Sulfur tetrafluoride
Selective organic fluorinating agent Category Toxicity Acute toxicity Flammability hazard characteristics Storage characteristics Extinguishing agent Professional standards- Product Name
- Sulfur tetrafluoride
- CAS No.
- 7783-60-0
- Chemical Name
- Sulfur tetrafluoride
- Synonyms
- SF4;SULPHUR TETRAFLUORIDE;sulfur fluoride;Sulfur(iv) fluoride;Chebi:30495;Sulfur(4+) fluoride;Tetrafluoridosulfur;Tetrafluorosulfurane;SULFUR TETRAFLUORIDE;tetrafluoruredesoufre
- CBNumber
- CB1286834
- Molecular Formula
- F4S
- Formula Weight
- 108.06
- MOL File
- 7783-60-0.mol
Sulfur tetrafluoride Property
- Melting point:
- −121.5-−120.5 °C(lit.)
- Boiling point:
- −40.4 °C(lit.)
- Density
- 1.941
- vapor pressure
- 140 psi ( 21 °C)
- solubility
- reacts with H2O
- form
- colorless gas
- color
- colorless
- Water Solubility
- decomposes in H2O [HAW93]
- Merck
- 13,9068
- CAS DataBase Reference
- 7783-60-0(CAS DataBase Reference)
- NIST Chemistry Reference
- Sulfur tetrafluoride(7783-60-0)
- EPA Substance Registry System
- Sulfur tetrafluoride (7783-60-0)
Safety
- Hazard Codes
- T+,C,T
- Risk Statements
- 14-26-34-37
- Safety Statements
- 26-36/37/39-38-45
- RIDADR
- UN 2418 2.3
- WGK Germany
- 3
- RTECS
- WT4800000
- Hazard Note
- Highly Toxic/Corrosive
- HazardClass
- 2.3
- Hazardous Substances Data
- 7783-60-0(Hazardous Substances Data)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H280Contains gas under pressure; may explode if heated
H314Causes severe skin burns and eye damage
H330Fatal if inhaled
- Precautionary statements
-
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P271Use only outdoors or in a well-ventilated area.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P284Wear respiratory protection.
P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P310Immediately call a POISON CENTER or doctor/physician.
P320Specific treatment is urgent (see … on this label).
P321Specific treatment (see … on this label).
P363Wash contaminated clothing before reuse.
P403+P233Store in a well-ventilated place. Keep container tightly closed.
P405Store locked up.
P410+P403Protect from sunlight. Store in a well-ventilated place.
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- M016-2-05
- Product name
- Sulfur tetrafluoride
- Purity
- 94%
- Packaging
- 25g
- Price
- $795
- Updated
- 2021/12/16
- Product number
- M016-2-05
- Product name
- Sulfur tetrafluoride
- Purity
- 94%
- Packaging
- 100g
- Price
- $1195
- Updated
- 2021/12/16
- Product number
- ING0005049
- Product name
- SULFUR TETRAFLUORIDE
- Purity
- 95.00%
- Packaging
- 25G
- Price
- $1500
- Updated
- 2021/12/16
- Product number
- ING0005049
- Product name
- SULFUR TETRAFLUORIDE
- Purity
- 95.00%
- Packaging
- 100G
- Price
- $3154.07
- Updated
- 2021/12/16
- Product number
- JR6-L9334
- Product name
- Sulfurfluoride;Tetrafluorosulfurane
- Purity
- 96%
- Packaging
- 5kg
- Price
- $7280
- Updated
- 2021/12/16
Sulfur tetrafluoride Chemical Properties,Usage,Production
Selective organic fluorinating agent
Sulfur tetrafluoride is a selective organic fluorinating agent, S atoms form σ bond with sp3d hybrid orbitals on its molecular structure, molecular shape is distorted tetrahedral, at normal temperature and pressure, it is colorless gas with strong stimulus foul odor of gas which similar to sulfur dioxide, it is toxic, it does not burn and explode in the air, at 600 ℃ it remains stable. It strong hydrolyzes and emits white smoke in the air. When encounteres water environment, it will cause corrosion of similar to hydrofluoric acid. It fully hydrolyzes into hydrofluoric acid and sulfur dioxide, the partial hydrolysis can produce toxic thionyl fluoride, alkali solution can fully absorb into it and turn it into non-toxic salts; it is soluble in benzene.
Sulfur tetrafluoride (abbreviation of SF4) is currently widely used and it is the most potent selective organic fluorinating agent, it can selectively fluorinate carbonyl and hydroxyl (substituted oxygen of carbonyl compounds); it is widely used in chemical high-grade and high-end liquid crystal material medicine, pesticide intermediates production industry, it has irreplaceable position.
The above information is edited by the chemicalbook of Wang Xiaodong.
Category
Harmful gases.
Toxicity
Mid toxicity.
Acute toxicity
Inhalation-rat LCL0: 19 PPM/4h.
Flammability hazard characteristics
It can decompose into toxic hydrogen fluoride and sulfur dioxide gas when meets water.
Storage characteristics
Treasury ventilation low-temperature drying; it should be stored separately with acids, flammable, explosive materials.
Extinguishing agent
water
Professional standards
TWA 2.5 mg (fluorine)/cubic meter
Chemical Properties
A gas. Decomposes in water. Noncombustible.
Chemical Properties
Sulfur tetrafluoride is a colorless gas with an odor like sulfur dioxide. Shipped as a liquefied compressed gas.
Uses
As a fluorinating agent in the production of water- and oil-repellant materials and lubricity improvers; found as a degradation product of sulfur hexafluoride.
Uses
Selective fluorinating agent.
Uses
Compounds of interest in this group include sulfur hexafluoride (SF6) used as an electrical insulating material in circuit breakers, cables, capacitors, and transformers, and its degradation products, which are produced when electrical arcing occurs. The specific compounds produced depend on the arcing conditions. In anaerobic and anhydrous circumstances, sulfur tetrafluoride (SF4) is produced; if moisture is present, the tetrafluoride may hydrolyze to form thionyl fluoride (SOF2) and HF. Sulfuryl fluoride (SO2F2), disulfur decafluoride (S2F10), sulfur pentafluoride (SF5), and sulfur dioxide are also formed from sulfur hexafluoride. Some of these compounds are also produced as contaminants in the commercial production of sulfur hexafluoride by burning sulfur in fluorine gas, for example, sulfur tetrafluoride and disulfur decafluoride, as well as sulfur monofluoride (S2F2).
Definition
ChEBI: Sulfur tetrafluoride is a sulfur coordination entity.
General Description
Sulfur tetrafluoride is a colorless gas with a distinct sulfur odor. Sulfur tetrafluoride is highly toxic by inhalation and a strong irritant to skin, eyes and mucous membranes. Sulfur tetrafluoride reacts vigorously with water and acids to yield toxic fluoride and sulfur oxide fumes and an acidic solution. Sulfur tetrafluoride is heavier than air. Under prolonged exposure to fire or intense heat the containers may violently rupture or rocket. Sulfur tetrafluoride is used as a fluoridizing agent and as an oil repellent.
Air & Water Reactions
Violent reaction with water. Sulfur tetrafluoride reacts vigorously with water and acids to yield toxic fluoride and sulfur oxide fumes and an acidic solution.
Reactivity Profile
Sulfur tetrafluoride is a highly toxic and corrosive gas. On contact with water, steam, or mineral acids Sulfur tetrafluoride decomposes and produces toxic and highly irritating fumes. When heated to decomposition Sulfur tetrafluoride emits very toxic fluoride and sulfur oxides fumes [Lewis, 3rd ed., 1993, p. 1197]. Explosively violent reactions with 2-(hydroxymethyl)furan or 2-methyl-3-butyn-2-ol even below -50° C have been recorded [Bretherick, 5th ed., 1995, p. 1432]. Ignition or explosion may occur on contact with dioxygen difluoride even below -100° C [Streng, A. G., Chem. Rev., 1963, 63, p. 615].
Hazard
High by inhalation, strong irritant to eyes, mucous membranes, and upper respiratory tract irritant. Lung damage.
Health Hazard
Sulfur tetrafluoride is highly toxic by inhalation; it is a strong irritant to eyes and mucous membranes. Poisonous; may be fatal if inhaled. Contact may cause burns to skin and eyes. Contact with liquid may cause frostbite.
Fire Hazard
Container may explode in heat of fire. When heated to decomposition, Sulfur tetrafluoride emits very toxic fumes of fluorides and sulfur oxides. Reacts violently with water. Sulfur tetrafluoride is decomposed by concentrated sulfuric acid. Thermostable to 1112F.
Safety Profile
Poison by inhalation. A powerful irritant. Will react with water, steam, or acids to yield toxic and corrosive fumes. Incompatible with dioxygen difluoride. When heated to decomposition it emits very toxic fumes of Fand SOx. See also FLUORIDES.
Potential Exposure
Sulfur tetrafluoride is used as a selective fluorinating agent in making water-repellent and oil repellent materials and lubricity improvers. It is also used as a pesticide intermediate.
Shipping
UN2418 Sulfur tetrafluoride, Hazard Class: 2.3; Labels: 2.3-Poisonous gas, 8-Corrosive material, Inhalation Hazard Zone A. Cylinders must be transported in a secure upright position, in a well-ventilated truck. Protect cylinder and labels from physical damage. The owner of the compressed gas cylinder is the only entity allowed by federal law (49CFR) to transport and refill them. It is a violation of transportation regulations to refill compressed gas cylinders without the express written permission of the owner. Forbidden to be transported by any aircraft or by rail tank car.
Incompatibilities
Keep away from moisture, concentrated sulfuric acid, dioxygen difluoride. Reacts vigorously with water, alcohols and acids releasing toxic fluoride, sulfur oxide fumes and forming a corrosive acid solution. Readily hydrolyzed by moisture, forming hydrofluoric acid, thionyl fluoride. Attacks glass, ceramic, concrete
Waste Disposal
Return refillable compressed gas cylinders to supplier. Nonrefillable cylinders should be disposed of in accordance with local, state and federal regulations. Allow remaining gas to vent slowly into atmosphere in an unconfined area or exhaust hood. Refillabletype cylinders should be returned to original supplier with any valve caps and outlet plugs secured and valve protection caps in place.
Sulfur tetrafluoride Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Sulfur tetrafluoride manufacturers
- Product
- Sulfur tetrafluoride 7783-60-0
- Price
- US $15.00-10.00/KG
- Min. Order
- 1KG
- Purity
- 99%+ HPLC
- Supply Ability
- Monthly supply of 1 ton
- Release date
- 2021-08-11
- Product
- Sulfur tetrafluoride 7783-60-0
- Price
- US $1.00/kg
- Min. Order
- 1kg
- Purity
- 95%-99%
- Supply Ability
- 100kg
- Release date
- 2018-12-20