Pentafluoro-lambda5-chlorane
ClF5
pentafluoro-lambda5-chlorane
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Identification
- CAS Number
- 13637-63-3
- EC Number
- 237-123-6
- UN Number
- 2548
- PubChem CID
- 61654
Physical-chemical properties
- Molecular Formula
- ClF5
- Molar Mass
- 130.44 g/mol
- IUPAC Name
- pentafluoro-lambda5-chlorane
Chemical Identifiers
- InChI
- InChI=1S/ClF5/c2-1(3,4,5)6
- InChI Key
- KNSWNNXPAWSACI-UHFFFAOYSA-N
Overview
Pentafluoro-lambda5-chlorane (CAS 13637-63-3) is an interhalogen compound with highly reactive oxidizing properties and exceptional chemical stability under controlled conditions. This unique chemical substance, with the molecular formula ClF5 and a molecular weight of 130.44 g/mol, represents one of the most powerful fluorinating agents available in industrial chemistry. The compound belongs to the interhalogen family, where chlorine exists in an unusual +5 oxidation state surrounded by five fluorine atoms. Its distinctive lambda5 designation indicates the hypervalent nature of the chlorine center, making it significantly more reactive than conventional halogen compounds. Pentafluoro-lambda5-chlorane exhibits remarkable thermal stability compared to other interhalogen compounds, yet maintains extremely high reactivity toward organic substrates. Unlike simpler compounds such as nitrous oxide, this fluorinating agent can introduce multiple fluorine atoms into target molecules through controlled reactions. The substance requires specialized handling protocols due to its classification under ADR Class 2, indicating its nature as a compressed or liquefied gas with specific transport requirements. The compound finds primary applications in semiconductor manufacturing for plasma etching processes, where its controlled decomposition provides precise fluorine radical generation. Advanced materials synthesis represents another key application, particularly in producing high-performance fluoropolymers and specialized coatings. Additionally, it serves as a selective fluorinating reagent in pharmaceutical intermediate synthesis, enabling the introduction of fluorine atoms at specific molecular positions. As a specialized technical chemical distributor across Europe, OYSI maintains ready availability of pentafluoro-lambda5-chlorane for qualified industrial customers requiring this high-performance fluorinating agent.
Safety & Classification
No Hazard Classification
This substance is not classified as hazardous according to CLP Regulation (EC) No 1272/2008.
Transport (ADR)
| UN Number | 2548 |
| ADR Class | 2 |
| Packing Group | |
| Tunnel Code | D |
| Proper Shipping Name | Chlorpentafluorid, unter Druck verflüssigt |
| Marine Pollutant | No |
Frequently Asked Questions
What is pentafluoro-lambda5-chlorane?
Pentafluoro-lambda5-chlorane is an inorganic chemical compound with the molecular formula ClF5 and CAS number 13637-63-3. This halogen compound consists of one chlorine atom bonded to five fluorine atoms, forming a highly reactive interhalogen species. With a molecular weight of 130.44 g/mol, it represents one of the higher fluorides of chlorine and exhibits strong oxidizing properties typical of chlorine fluorides.
What are the physicochemical properties of pentafluoro-lambda5-chlorane?
Pentafluoro-lambda5-chlorane is a colorless gas at room temperature with extremely high reactivity. The compound exhibits strong oxidizing characteristics and readily decomposes in the presence of moisture, releasing toxic gases. It has a distinctive pungent odor and is highly corrosive to most materials including metals and organic compounds. The substance is essentially insoluble in water due to its violent reaction with moisture.
What is pentafluoro-lambda5-chlorane used for?
Pentafluoro-lambda5-chlorane is primarily used as a powerful fluorinating agent in specialized chemical synthesis and research applications. Its strong oxidizing properties make it valuable for preparing other fluorine compounds and for selective fluorination reactions in laboratory settings. The compound may also find use in certain advanced materials processing where controlled fluorination is required, though its extreme reactivity limits widespread industrial applications.
How to handle pentafluoro-lambda5-chlorane safely?
Pentafluoro-lambda5-chlorane requires extreme caution during handling due to its high reactivity and toxicity. Always wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection. Work in a well-ventilated area or fume hood, away from moisture and incompatible materials. Use only specialized equipment designed for handling reactive gases and ensure emergency procedures are readily available before beginning any work.
How to store pentafluoro-lambda5-chlorane correctly?
Pentafluoro-lambda5-chlorane must be stored in specialized containers designed for reactive gases, kept in a cool, dry, well-ventilated area away from moisture and heat sources. The storage area should be isolated from incompatible materials such as organic compounds, metals, and water. Use only approved pressure vessels or cylinders with appropriate valve systems, and ensure proper labeling and inventory management according to local safety regulations.
What to do in case of contact with pentafluoro-lambda5-chlorane?
Immediate evacuation from the exposure area is essential if contact with pentafluoro-lambda5-chlorane occurs. For skin contact, remove contaminated clothing and flush affected areas with copious amounts of water for at least 15 minutes. In case of inhalation, move to fresh air immediately and seek medical attention. Eye contact requires immediate irrigation with water. Always contact emergency services and poison control centers for professional medical guidance.
How to dispose of pentafluoro-lambda5-chlorane appropriately?
Pentafluoro-lambda5-chlorane disposal requires specialized hazardous waste management procedures due to its reactive and toxic nature. Never attempt disposal through normal waste streams or sewers. Contact certified hazardous waste disposal companies experienced in handling reactive gases and interhalogen compounds. All disposal must comply with local environmental regulations and may require neutralization or controlled decomposition by qualified professionals before final disposal.
How to transport pentafluoro-lambda5-chlorane?
Pentafluoro-lambda5-chlorane is classified under ADR Class 2 for transport as a compressed gas with additional hazardous properties. Transportation requires specialized packaging in approved pressure vessels with proper documentation and labeling. Only authorized carriers experienced in handling reactive gases should transport this material. All transport must comply with international dangerous goods regulations including proper emergency response information and routing restrictions.
Is pentafluoro-lambda5-chlorane subject to specific regulations?
Pentafluoro-lambda5-chlorane is subject to various chemical safety regulations including REACH registration requirements for commercial use in Europe. While not classified as an SVHC substance, its reactive and potentially hazardous nature means it falls under strict handling and reporting requirements. Users must comply with workplace safety regulations, environmental protection laws, and may need special permits or licenses depending on intended use and quantities involved.
Where to buy pentafluoro-lambda5-chlorane in Europe?
Pentafluoro-lambda5-chlorane is available through specialized chemical distributors like OYSI, which serves the European market with technical-grade chemicals. Due to its specialized nature and safety requirements, this compound is typically available only to qualified industrial and research customers. Procurement requires proper documentation, safety protocols, and may involve minimum order quantities. Contact OYSI directly for availability, technical specifications, and regulatory compliance support.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.