Hexafluoro-lambda6-sulfane

F6S

hexafluoro-lambda6-sulfane

CAS2551-62-4

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Identification

CAS Number
2551-62-4
EC Number
219-854-2
UN Number
1080
PubChem CID
17358

Physical-chemical properties

Molecular Formula
F6S
Molar Mass
146.06 g/mol
IUPAC Name
hexafluoro-lambda6-sulfane

Chemical Identifiers

InChI
InChI=1S/F6S/c1-7(2,3,4,5)6
InChI Key
SFZCNBIFKDRMGX-UHFFFAOYSA-N

Overview

Hexafluoro-lambda6-sulfane (CAS 2551-62-4) is a sulfur hexafluoride compound with exceptional chemical stability and unique electronic properties. This highly fluorinated sulfur compound represents one of the most chemically inert substances known to science, featuring a distinctive octahedral molecular geometry where six fluorine atoms surround a central sulfur atom. With its molecular formula F6S and molecular weight of 146.06 g/mol, hexafluoro-lambda6-sulfane exhibits remarkable thermal and chemical stability that makes it valuable in specialized industrial applications. The compound belongs to the broader family of hypervalent sulfur compounds, sharing certain structural characteristics with other highly stable gaseous compounds like nitrous oxide, though its fluorinated structure provides distinctly different properties. The substance is classified under ADR Class 2 for transportation purposes, reflecting its gaseous nature under standard conditions. Despite its high fluorine content, hexafluoro-lambda6-sulfane demonstrates exceptional non-reactivity under normal conditions, making it suitable for applications requiring chemical inertness. Its high dielectric strength and arc-quenching properties have established it as a critical material in electrical equipment manufacturing and high-voltage applications. Primary industrial applications include use as an insulating gas in electrical switchgear, as a protective atmosphere in specialized metallurgical processes, and in advanced semiconductor manufacturing where ultra-pure, inert environments are essential. The compound's unique properties also make it valuable in certain analytical chemistry applications and as a reference standard in gas chromatography. OYSI maintains strategic partnerships with certified manufacturers to ensure reliable supply of hexafluoro-lambda6-sulfane for European industrial customers requiring this specialized chemical compound.

Safety & Classification

No Hazard Classification

This substance is not classified as hazardous according to CLP Regulation (EC) No 1272/2008.

Transport (ADR)

UN Number1080
ADR Class2
Packing Group
Tunnel CodeC/E
Proper Shipping NameSchwefelhexafluorid, unter Druck verflüssigt
Marine PollutantNo

Frequently Asked Questions

What is hexafluoro-lambda6-sulfane?

Hexafluoro-lambda6-sulfane is an inorganic sulfur compound with the molecular formula F6S and CAS number 2551-62-4. This chemical consists of a central sulfur atom bonded to six fluorine atoms, forming a highly fluorinated compound with a molecular weight of 146.06 g/mol. It belongs to the family of sulfur fluorides and exhibits unique chemical properties due to its high fluorine content and lambda-6 sulfur oxidation state.

What are the physicochemical properties of hexafluoro-lambda6-sulfane?

Hexafluoro-lambda6-sulfane is a gaseous compound under standard conditions, characterized by its high volatility and chemical reactivity. As a perfluorinated sulfur compound, it exhibits low solubility in water but may show better solubility in organic solvents. The compound's high fluorine content contributes to its thermal stability and unique electronic properties, making it chemically distinct from other sulfur compounds.

What is hexafluoro-lambda6-sulfane used for?

Hexafluoro-lambda6-sulfane serves as a specialized reagent in advanced chemical synthesis and research applications. Its primary uses include serving as a fluorinating agent in organic chemistry, acting as a precursor for other fluorinated compounds, and functioning in specialized industrial processes requiring highly fluorinated materials. The compound may also find applications in materials science research and as a component in certain electronic or semiconductor manufacturing processes.

How to handle hexafluoro-lambda6-sulfane safely?

Hexafluoro-lambda6-sulfane should be handled with appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume hoods to prevent inhalation exposure. Due to its reactive nature with fluorine atoms, avoid contact with incompatible materials and ensure proper training before handling. Always follow standard laboratory safety protocols for reactive chemicals.

How to store hexafluoro-lambda6-sulfane correctly?

Hexafluoro-lambda6-sulfane should be stored in tightly sealed containers in a cool, dry, and well-ventilated area away from heat sources and incompatible materials. Due to its gaseous nature and reactivity, specialized storage equipment may be required, including pressure-rated containers if applicable. Keep away from strong reducing agents and metals that may react with fluorinated compounds. Maintain proper labeling and inventory control.

What to do in case of contact with hexafluoro-lambda6-sulfane?

In case of skin contact with hexafluoro-lambda6-sulfane, immediately remove contaminated clothing and rinse the affected area with plenty of water for at least 15 minutes. For eye contact, flush eyes thoroughly with clean water and seek medical attention. If inhaled, move the person to fresh air and monitor breathing. In case of ingestion, do not induce vomiting and seek immediate medical attention. Always consult safety data sheets for specific guidance.

How to dispose of hexafluoro-lambda6-sulfane properly?

Hexafluoro-lambda6-sulfane disposal must comply with local, national, and European waste regulations as a fluorinated chemical compound. Contact licensed hazardous waste disposal companies for proper handling and treatment. Do not release to the environment or dispose of through standard waste streams. Small laboratory quantities may require specialized neutralization procedures. Always consult with waste management professionals and follow applicable environmental regulations for fluorinated compounds.

How to transport hexafluoro-lambda6-sulfane?

Hexafluoro-lambda6-sulfane falls under ADR Class 2 (Gases) for transportation purposes, requiring compliance with dangerous goods regulations. Transport must use appropriate packaging materials and labeling as specified by international dangerous goods codes. Vehicles must carry proper documentation and emergency response information. Only qualified personnel should handle transportation, and specific packaging instructions must be followed to ensure safe transport across European borders.

Is hexafluoro-lambda6-sulfane subject to specific regulations?

Hexafluoro-lambda6-sulfane is subject to standard European chemical regulations under REACH and CLP frameworks, requiring proper registration and classification. While not currently listed as a Substance of Very High Concern (SVHC), it must comply with standard chemical safety requirements. Users must maintain safety data sheets, conduct risk assessments, and follow occupational exposure guidelines. Additional fluorinated compound regulations may apply depending on specific applications and quantities used.

Where to buy hexafluoro-lambda6-sulfane in Europe?

Hexafluoro-lambda6-sulfane is available through specialized chemical distributors across Europe, including OYSI, which supplies high-quality chemical products to European markets. As a specialized fluorinated compound, it typically requires custom ordering through established chemical supply networks. OYSI can provide technical support, proper documentation, and regulatory compliance assistance for European customers requiring this specialized sulfur fluoride compound for research or industrial applications.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.