users must implement appropriate risk management measures and safety data sheet requirements. Local fire codes and environmental regulations may impose additional restrictions on storage, handling, and use of butane.
Where to buy butane in Europe?
Butane is available through specialized chemical distributors and industrial gas suppliers across Europe. OYSI serves as a reliable European distributor offering butane for various industrial and commercial applications. When purchasing butane, ensure suppliers provide proper documentation including safety data sheets, certificates of analysis, and regulatory compliance information. Choose suppliers with appropriate storage facilities, transportation capabilities, and technical support services to ensure safe and reliable supply chain management.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.