|CAS No.||97-94-9||Density||0.655 g/cm3|
|Solubility||decomposes with water||Melting Point||-92 °C
|Formula||C6H15B||Boiling Point||96.3 °C at 760 mmHg|
|Molecular Weight||97.99||Flash Point||12 °C|
|Transport Information||UN 3399 4.3/PG 2||Appearance||Clear colourless to light amber solution|
|Molecular Structure||Hazard Symbols||F+,C,N,F|
Empirical Formula: C6H15B
Molecular Weight: 97.9943
Index of Refraction: 1.363
Density: 0.655 g/cm3
Flash Point: 12 °C
Enthalpy of Vaporization: 32.19 kJ/mol
Boiling Point: 96.3 °C at 760 mmHg
Vapour Pressure: 50.2 mmHg at 25 °C
Melting point: -92 °C
Storage tempreture: 0-6 °C
Water solubility: Decomposes
Sensitive: Air Sensitive
Appearance: Clear colourless to light amber solution
Structure of Triethylborane (CAS NO.97-94-9):
Product Category of Triethylborane (CAS NO.97-94-9): Boranes;Reduction;Synthetic Reagents
Triethylborane (CAS NO.97-94-9) was used to ignite the JP-7 fuel in the Pratt & Whitney J58 turbojet/ramjet engines powering the Lockheed SR-71 Blackbird spy plane, and its predecessor A-12 OXCART, and also used before lift-off to ignite the F-1 Engines on the Saturn V Rocket. Industrially, it is used as an initiator in radical reactions where it is effective even at low temperatures, and is used in vapor deposition techniques as a boron source and in reduction bond cleavage with lithium tri-tert-butoxyaluminohydride, in preparation of various boron compounds, deoxygenation of primary and secondary alcohols, rapid determination of -OH groups in organic compounds, dehydration of salt and sugar hydrates, determination of water content in crystalline hydrate compounds, in a variant of Reformatskii reaction.
|Organism||Test Type||Route||Reported Dose (Normalized Dose)||Effect||Source|
|mouse||LD50||oral||720mg/kg (720mg/kg)||"Spravochnik po Toksikologii i Gigienicheskim Normativam Vol. -, Pg. 225, 1999.|
|rat||LC50||inhalation||700ppm/4H (700ppm)||"Boron, Metallo-Boron Compounds and Boranes," Adams, R.M., ed., New York, John Wiley & Sons, Inc., 1964Vol. -, Pg. 693, 1964.|
|rat||LD50||intraperitoneal||22700ug/kg (22.7mg/kg)||"Boron, Metallo-Boron Compounds and Boranes," Adams, R.M., ed., New York, John Wiley & Sons, Inc., 1964Vol. -, Pg. 693, 1964.|
|rat||LD50||oral||235mg/kg (235mg/kg)||"Boron, Metallo-Boron Compounds and Boranes," Adams, R.M., ed., New York, John Wiley & Sons, Inc., 1964Vol. -, Pg. 693, 1964.|
Triethylborane (CAS NO.97-94-9) hasn't been listed as a carcinogen by NTP, IARC, ACGIH, or CA Prop 65. And the toxicological properties have not been fully investigated. You can see actual entry in RTECS for complete information.
Reported in EPA TSCA Inventory.
Poison by ingestion and intraperitoneal routes. Mildly toxic by inhalation. Animal experiments show that the vapor is a poison which causes pulmonary irritation and convulsions. A very dangerous fire hazard by spontaneous chemical reaction with oxidizers. Spontaneously flammable in air. Explodes in oxygen atmospheres. Hypergolic reaction with triethylaluminum. Ignites on contact with chlorine, bromine, or other halogens. Will react with water or steam to produce toxic and flammable vapors. To fight fire, do NOT use halogenated extinguishing agents. When heated to decomposition or upon contact with air it emits toxic acrid smoke and irritating fumes. See also BORANES and BORON COMPOUNDS.
Hazard Codes: F+,C,N,F
Risk Statements: 12-17-19-22-34-66-67-65-62-51/53-48/20-11
R17:Spontaneously flammable in air.
R19:May form explosive peroxides.
R20:Harmful by inhalation.
R22:Harmful if swallowed.
R48:Danger of serious damage to health by prolonged exposure.
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R65:Harmful: may cause lung damage if swallowed.
R66:Repeated exposure may cause skin dryness or cracking.
R67:Vapours may cause drowsiness and dizziness.
Safety Statements: 7-9-16-23-26-29-33-36/37/39-43-45-61-43A-62
S7:Keep container tightly closed.
S9:Keep container in a well-ventilated place.
S16:Keep away from sources of ignition.
S23:Do not breathe vapour.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S29:Do not empty into drains.
S33:Take precautionary measures against static discharges.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S43:In case of fire use ... (there follows the type of fire-fighting equipment to be used.)
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
S62:If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label.
Triethylborane , its cas register number is 97-94-9. It also can be called Triethylboron ; Boron ethyl ; Boron triethyl ; and Borane, triethyl- . It is hazardous, so the first aid measures and others should be known. Such as: When on the skin: first, should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly, get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While, it's inhaled: Remove from exposure and move to fresh air immediately. Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product: If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person.
In addition, Triethylborane (CAS NO.97-94-9) could be exposured to air. It is not compatible with strong oxidizing agents, halogenated agents, potassium hydroxide, bromine, metal halides, and you must not take it with incompatible materials, ignition sources. And also prevent it to broken down into hazardous decomposition products: oxides of boron, carbon monoxide, carbon dioxide.
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