Бора трихлорид
- английское имяBoron trichloride
- CAS №10294-34-5
- CBNumberCB8852623
- ФормулаBCl3
- мольный вес117.17
- EINECS233-658-4
- номер MDLMFCD00011313
- файл Mol10294-34-5.mol
химическое свойство
| Температура плавления | −107 °C(lit.) |
| Температура кипения | 12.5 °C(lit.) |
| плотность | 1.326 g/mL at 25 °C |
| плотность пара | 4.05 (vs air) |
| давление пара | 29.72 psi ( 55 °C) |
| Fp | 84 °F |
| температура хранения | 2-8°C |
| растворимость | Miscible with dichloromethane, ethanol, carbon tetrachloride, diethyl ether, dimethyl formamide, aromatic solvents, saturated and halogenated hydrocarbon. |
| форма | Solution |
| цвет | White |
| Растворимость в воде | decomposes |
| Чувствительный | Moisture Sensitive |
| Мерк | 14,1348 |
| Пределы воздействия | ACGIH: TWA 50 ppm OSHA: TWA 25 ppm; STEL 125 ppm NIOSH: IDLH 2300 ppm |
| Стабильность | Unstable. Incompatible with metals. Reacts violently with water. Reacts vigorously with aniline, phosphine, dinitrogen tetroxide. Fumes in moist air. |
| Справочник по базе данных CAS | 10294-34-5(CAS DataBase Reference) |
| Рейтинг продуктов питания EWG | 2 |
| FDA UNII | K748471RAG |
| Справочник по химии NIST | Borane, trichloro-(10294-34-5) |
| Система регистрации веществ EPA | Boron trichloride (10294-34-5) |
| UNSPSC Code | 12352106 |
| NACRES | NA.22 |
больше
| Коды опасности | T+,T,N,F | |||||||||
| Заявления о рисках | 14-26/28-36/37/38-40-67-65-62-51/53-48/20-34-11-50/53-26/27/28-63-39/23/24/25-24-21-10 | |||||||||
| Заявления о безопасности | 9-26-28-36/37/39-45-8-61-38-28A-16-1-60-33-23-7/9-62-36/37 | |||||||||
| РИДАДР | UN 3390 6.1/PG 1 | |||||||||
| WGK Германия | 3 | |||||||||
| RTECS | ED1925000 | |||||||||
| F | 10-21 | |||||||||
| Примечание об опасности | Very toxic | |||||||||
| TSCA | Yes | |||||||||
| Классификация DOT | 2.3, Hazard Zone C (Gas poisonous by inhalation) | |||||||||
| Класс опасности | 2.3 | |||||||||
| Группа упаковки | II | |||||||||
| кода HS | 28121049 | |||||||||
| Банк данных об опасных веществах | 10294-34-5(Hazardous Substances Data) | |||||||||
| NFPA 704: |
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рисовальное письмо(GHS)
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рисовальное письмо(GHS)
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сигнальный язык
опасность
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вредная бумага
H314：При попадании на кожу и в глаза вызывает химические ожоги.
H225：Легковоспламеняющаяся жидкость. Пары образуют с воздухом взрывоопасные смеси.
H300：Смертельно при проглатывании.
H360FD：Может отрицательно повлиять на способность к деторождению. Может отрицательно повлиять на неродившегося ребенка.
H370：Поражает органы (Глаза) в результате однократного воздействия.
H311+H331：Токсично при попадании на кожу или при вдыхании.
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оператор предупредительных мер
P201：Беречь от тепла, горячих поверхностей, искр, открытого огня и других источников воспламенения. Не курить.
P210：Беречь от тепла, горячих поверхностей, искр, открытого огня и других источников воспламенения. Не курить.
P280：Использовать перчатки/ средства защиты глаз/ лица.
P303+P361+P353：ПРИ ПОПАДАНИИ НА КОЖУ (или волосы): Снять/удалить немедленно всю загрязненную одежду. Промыть кожу водой.
P304+P340+P310：ПРИ ВДЫХАНИИ: Свежий воздух, покой. Немедленно обратиться за медицинской помощью.
P305+P351+P338：ПРИ ПОПАДАНИИ В ГЛАЗА: Осторожно промыть глаза водой в течение нескольких минут. Снять контактные линзы, если Вы ими пользуетесь и если это легко сделать. Продолжить промывание глаз.
Бора трихлорид химические свойства, назначение, производство
Описание
Boron trichloride is a colorless, acid gas that fumes in the presence of moist air. It is packaged in steel cylinders as a liquid under its own vapor pressure of 19.1 psia (132 kPa, abs) at 70°F (21.1°C). It reacts with water or moist air to produce hydrochloric and boric acid.Химические свойства
Boron trichloride is a colorless gas with a pungent odor. It reacts violently with water, and on decomposition and hydrolysis yields hydrochloric and boric acid. It has a pungent, highly irritating odor. Occupational exposure to boron and boron compounds can occur in industries that produce special glass, washing powder, soap and cosmetics, leather, cement, etc.Использование
Boron trichloride is used in the refining of aluminum, copper, magnesium, and zinc to remove oxides, nitrides, and carbides trom the molten metal. Carbon monoxide, hydrogen, and nitrogen can be removed from an aluminum melt by treating with boron trichloride. It also improves the tensile strength of aluminum and will allow remelting without a major change in the grain structure.The electronic industry benefits trom boron trichloride in many applications. It is used in the production of optical fibers, as a p-type dopant for thermal diffusion in silicon, and for ion implantation.
прикладной
One of the most important uses of Boron trichloride is in the preparation of boron fibers ( Fibers, 13. Refractory Fibers). Typically an electrically heated tungsten filament is passed through a chamber containing BCl3 and hydrogen. The BCl3 is reduced, and boron is deposited on the filament, producing a stiff, strong boron fiber.Boron trichloride, like the trifluoride, has been used as a Lewis acid catalyst in organic synthesis in the polymerization of olefins and phosphazines, as well as in catalysis of other organic reactions. Boron trichloride is also used in plasma etching of aluminum and silicon, in semiconductor manufacturing, and as a source of boron for chemical vapor deposition. Steel is boronized by contacting it with a reactive mixture of hydrogen, hydrocarbons, and BCl3 at high temperatures.Общее описание
Boron trichloride appears as a colorless gas with a pungent odor. Fumes irritate the eyes and mucous membranes. Corrosive to metals and tissue and is toxic. Under prolonged exposure to fire or intense heat, the containers may rupture violently and rocket. Used as a catalyst in chemical manufacture, in soldering fluxes, and for many other uses.Реакции воздуха и воды
Fumes in air, including moisture in air and soil, to form hydrochloric acid [Merck 11th ed. 1989]. Reacts vigorously with water and forms hydrochloric acid fumes and boric acid.Профиль реактивности
Boron trichloride vigorously attacks elastomers and packing materials. Contact with Viton, Tygon, Saran and natural and synthetic rubbers is not recommended. Highly corrosive to most metals in the presence of moisture. Reacts energetically with nitrogen dioxide/dinitrogen tetraoxide, aniline, phosphine, triethylsilane, or fat and grease [Mellor 5:132 1946-47]. Reacts exothermically with chemical bases (examples: amines, amides, inorganic hydroxides).Пожароопасность
When heated to decomposition, Boron trichloride emits toxic fumes of chlorides. Boron trichloride will react with water or steam to produce heat, and toxic and corrosive fumes. In hot water, decomposes to hydrochloric acid and boric acid. Fumes and hydrolyzes in moist air to form hydrochloric acid and oily, irritating corrosives. Avoid aniline, hexafluorisopropylidene amino lithium, nitrogen dioxide, phosphine, grease, organic matter, and oxygen. Nitrogen peroxide, phosphine, fat or grease react energetically with Boron trichloride . Oxygen and Boron trichloride react vigorously on sparking. Boron trichloride and aniline react violently in the absence of a coolant or diluent. Stable.Возможный контакт
Used in refining of aluminum, magnesium, copper alloys, and in polymerization of styrene. Manufacture and purification of boron; catalyst in organic reactions; semiconductors; bonding of iron or steel; purification of metal alloys to remove oxides, nitrides, and carbides; chemical intermediate for boron filaments; soldering flux; electrical resistors; and extinguishing magnesium fires in heat treating furnaces.хранилище
Boron trichloride cylinders should be protected from physical damage. The cylinders should be stored upright and fi rmly secured to prevent falling or being knocked over, in a cool, dry, well-ventilated area of non-combustible construction away from heavily traffi cked areas and emergency exitsМетоды очистки
Purify it (from chlorine) by passage through two mercury-filled bubblers, then fractionally distil it under a slight vacuum. In a more extensive purification the nitrobenzene addition compound is formed by passage of the gas over nitrobenzene in a vacuum system at 10o. Volatile impurities are removed from the crystalline yellow solid by pumping at -20o, and the BCl3 is recovered by warming the addition compound at 50o. Passage through a trap at -78o removes entrained nitrobenzene, the BCl3 finally condensing in a trap at -112o [Brown & Holmes J Am Chem Soc 78 2173 1956]. Also purify it by condensing it into a trap cooled in acetone/Dry-ice, where it is pumped for 15minutes to remove volatile impurities. It is then warmed, recondensed and again pumped. [Gamble Inorg Synth III 27 1950.] TOXIC.Несовместимости
Incompatible with lead, graphiteimpregnated asbestos, potassium, sodium. Vigorously attacks elastomers, packing materials, natural and synthetic rubber; viton, tygon, saran, silastic elastomers. Avoid aniline, hexafluorisopropylidene amino lithium, nitrogen dioxide, phosphine, grease, organic matter; and oxygen. Nitrogen peroxide, phosphine. Fat or grease react vigorously with boron trichloride. It reacts with water or steam to produce heat, boric acid, and corrosive hydrochloric acid fumes. Oxygen and boron trichloride react vigorously on sparking. Attacks most metals in the presence of moisture.Утилизация отходов
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.Меры предосторожности
Boron trichloride vigorously attacks elastomers and packing materials, natural and synthetic rubbers. It also reacts energetically with nitrogen dioxide/dinitrogen tetraoxide, aniline, phosphine, triethylsilane, or fat and grease. It reacts exothermically with chemical bases such as amines, amides, and inorganic hydroxides. Occupational workers should use gloves of neoprene or butyl rubber, PVC or polyethylene, safety goggles, or glasses and face shield, and safety shoes.Бора трихлорид запасные части и сырье
сырьё
запасной предмет
- Boranediamine, 1-chloro-N,N,N',N'-tetrakis(1-methylethyl)-
- Borane, dichloro(pentafluorophenyl)-
- Тетрахлорид серы
- NITROSONIUM HEXAFLUOROANTIMONATE
- 1-Chlorooctane
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