Sulfur Hexafluoride

Your Professional Sulfur Hexafluoride Supplier

 

Our goal is to become your true partner in the field of sulfur hexafluoride in China. Nanjing ZL Energy Co.,Ltd mainly engaged in the technology research and development, production and sales of refrigerant, foaming agent and other energy products as well as fluorine refrigerant series products. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.

 

 
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Why Choose Us
 

Fast transportation

In order to better serve customers, the company has established its own dangerous goods transportation fleet and established a stable and efficient transportation channel.

 

Production equipment

We have 4 production lines, pressure horizontal storage tanks, spherical tanks and a complete analytical laboratory.

 

Our certification

We have ISO, SGS, ROHS and other certifications.

 

Our services

In the pre-sales stage, our team of experts will recommend the most suitable products according to the needs of customers and provide detailed technical consultation. During the sales period, we ensure timely delivery and provide installation guidance. For after-sales, we provide long-term technical support, warranty services and spare parts to help customers maximize the use of products and get reliable maintenance during use.

 

Advantages of Sulfur Hexafluoride

 

 

One of the main advantages of sulfur hexafluoride is its excellent electrical insulation properties. It has a high breakdown electric field strength, which can reach more than 3MV/cm at room temperature. This means that under the same voltage conditions, the electrical insulation capacity of sulfur hexafluoride is stronger than that of traditional air or solid insulation materials. At the same time, the dielectric constant of sulfur hexafluoride is small, about 1.002-1.008, which is also conducive to reducing the concentration of the electric field and reducing the space occupied by the dielectric.

 

Properties of Sulfur Hexafluoride
 

Properties

Colorless and odorless gas.

Melting point (℃)

-51

Boiling point (℃)

-64 (sublimation)

Relative density (water = 1)

1.67 (-100℃)

Relative vapor density (air = 1)

6.602

Saturated vapor pressure (kPa)

2450 (25℃)

Critical temperature (℃)

45.6

Critical pressure (MPa)

3.76

Octanol/water partition coefficient

1.68

Solubility

Slightly soluble in water, soluble in ethanol and ether

Heat of vaporization (Kg/mol)

23.59 (sublimation heat)

Heat of fusion (Kg/mol)

5.82

Refractive index (gas)

1.000783

 

Use Of Sulfur Hexafluoride

Power industry: Sulfur hexafluoride SF6 gas has excellent insulation properties, and its insulation strength is about 2.5 times that of air. It is widely used as an insulating material in high-voltage electrical equipment such as ultra-high voltage and extra-high voltage circuit breakers, large-capacity transformers, high-voltage cables, gas-insulated switchgear (GIS), and ring network power supply units.


Electronic semiconductor industry: Electronic grade high-purity sulfur hexafluoride is an ideal electronic etchant. In the field of microelectronics technology, such as computer chips, liquid crystal screens and other large integrated circuit manufacturing, it can be used in plasma etching processes to accurately remove unnecessary parts of the surface of semiconductor materials to create complex circuit patterns.


Chemical industry: Due to the good chemical stability, low reaction with other substances, and high density of sulfur hexafluoride SF6 gas, it can be used as a gas leak detector to quickly and accurately detect leaks in chemical equipment such as pipelines and instruments, which helps to timely discover and repair leaks and ensure the safety and stability of chemical production.

Medical field

Sulfur hexafluoride microbubbles are an ultrasound contrast agent with important applications in ultrasound imaging.

Metallurgical industry

In the smelting and casting process of non-ferrous metals such as magnesium alloys and magnesium-aluminum alloys, sulfur hexafluoride gas or a mixture of sulfur hexafluoride and nitrogen is often used as a protective gas to prevent the metal from being oxidized by air at high temperatures and improve the quality and purity of the metal.

Refrigeration industry

Sulfur hexafluoride SF6 gas has good chemical stability, has no destructive effect on the ozone layer, and has certain refrigeration performance. It can be used as a refrigerant to replace Freon and is used in low-temperature refrigeration systems in the refrigeration industry.

 

Safety Guidelines for Using Sulfur Hexafluoride
 
 

Any area where SF6 is used or stored requires ventilation systems designed to prevent the accumulation of the gas, particularly in low-lying areas where this heavy gas tends to collect.

 
 
 

PPE typically includes chemical-resistant gloves, safety goggles, and in some cases, respiratory protection. The specific requirements depend on the nature of the work and potential exposure levels.

 
 
 

SF6 levels in work areas must be monitored ongoingly. Since the gas is odorless even at dangerous concentrations, detection relies entirely on proper equipment and testing protocols.

 

 

Synthesis and Reactions of Sulfur Hexafluoride

 

Sulfur hexafluoride on Earth exists primarily as a synthetic industrial gas, but has also been found to occur naturally.

A main contribution to the inertness of SF6 is the steric hindrance of the sulfur atom, whereas its heavier group 16 counterparts, such as SeF6 are more reactive than SF6 as a result of less steric hindrance.It does not react with molten sodium below its boiling point, but reacts exothermically with lithium. As a result of its inertness, SF6 has an atmospheric lifetime of around 3200 years, and no significant environmental sinks other than the ocean.

Sulfur Hexafluoride 99.999%

 

Packing and Shipping of Sulfur Hexafluoride
 

Packing

Be stored in high-pressure cylinders or tanks

Shipping

Shipped by road, sea, rail

 

 

FAQ

 

Q: What is the structure of sulphur hexafluoride?

A: The Sulphur Hexafluoride formula is SF6. In the Sulphur hexafluoride structure, there are six fluorine atoms. Fluorine atoms are found to be attached to a sulphur atom. The SF6 molecule has an over-occupied valence shell.

Q: What is the bond shape of sulfur hexafluoride?

A: Sulfur hexafluoride has 6 regions of electron density around the central sulfur atom (6 bonds, no lone pairs). The resulting shape is an octahedron with 90° F-S-F bond angles.

Q: What is the crystal structure of SF6?

A: SF₆ is Tungsten structured and crystallizes in the cubic Im̅3m space group. The structure is zero-dimensional and consists of two SF₆ clusters. S⁶⁺ is bonded in an octahedral geometry to six equivalent F¹⁻ atoms. All S-F bond lengths are 1.58 Å.

Q: Is sulfur hexafluoride tetrahedral?

A: Sulfur hexafluoride or sulphur hexafluoride (British spelling) is an inorganic compound with the formula SF6. It is a colorless, odorless, non-flammable, and non-toxic gas. SF6 has an octahedral geometry, consisting of six fluorine atoms attached to a central sulfur atom.

Q: Is SF6 ionic or covalent?

A: SF6 (sulfur hexafluoride) is a covalent compound. In SF6, sulfur and fluorine atoms share electrons to form covalent bonds, rather than transferring them to create ions like in ionic compounds.

Q: What is the geometry of sulphur hexafluoride?

A: The molecular geometry of sulfur hexafluoride is octahedral. The central atom sulfur forms a single bond with six fluorine atoms. It is exempted from the octet rule because sulfur is a big atom with empty d orbitals available.

Q: What is the orbital structure of SF6?

A: The orbitals involved include 3s, 3py, 3py, 3pz, 3dx2–y2, and 3dz2. During the formation of SF6, the sulfur atom, which is the central atom, is in its ground state having 3s2 3p4 configuration.

Q: What is the medical use of sulfur hexafluoride?

A: Description. Sulfur hexafluoride lipid type A microspheres injection is used during an echocardiogram to help diagnose or find problems in the heart. It is also used to help diagnose or find problems in the liver or urinary tract.

We're well-known as one of the leading sulfur hexafluoride manufacturers and suppliers in China. If you're going to buy high quality sulfur hexafluoride at competitive price, welcome to get more information from our factory.

Electronic Grade Sulfur Hexafluoride SF6, High Purity Sulfur Hexafluoride 99 999 , Sulfur Hexafluoride CAS 2551 62 4