Sulfur tetrafluoride
Sulfur tetrafluoride (CAS: 7783-60-0, Formula: SF4, Molar Mass: 108.06 g/mol) is a highly reactive, toxic gas recognised for its potent fluorinating capabilities. It serves as a crucial reagent in organic synthesis, particularly for the conversion of carbonyl compounds to difluorides and carboxylic acids to trifluoromethyl groups. Its applications extend to the electronics industry for semiconductor manufacturing and as a specialty gas. Sulfur tetrafluoride demands careful handling due to its hazardous nature.
Fluorinating Agent in Organic Synthesis
Sulfur tetrafluoride is a powerful reagent for introducing fluorine atoms into organic molecules. It is particularly effective in converting carbonyl compounds, such as ketones and aldehydes, into geminal difluorides, and carboxylic acids into trifluoromethyl groups.
Semiconductor Manufacturing
In the microelectronics industry, sulfur tetrafluoride is employed as a specialty gas for etching and cleaning processes during semiconductor fabrication. Its reactivity allows for precise control in creating intricate circuitry on silicon wafers.
Synthesis of Fluorinated Compounds
This compound is a versatile building block for synthesizing a wide array of fluorinated organic compounds. These can find applications in pharmaceuticals, agrochemicals, and advanced materials science due to the unique properties conferred by fluorine.
| Molecular weight | 108.06 |
|---|---|
| Linear formula | SF4 |
| Boiling point | −40.4 °C(lit.) |
| Vapour pressure | 140 psi (21 °C) |
| Melting point | −121.5-−120.5 °C(lit.) |
Hazard statements
- H280Contains gas under pressure; may explode if heated
- H314Causes severe skin burns and eye damage
- H330Fatal if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
- P410Protect from sunlight
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US) |
|---|---|
| Transport (UN / ADR) | UN 2418 8(2.3) |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+,C |
| Risk statements (R) | 14-26-34-37 |
| Safety statements (S) | 26-36/37/39-38-45 |
| Supplemental hazards | Reacts violently with water. |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Sulfur tetrafluoride used for?
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Sulfur tetrafluoride is primarily used as a fluorinating agent in organic synthesis, for example, in converting carbonyl compounds to difluorides and carboxylic acids to trifluoromethyl groups. It also finds application in the electronics industry for semiconductor manufacturing.
What is the CAS number and formula for Sulfur tetrafluoride?
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The CAS number for Sulfur tetrafluoride is 7783-60-0, and its chemical formula is SF4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sulfur tetrafluoride typically as a research or technical grade. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated in the product specifications.
How should Sulfur tetrafluoride be handled safely?
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Sulfur tetrafluoride is a highly toxic and corrosive gas that reacts violently with water. Handling requires extreme caution, with appropriate personal protective equipment including a faceshield, full-face respirator, chemical-resistant gloves, and goggles. Work should be conducted in a well-ventilated area or fume hood, and all contact with moisture must be avoided. Refer to the Safety Data Sheet for detailed handling procedures.
How is Sulfur tetrafluoride packed, shipped, and exported?
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Sulfur tetrafluoride is supplied in specialised cylinders designed for compressed gases, adhering to strict safety and transportation regulations for hazardous materials, including UN 2418 classification. TSS exports globally, complying with all relevant international shipping requirements.
How can I request a quote or sample for Sulfur tetrafluoride?
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To request a quote or a sample of Sulfur tetrafluoride, please contact our sales team through the website or by phone. Provide your contact details and the quantity required, and we will respond promptly.
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