Triethyloxonium tetrafluoroborate

Product Name: Triethyloxonium tetrafluoroborate
CAS No.: 368-39-8
Chemical Name: Triethyloxonium tetrafluoroborate
Synonyms: Meerwein salt;TriethyloxoniuM Fluoroborate;triethyloxonium;SKL1448;SKL1562;TRIETHYLOX;MEERWEIN'S REAGENT;Triethoxonium fluoroborate;Triethyloxytetrafluoroborate;Triethyloxonium terafluoroborate
CBNumber: CB0198800
Molecular Formula: C6H15BF4O
Formula Weight: 189.99
MOL File: 368-39-8.mol

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Triethyloxonium tetrafluoroborate Property

Melting point:: 96-97°C
Density: 1.328 g/mL at 25 °C
storage temp.: 2-8°C
solubility: methylene chloride: 20 mg/mL, clear, colorless
form: Powder
color: White
Water Solubility: REACTS
Sensitive: Moisture Sensitive
Merck: 14,5796
BRN: 3598090
Exposure limits: ACGIH: TWA 50 ppm
OSHA: TWA 25 ppm; STEL 125 ppm
NIOSH: IDLH 2300 ppm
InChI: InChI=1S/C6H15O.BF4/c1-4-7(5-2)6-3;2-1(3,4)5/h4-6H2,1-3H3;/q+1;-1
InChIKey: IYDQMLLDOVRSJJ-UHFFFAOYSA-N
SMILES: [B-](F)(F)(F)F.[O+](CC)(CC)CC
CAS DataBase Reference: 368-39-8(CAS DataBase Reference)
EPA Substance Registry System: Oxonium, triethyl-, tetrafluoroborate(1-) (368-39-8)

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Safety

Hazard Codes: C
Risk Statements: 34-40-14-67-37
Safety Statements: 23-24/25-26-36/37/39-45-22
RIDADR: UN 3265 8/PG 2
WGK Germany: 2
RTECS: RR4584700
F: 3-10-16-21
Hazard Note: Corrosive
TSCA: Yes
HazardClass: 4.1
PackingGroup: II
HS Code: 29420000
Toxicity: dnd-smc 500 mmol/L CPBTAL 23,2485,75

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

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.

P363Wash contaminated clothing before reuse.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 90520
Product name: Triethyloxonium tetrafluoroborate
Purity: ≥97.0% (T)
Packaging: 25g
Price: $146
Updated: 2024/03/01

Sigma-Aldrich

Product number: 176230
Product name: Triethyloxonium tetrafluoroborate solution
Purity: 1.0 M in methylene chloride
Packaging: 100ml
Price: $145
Updated: 2024/03/01

TCI Chemical

Product number: T1606
Product name: Triethyloxonium Tetrafluoroborate (15% in Dichloromethane, ca. 1mol/L) [Ethylating Reagent]
Packaging: 100mL
Price: $147
Updated: 2024/03/01

Alfa Aesar

Product number: A11678
Product name: Triethyloxonium tetrafluoroborate
Purity: 1.0M in dichloromethane
Packaging: 25ml
Price: $41.6
Updated: 2024/03/01

Alfa Aesar

Product number: 042934
Product name: Triethyloxonium tetrafluoroborate, 1.0M in dichloromethane
Purity: packaged under Argon in resealable ChemSeal? bottles
Packaging: 100ml
Price: $91
Updated: 2021/12/16

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Triethyloxonium tetrafluoroborate Chemical Properties,Usage,Production

Chemical Properties

white to light yellow crystal powder.

Uses

Triethyloxonium tetrafluoroborate is used as a powerful alkylating agent, especially for ethylation. It is used for the modification of carboxyl residues in proteins. It is involved in the preparation of μ-amino esters from lactams. It is also alkylating agent for nucleophilic functional groups in organic synthesis.

Application

Triethyloxonium tetrafluoroborate can be used:
To prepare amino esters by reacting with lactams followed by hydrolysis.
In the preparation of substituted imidazolines from aziridines and nitriles via [3+2]-cycloaddition reaction.
For the N-alkylation of a series of N-arylsulfonyl-α-amino acid methyl esters having variable substituents at 4th position of the sulfonamide aromatic ring.
Synthesis of HDET2.

Safety Profile

Triethyloxonium tetrafluoroborate is a powerful ethylating agent, although the hazards are diminished because it is non-volatile. It releases strong acid upon contact with water. When heated to decomposition it emits toxic vapors of boronand Fí. Mutation data reported.

Synthesis

Triethyloxonium tetrafluoroborate is prepared from boron trifluoride,diethyl ether and epichlorohydrin:
4 Et2O·BF3+ 2 Et2O + 3 C2H3(O)CH2Cl → 3 Et3O+BF4+ B[(OCH(CH2Cl)CH2OEt]3
The trimethyloxonium salt is available from dimethyl ether via an analogous route.These salts do not have long shelf-lives at room temperature. They degrade by hydrolysis:
[(CH3CH2)3O]+BF4+ H2O → (CH3CH2)2O + CH3CH2OH +HBF4

Purification Methods

Crystallise it from diethyl ether. It is very hygroscopic, and must be handled in a dry box and stored at 0o. [Meerwein Org Synth Coll Vol V 1096 1973.] Pure material should give a clear and colourless solution in dichloromethane (1 in 50, w/v). [Beilstein 1 IV 1322.]

Triethyloxonium tetrafluoroborate Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Triethyloxonium tetrafluoroborate manufacturers

Hebei Weibang Biotechnology Co., Ltd

Product: Triethyloxonium tetrafluoroborate 368-39-8
Price: US $10.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2024-10-31

Hebei Fengjia New Material Co., Ltd

Product: Triethyloxonium tetrafluoroborate 368-39-8
Price: US $6.00/kg
Min. Order: 1kg
Purity: 0.99
Supply Ability: 10000
Release date: 2024-08-19

Henan Aochuang Chemical Co.,Ltd.

Product: Triethyloxonium tetrafluoroborate 368-39-8
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 98%
Supply Ability: 1ton
Release date: 2022-09-19

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TRIETHYLOX

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(15% in DichloroMethane, ca. 1Mol/L) [Ethylating Reagent]

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triethyloxonium tetrafluoroborate, 1.0m in dichloromethane, packaged under argon in resealable chemseal

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TRIETHYLOXONIUM TETRAFLUOROBORATE STABALISED WITH 4% DIETHYL ETHER

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TriethyloxoniuM Fluoroborate

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TriethyloxoniuM tetrafluoroborate, 1.0 M solution in CH2Cl2

TriethyloxoniuM tetrafluoroborate solution 1.0 M in Methylene chloride

Triethyloxonium tetrafluoroborate >=97.0% (T)

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triethyloxonium

triethyl-oxoniutetrafluoroborate(1-)

Triethyloxonium tetrafluoroborate, 1.0M in dichloromethane, packaged under Argon in resealable ChemSeal bottles

Triethyloxonium tetrafluoroborate, 95%, stabilized

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Triethyloxonium tetrafluoroborate, 1.0M in dichloromethane, packaged under Argon in resealable ChemSeal^t bottles

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Triethyloxonium tetrafluoroborate, 1.0 M solution in CH2Cl2, J&KSeal

(15% in DichloroMethane, ca. 1Mol/L) [

Triethyloxytetrafluoroborate

SKL1448

SKL1562

TIANFUCHEM--368-39-8--High purity 368-39-8 factory price

Triethyloxonium tetrafluoroborate, 1.0M in dichloromethane, packaged under Argon in resealable ChemSeal&trade

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368-39-2