Boron trifluoridemethanol complex is usually a colorless or yellowcolored liquid. Boron trifluorideb 2 f 4 is an inorganic chemical compound produced by reacting the dry boric oxide and sodium fluoroborate along with the concentrated. As the world leader in boron trifluoride bf 3 production and delivery, our customers know we understand the rigorous requirements for producing and handling bf 3 with the quality and safety they. Narahari rao laboratory of molecular spectroscopy and infrared studies, department of physics, the ohio state university, columbus, ohio and l. These accelerators span a broad reactivity range and are useful in the formulation of epoxy systems. The same corrosive substances are produced on contact with the human body. Material safety data sheet for boron trifluoride bf3. Boron trifluoride and complexes market future market insights. This method describes the collection and analysis of airborne boron trifluoride. Boron trifluoride acute exposure guideline levels for. The adduct with diethyl ether, boron trifluoride diethyl etherate or just boron trifluoride etherate bf 3 oet 2 is a conveniently handled liquid and consequently is a widely encountered as a laboratory.
After 24 hr the yellow intermediate is decomposed by pouring it, with stirring, into 500 ml of crushed ice and 50 ml. Boron trifluoride catalyzed ringopening polymerization of. It is a useful lewis acid and a versatile building. Boron trifluoride ethylamine complex american elements. Inhaling the gas will irritate the respiratory system and burns. Honeywell boron trifluoride technical information brochure. Quick conversion chart of grams boron trifluoride to mol. Acute exposure guideline levels for selected airborne. Boron trifluoride bf3 cid 6356 structure, chemical names, physical and chemical. Boron trifluoride, bf3 post by madeline offerman 3g sun nov 29, 2015 7.
As the market has a number of players in the boron trifluoride. Global boron trifluoride market, by grade global boron trifluoride market growth overview and predictions on size, share and trend. Storage areas must be free of excess moisture, and to minimize corrosion, the cylinders must not be stored on damp ground. Documentation of the threshold limit values for substances in workroom air. Narahari rao laboratory of molecular spectroscopy and infrared studies. It also is used to catalyze the cleavage of ethers to alcohols, to catalyze esterification reactions, and in the nitration and sulfonation of aromatic compounds. Osha occupational chemical database occupational safety and. Boron trifluoride is commonly used as a catalyst for friedelcrafts alkylation reactions. Toxic by inhalation, in contact with skin and if swallowed. Gulbrandsen provides industrial grade boron trifluoride to the petrochemical industry where we offer global logistics options. Typified by boron trifluoride and its complexes, these lewis acid catalytic epoxy curing agents homopolymerise the epoxide group rather than the coreaction mechanism of reactive intermediates that is applicable for the amines and anhydrides. The compound is used as a source of boron trifluoride in many chemical reactions that require a lewis acid. Global boron trifluoride market, by grade global boron trifluoride market growth overview and predictions on size, share and trend through 202. Boron trifluoride, 12% in methanol catalog numbers.
An excess of aluminum chloride at elevated temperatures favors metadialkyl or symmetrical trialkyl derivatives. No boron trifluoride storage area may contain explosives or flammable materials. Upon contact with water, steam or when heated to decomposition, it will produce toxic fluoride fumes. Enriched boron trifluoride sds 2 safe delivery source 11bf 3 jy note. The number of electrons in each of borons shells is 2, 3 and.
Molecular weight of boron trifluoride convert units. Safety data sheet boron trifluoride section 1 linde gas. Tga results showed that the rpeso polymers were thermally stable at temperatures lower than 200 c and significant decomposition mainly occurred above 340. Boron trifluoride ethylamine boron trifluoride ethylamine 2 filter. The global boron trifluoride market has been segmented as follows. Boron trifluoride b 2 f 4 is an inorganic chemical compound produced by reacting the dry boric oxide and sodium fluoroborate along with the concentrated sulphuric acid. Journal of molecular spectroscopy 18, 404411 1965 v3 of boron trifluoride sister noel dreska i and k. Boron trifluoride acetic acid complex cameo chemicals noaa. Given careful acid selection, the cure can either proceed very rapidly at room or even lower temperature or, alternatively, provide a long room temperature potlife, ultimately requiring a moderate to elevated temperature to initiate the cure. Its fire retardant and antioxidant properties are used by the magnesium industry for protecting molten magnesium and its alloys from oxidation niosh 1976. Excerpt from erg guide 157 substances toxic andor corrosive noncombustible watersensitive. Boron trifluoride substance information hazmat tool. Boron trifluorideamine complex bf3 leepoxy plastics.
The principal acute effect in animals is irritation of the mucous membranes of the respiratory tract and eyes. Boron trifluoride etherate, strictly boron trifluoride diethyl etherate, or boron trifluoride ether complex, is the chemical compound with the formula bf 3 oc 2 h 5 2, often abbreviated bf 3 oet 2. It compiles information from several government agencies and organizations. American conference of governmental industrial hygienists, pp. Boron trifluoride fumes strongly dense white mist in moist air to form corrosive hydrogen fluoride, fluoboric acid and boric acid. The adduct with diethyl ether, boron trifluoride diethyl etherate, or just boron trifluoride etherate, bf 3 oet 2 is a conveniently handled liquid and consequently is widely encountered as a laboratory source of bf 3. Boron trifluoride dimethanol complex, 5052% ww boron trifluoride alfa aesar formula. Reaction with alkali metals or alkaline earth metals except magnesium will cause incandescence bretherick, 5th ed. Inhaling the gas will irritate the respiratory system and burns can result if the gas touches the skin in high concentrations. Book of semi standards, facilities standards and safety guidelines. Structure, properties, spectra, suppliers and links for. Leepoxys leecure b series of epoxy curatives is a family of boron trifluoridebased accelerators. Similarly, gaseous boron trifluoride bf3 is more easily used as its liquid complex with diethyl ether, called bf3 etherate, rather than as the toxic, corrosive gas.
It is a useful lewis acid and a versatile building block for other boron compounds. Borontrifluoride bf3 is a nonflammable compressed gas that is used as an acidic catalyst or cocatalyst in a varying array of organic synthesis reactions. Series 3610a 316 lb regulator series 3330180 302 cross purge 4775330 423 personal monitor iq250 398. Synthesis of pyridine and pyrazinebf3 complexes and their characterization in solution and solid state. Boron trifluoride is not known to decompose thermally.
At high concn, boron trifluoride causes burns to skin similar to those. Boron trifluoride article about boron trifluoride by the. Fire or excessive heat may produce hazardous decomposition products. The same corrosive substances are produced on contact with the human. Osha occupational chemical database occupational safety. The magnetron method, lacking mass analysis, is not considered reliable b. One well documented route involves the thermal decomposition of diazonium salts of bf. Boron trifluoride is a strong lewis acid and is, therefore, an excellent catalyst that is used in polymerizations, esterifications, and alkylations. Boron trifluoridemethanol complex market global industry. The principal acute effect in animals is irritation of the mucous membranes of the. Hazardous decomposition products shall include those products released. Description, boron trifluoride is a colorless gas with a pungent odor.
B11 enriched boron trifluoride 11bf3 at the boron isotope enrichment facility located in. Boron trifluoride bf 3 is a wellknown catalyst for a number of chemical reactions. Boron trifluoride is a colorless gas which has an acidic, irritating, persistent odor which in moist air, hydrolyzes to form white dense fumes. Boron trifluoride methyl sulfide complex is a common reagent used for dealkylation of. Upon contact with water, steam or when heated to decomposition, boron trifluoride will produce toxic fluoride fumes. Bf3 vapor reacts rapidly with water in the air to form bf3 hydrates. This chemical inventory is oshas premier onestop shop for occupational chemical information. Boron trifluoridemethanol complex possesses autoignition temperature of. It is stable as a solution in etheran excess of ether compared to bf 3 but not as a pure stoichiometric substance. At high concn, boron trifluoride causes burns to skin similar to those caused by hydrogen fluoride, although boron trifluoride burns do not penetrate as deeply as do hydrogen fluoride burns. Pyridine boron trifluoride journal of the american. Sigmaaldrich offers a number of boron trifluoride 1butanol solution products. As the market has a number of players in the boron trifluoride market, major players are focusing on providing customized complexes as per requirement for specific applications.
Boron trifluoride is the inorganic compound with the formula bf3. Its a colorless, pungent smelling water gas, produces white forms in the moist air, gets distilled under vacuum and soluble in water. Convert grams boron trifluoride to moles or moles boron trifluoride to grams. Boron trifluoride is a colorless, strongly irritating, toxic gas.
The analysis is based on measurement of fluoroborate using an ion specific electrode. Its fire retardant and antioxidant properties are used. Browse our library of bf 3 technical documents for the critical usage and safety information you need. Leepoxys leecure b series of epoxy curatives is a family of boron trifluoridebased. Borontrifluoride bf3 is a nonflammable compressed gas. This pungent colourless toxic gas forms white fumes in moist air. A very corrosive, moisturesensitive liquid, when heated to decomposition it emits toxic fumes of fluoride and oxides of boron lewis, 3rd ed. The color depends upon the concentration of the product. Honeywell boron trifluoride as the world leader in boron trifluoride bf 3 production and delivery, our customers know we understand the rigorous requirements for producing and handling bf 3 with the quality and safety they demand. Chemical identification and physical properties exposure limits sampling information. Other articles where boron trifluoride is discussed. Reaction with excess water forms fluoroboric acid a strong acid, boric acid and hydroxy fluoroboric acids. Boron trifluoride is a colorless gas that is corrosive to tissues due to its rapid hydrolysis to hydrofluoric acid and boric acid. Cylinders of boron trifluoride must be secured against dropping, falling and rupture.
Boron trifluoride boron trifluoride is a colorless gas which has an acidic, irritating, persistent odor which in moist air, hydrolyzes to form white dense fumes. Convert grams boron trifluoride to moles conversion of. Hill book co inc, 1953, pp 22921 national nuclear energy series. Boron trifluoride etherate, strictly boron trifluoride diethyl etherate, or boron trifluorideether complex, is the chemical compound with the formula bf 3 oc 2 h 5 2, often abbreviated bf 3 oet 2. Boron trifluoride chemical formula properties of boron. It is a colorless liquid, although older samples can appear brown. Santa cruz bio santa cruz bio 1 sigmaaldrich sigmaaldrich 1 filter. Enriched boron trifluoride sds 2 safe delivery source. Some incident neutrons interact with the boron10 in the gas, producing two charged particles with a combined energy of 2. Noncombustible, substance itself does not burn but may decompose upon heating to produce. Boron trifluoride is a particularly effective catalyst when alcohols are used, converting them into. Carbon monoxide, carbon dioxide, boron trifluoride, diethyl ether, hydrogen fluoride gas, oxides of boron.
1435 31 777 1238 94 231 619 1115 196 222 553 1139 1271 281 1439 1211 212 1452 1481 110 989 1094 920 280 387 384 1284 1287 1096 1033