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Triethylborane

Triethylborane
Triethylborane structure
CAS No.
97-94-9
Chemical Name:
Triethylborane
Synonyms
(C2H5)3B;Borethyl;Triethylbo;Boron ethyl;TRIETHYLBORON;TRIETHYLBORANE;BORON TRIETHYL;triethyl-boran;Triethylborine;borane,triethyl-
CBNumber:
CB0288846
Molecular Formula:
C6H15B
Formula Weight:
97.99
MOL File:
97-94-9.mol

Triethylborane Properties

Melting point:
-92°C
Boiling point:
95°C
Density 
0.865 g/mL at 25 °C
refractive index 
n20/D 1.380
Flash point:
1 °F
storage temp. 
0-6°C
form 
Liquid
color 
Colorless to light amber
Water Solubility 
Decomposes
Sensitive 
Air Sensitive
Merck 
14,9668
BRN 
1731462
InChIKey
LALRXNPLTWZJIJ-UHFFFAOYSA-N
CAS DataBase Reference
97-94-9(CAS DataBase Reference)
FDA UNII
Z3S980Z4P3
NIST Chemistry Reference
Borane, triethyl-(97-94-9)
EPA Substance Registry System
Borane, triethyl- (97-94-9)
SAFETY
  • Risk and Safety Statements
Symbol(GHS) 
GHS02,GHS05,GHS07,GHS08,GHS09,GHS06
Signal word  Danger
Hazard statements  H318-H225-H250-H302-H314-H336-H261-H335-H351-H304-H361f-H373-H411-H301
Precautionary statements  P309-P310-P210-P231-P280-P305+P351+P338+P310-P370+P378-P422-P231+P232-P305+P351+P338-P260-P403+P235-P222-P301+P310
Hazard Codes  F+,C,N,F
Risk Statements  12-17-19-22-34-66-67-65-62-51/53-48/20-11-40-37
Safety Statements  7-9-16-23-26-29-33-36/37/39-43-45-61-43A-62
RIDADR  UN 3399 4.3/PG 2
WGK Germany  2
RTECS  ED2100000
2-10
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29319090
Toxicity LD50 orl-rat: 235 mg/kg 14KTAK -,693,64
NFPA 704
3
3

Triethylborane price More Price(10)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 179701 Triethylborane solution 1.0 M in THF 97-94-9 100ml $92.6 2021-03-22 Buy
Sigma-Aldrich 179701 Triethylborane solution 1.0 M in THF 97-94-9 800ml $364 2021-03-22 Buy
TCI Chemical T1984 Triethylborane (ca. 11% in Tetrahydrofuran, ca. 1mol/L) 97-94-9 100mL $132 2021-03-22 Buy
Alfa Aesar L15109 Triethylborane 1M soln. in THF 97-94-9 100ml $135 2021-03-22 Buy
Alfa Aesar L15109 Triethylborane 1M soln. in THF 97-94-9 25ml $43.5 2021-03-22 Buy

Triethylborane Chemical Properties,Uses,Production

Chemical Properties

Clear colourless to light amber solution. Miscible with most organic solvents; immiscible with water.

Uses

Reagent in organic syntheses blocking agent and radical initiator.

Uses

It is used in mixtures with triethylaluminumas hypergolic igniters in rocket propulsionsystems.

Synthesis Reference(s)

The Journal of Organic Chemistry, 51, p. 427, 1986 DOI: 10.1021/jo00354a002

Hazard

Flammable, dangerous fire risk, ignites spontaneously in air. Reacts violently with water and oxidizing materials. Toxic by inhalation, strong irritant.

Health Hazard

Triethylboron is a toxic substance. The toxicsymptoms from chronic exposure to thiscompound are not reported. Skin contact canburn tissues.

Fire Hazard

Triethylborane is a pyrophoric substance, igniting spontaneously on exposure to air, chlorine, or bromine. Explosion may result when mixed with oxygen. Contact with ozone, peroxides and other oxidants can cause explosion. Its concentrated solutions can be pyrophoric. Flash point of 1 M solution in hexane is -23°C ( -9°F), while that in tetrahydrofuran is -17°C (1°F) (Aldrich 1996). It decomposes explosively when mixed with water.

Safety Profile

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 oxichzers. 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.

Purification Methods

It distils at 56-57o/220mm. It can also be purified via its ammonia addition complex which is distilled in a high vacuum, decomposed with dry HCl, and the Et3B is distilled out. It is commercially available as a 15% solution in hexane or as 1M solution in hexane. [Brown J Am Chem Soc 67 376 1945, Bamford et al. J Chem Soc 471 1946, Lin et al. J Organomet Chem 312 277 1986, Beilstein 4 III 1957, 4 IV 4359.]

Triethylborane Preparation Products And Raw materials

Raw materials

Preparation Products


Triethylborane Suppliers

Global( 130)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Hangzhou FandaChem Co.,Ltd.
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Hebei Guanlang Biotechnology Co., Ltd.
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View Lastest Price from Triethylborane manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2021-09-30 Triethylborane
97-94-9
US $9.90 / KG 1KG 99% 10 mt Hebei Guanlang Biotechnology Co., Ltd.
2021-08-12 Triethylborane
97-94-9
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd
2021-07-02 Triethylborane (ca. 11% in Tetrahydrofuran, ca. 1mol/L)
97-94-9
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd

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