A fire suppression blends of CF3I and 2-BTP with mol ratios from 1:5 and 5:1 are capable of passing peak inerting and sub-inerting tests. The CF3I:2-BTP fire suppression blends can also include carbon dioxide of up to 80% of the fire suppression blend to provide additional cooling.

Disclosed in the present disclosure are a method and system for producing hexafluoro-1,3-butadiene. It includes: under the action of a catalyst, chlorotrifluoroethylene reacting with hydrogen gas in a first reactor to obtain a mixture, the mixture entering a rectification apparatus, trifluoroethylene obtained by rectification entering a second reactor and reacting with bromine under light to obtain 1,2-dibromo-trifluoroethane; in a third reactor pre-loaded with the 1,2-dibromo-trifluoroethane, adding the 1,2-dibromo-trifluoroethane and solid alkali, and performing reaction to obtain bromotrifluoroethylene; and adding the bromotrifluoroethylene to a fourth reactor holding with zinc powder, an initiator and an organic solvent for reaction, so as to obtain a trifluoroethenyl zinc bromide solution, performing filtration, and then adding a coupling agent for a coupling reaction, so as to obtain hexafluoro-1,3-butadiene. The present disclosure has the advantages of high safety, good in catalytic stability and high in process selectivity, and can achieve continuous production.

Disclosed in the present disclosure are a method and system for producing hexafluoro-1,3-butadiene. It includes: under the action of a catalyst, chlorotrifluoroethylene reacting with hydrogen gas in a first reactor to obtain a mixture, the mixture entering a rectification apparatus, trifluoroethylene obtained by rectification entering a second reactor and reacting with bromine under light to obtain 1,2-dibromo-trifluoroethane; in a third reactor pre-loaded with the 1,2-dibromo-trifluoroethane, adding the 1,2-dibromo-trifluoroethane and solid alkali, and performing reaction to obtain bromotrifluoroethylene; and adding the bromotrifluoroethylene to a fourth reactor holding with zinc powder, an initiator and an organic solvent for reaction, so as to obtain a trifluoroethenyl zinc bromide solution, performing filtration, and then adding a coupling agent for a coupling reaction, so as to obtain hexafluoro-1,3-butadiene. The present disclosure has the advantages of high safety, good in catalytic stability and high in process selectivity, and can achieve continuous production.

Described herein are labeling agents, specifically [.sup.11C]fluoroform, [.sup.11C]difluoromethane, [.sup.11C]fluoromethyl iodide, [.sup.11C]fluoromethyl bromide, [.sup.11C]fluoromethyl chloride, [.sup.11C]fluoromethyl trifluoromethansulfonate, [.sup.11C]difluoromethyl iodide, [.sup.11C]difluoromethyl bromide, [.sup.11C]difluoromethyl chloride, [.sup.11C]difluoromethyl trifluoromethansulfonate, [.sup.11C]trifluoromethyl iodide, [.sup.11C]trifluoromethyl bromide, [.sup.11C]trifluoromethyl chloride, [.sup.11C]trifluoromethyl trifluoromethansulfonate, [.sup.18F]fluoroform, [.sup.18F]difluoromethane, [.sup.18F]difluoromethyl bromide or [.sup.18F]trifluoromethyl bromide. Also included are methods of labeling precursors to provide labeled fluoroalkanes and imaging methods.

Described herein are labeling agents, specifically [.sup.11C]fluoroform, [.sup.11C]difluoromethane, [.sup.11C]fluoromethyl iodide, [.sup.11C]fluoromethyl bromide, [.sup.11C]fluoromethyl chloride, [.sup.11C]fluoromethyl trifluoromethansulfonate, [.sup.11C]difluoromethyl iodide, [.sup.11C]difluoromethyl bromide, [.sup.11C]difluoromethyl chloride, [.sup.11C]difluoromethyl trifluoromethansulfonate, [.sup.11C]trifluoromethyl iodide, [.sup.11C]trifluoromethyl bromide, [.sup.11C]trifluoromethyl chloride, [.sup.11C]trifluoromethyl trifluoromethansulfonate, [.sup.18F]fluoroform, [.sup.18F]difluoromethane, [.sup.18F]difluoromethyl bromide or [.sup.18F]trifluoromethyl bromide. Also included are methods of labeling precursors to provide labeled fluoroalkanes and imaging methods.

Some embodiments of the invention include inventive catalysts (e.g., compounds of Formula (I) or (Ia)). Other embodiments include compositions comprising the inventive catalysts. Some embodiments include methods of using the inventive catalysts (e.g., in hydrofluorination of an organic compound). Further embodiments include methods for making the inventive catalysts. Additional embodiments of the invention are also discussed herein.

Some embodiments of the invention include inventive catalysts (e.g., compounds of Formula (I) or (Ia)). Other embodiments include compositions comprising the inventive catalysts. Some embodiments include methods of using the inventive catalysts (e.g., in hydrofluorination of an organic compound). Further embodiments include methods for making the inventive catalysts. Additional embodiments of the invention are also discussed herein.

There is provided a method for producing bromofluoromethane capable of selectively synthesizing at least one of tribromofluoromethane and dibromodifluoromethane. The method for producing bromofluoromethane includes: a fluorination step of reacting a fluorinating agent with a raw-material compound which is at least one of carbon tetrabromide and tribromofluoromethane for fluorination in the presence of a simple substance or a salt of a metal belonging to the third period or the fourth period and belonging to any of Group III to Group XIII of the periodic table to synthesize a target compound which is at least one of tribromofluoromethane and dibromodifluoromethane. The raw-material compound and the target compound are not the same.

The present disclosure discloses a safeguard agent and a use thereof. The present disclosure provides a safeguard agent consisting of component A and component B, and the molar ratio of the component A to the component B is 1:(1-4). The safeguard agent in the present disclosure can cool the protected space and heat sources, physically isolate heat sources, prevent burning or extinguish the flame in the space, suppress explosion, and effectively and continuously suppress and prevent reignition. Using the safeguard agent of the present disclosure as a suppression agent for battery thermal runaway can achieve the purpose of terminating thermal runaway after cooling, antiflaming, suppression, or extinguishing of a battery in thermal runaway, and more batteries can achieve constant voltage and good appearance without damage phenomena. For other batteries affected by heat in the space, the safeguard agent can also effectively prevent or suppress potential thermal runaway.

The present disclosure discloses a safeguard agent and a use thereof. The present disclosure provides a safeguard agent consisting of component A and component B, and the molar ratio of the component A to the component B is 1:(1-4). The safeguard agent in the present disclosure can cool the protected space and heat sources, physically isolate heat sources, prevent burning or extinguish the flame in the space, suppress explosion, and effectively and continuously suppress and prevent reignition. Using the safeguard agent of the present disclosure as a suppression agent for battery thermal runaway can achieve the purpose of terminating thermal runaway after cooling, antiflaming, suppression, or extinguishing of a battery in thermal runaway, and more batteries can achieve constant voltage and good appearance without damage phenomena. For other batteries affected by heat in the space, the safeguard agent can also effectively prevent or suppress potential thermal runaway.