Triethylborane

ChemicalBook > CAS DataBase List > Triethylborane

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

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Triethylborane Property

Melting point:: -92°C
Boiling point:: 95°C
Density: 0.865 g/mL at 25 °C
vapor pressure: 67hPa at 25℃
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
Exposure limits: ACGIH: TWA 50 ppm; STEL 100 ppm (Skin)
OSHA: TWA 200 ppm(590 mg/m3)
NIOSH: IDLH 2000 ppm; TWA 200 ppm(590 mg/m3); STEL 250 ppm(735 mg/m3)
InChIKey: LALRXNPLTWZJIJ-UHFFFAOYSA-N
CAS DataBase Reference: 97-94-9(CAS DataBase Reference)
NIST Chemistry Reference: Borane, triethyl-(97-94-9)
EPA Substance Registry System: Borane, triethyl- (97-94-9)

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Safety

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
F: 2-10
TSCA: Yes
HazardClass: 3
PackingGroup: II
HS Code: 29319090
Hazardous Substances Data: 97-94-9(Hazardous Substances Data)
Toxicity: LD50 orl-rat: 235 mg/kg 14KTAK -,693,64

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H250Catches fire spontaneously if exposed to air

H301Toxic if swalloed

H314Causes severe skin burns and eye damage

Precautionary statements

P231+P232Handle under inert gas. Protect from moisture.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P370+P378In case of fire: Use … for extinction.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 179701
Product name: Triethylborane solution
Purity: 1.0 M in THF
Packaging: 100ml
Price: $122
Updated: 2024/03/01

Sigma-Aldrich

Product number: 179701
Product name: Triethylborane solution
Purity: 1.0 M in THF
Packaging: 800ml
Price: $448
Updated: 2024/03/01

TCI Chemical

Product number: T1984
Product name: Triethylborane (ca. 11% in Tetrahydrofuran, ca. 1mol/L)
Packaging: 100mL
Price: $322
Updated: 2024/03/01

Alfa Aesar

Product number: L15109
Product name: Triethylborane
Purity: 1M soln. in THF
Packaging: 25ml
Price: $52.6
Updated: 2024/03/01

Alfa Aesar

Product number: L15109
Product name: Triethylborane
Purity: 1M soln. in THF
Packaging: 100ml
Price: $159
Updated: 2024/03/01

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Triethylborane Chemical Properties,Usage,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.

Uses

Triethylborane reacted with 8-hydroxyquinoline to synthesize three 8--?hydroxyquinolato (q) boron compounds B(C2H5)?2q (1)?, BPh2q (2)?, and B(2-?naph)?2q (3).

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.

Flammability and Explosibility

Pyrophoric

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

Fluvastatin sodium salt SODIUM TETRAETHYLBORATE Atorvastatin

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View Lastest Price from Triethylborane manufacturers

Hebei Guanlang Biotechnology Co., Ltd.

Product: Triethylborane 97-94-9
Price: US $9.90/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2021-09-29

Zhuozhou Wenxi import and Export Co., Ltd

Product: Triethylborane 97-94-9
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-08-11

Zhuozhou Wenxi import and Export Co., Ltd

Product: Triethylborane (ca. 11% in Tetrahydrofuran, ca. 1mol/L) 97-94-9
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-06-27

97-94-9, TriethylboraneRelated Search:

Diethylenetriamine Triethylphosphine Triethylamine SODIUM TETRAETHYLBORATE Triethylsilane Triethylaluminum Dimethylaminoborane Borane-methyl sulfide complex Borane morpholine complex VANADIUM(III) ACETYLACETONATE Tribromoacetaldehyde 2,2,2-Tribromoethanol Phosphorus tribromide Tribromoacetic acid SODIUM TRIETHYLBOROHYDRIDE ARSENIC ACID TRIETHYL ESTER TRI-SEC-BUTYLBORANE Lithium Triethylborohydride

Triethylborane1M solution in tetrahydrofuranAcroSeal§3

(ca. 1Mol/L in Tetrahydrofuran)

Triethylborane&nbsp

Triethylborane, 1M solution in THF, AcroSeal 100ML

Triethylborane (ca. 11% in Tetrahydrofuran, ca. 1Mol/L)

Triethylborane, 1M solution in tetrahydrofuran

Triethylboron,98%

triethylborane solution

Triethylborane, in hexanes, 1M solution

Triethylborane, in tetrahydrofuran

Triethylborane-1,3-diaminopropane complex

TRIETHYLBORANE SOLUTION, ~1 M IN THF

TRIETHYLBORANE SOLUTION, ~15% IN HEXANE

TRIETHYLBORANE, 95+%

TRIETHYLBORANE, 2.0M SOLUTION IN ETHER

TRIETHYLBORANE, 1.0M SOLUTION IN TETRAHY DROFURAN

TRIETHYLBORANE, 1.0M SOLUTION IN HEXANES

Triethylborane, 1M solution in hexane

Triethylborane ,0% [10% solution in THF]

Triethylborane, 1M solution in THF, AcroSeal§3

Triethylborane, 1M solution in THF, AcroSeal

Triethylborane, 1.0 M solution in THF

Triethylboron, 98%(Material sold in non-returnable cylinder)

Triethylborane solution 1.0 M in hexanes

Triethylborane solution 1.0 M in THF

Triethylborane, 1.0 M solution in THF, SpcSeal

TRIETHYLBORANE

TRIETHYLBORON

BORON TRIETHYL

Boron ethyl

(C2H5)3B

borane,triethyl-

Borethyl

triethyl-boran

triethylborane,teb

triethylborane,teb,inhexanes

triethylborane,teb,intetrahydrofuran

triethylborane-1,3-diaminopropanecomplex,teb-dap

Triethylborine

Triethylborane, 1.0 M in hexanes

Triethylborane (ca. 1mol/L in Tetrahydrofuran)

Triethylborane, 1.0 M solution in THF, J&KSeal

triethylboron (TEB)

Triethylbo

triethylborane, 1m soln. in thf

TRIETHYLBORANE: 1M SOLUTION IN THF

CALLERY? Triethylborane, min 99.8%

Tri Ethyl Borane 1.M inTHF

97-94-9

BC2H53

CH3CH23B

C6H15B

Reduction

Synthetic Reagents

B (Classes of Boron Compounds)

Boranes

B (Classes of Boron Compounds)

Boranes