Boron trifluoride diethyl etherate - ≥95% , CAS No.109-63-7

CAS: 109-63-7 Cat. No.: B299094 Formula: C4H10BF3O Molecular Weight: 141.93 Beilstein Registry Number: 3909607 EC Number: 203-689-8 PubChem CID: 8000
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
Boron trifluoride etherate|109-63-7|Borontrifluorideetherate|ethoxyethane;trifluoroborane|Boron trifluoride ethyl ether|Boron trifluoride-diethyl etherate|ethoxyethane; trifluoroborane|174674-80-7|BF3.Et2O|boron trifluoride diethyl ether|boron trifluoride
Storage
Store at 2-8°C,Argon charged,Desiccated
Shipped In
Wet ice,FedEx DG Service
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Size
USA
Germany (EU)*
Price
Qty
500ml
B299094-500ml
Made to order · 8–12 wks

$33.90

$38.90
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at 2-8°C,Argon charged,Desiccated Ships Wet ice,FedEx DG Service Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 128 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Usually used in the preparation of cyclopentyl- and cycloheptyl[b]indoles from aryl cyclopropyl ketones via [3+2] cycloaddition.

Specifications

Synonyms
Boron trifluoride etherate | 109-63-7 | Borontrifluorideetherate | ethoxyethane;trifluoroborane | Boron trifluoride ethyl ether | Boron trifluoride-diethyl etherate | ethoxyethane; trifluoroborane | 174674-80-7 | BF3.Et2O | boron trifluoride diethyl ether | boron trifluoride
Specifications & Purity
≥95%
Storage
Store at 2-8°C,Argon charged,Desiccated
Shipped In
Wet ice,FedEx DG Service
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Canonical Smiles
B(F)(F)F.CCOCC
IUPAC Name
ethoxyethane;trifluoroborane
InChIKey
KZMGYPLQYOPHEL-UHFFFAOYSA-N
INCHI
1S/C4H10O.BF3/c1-3-5-4-2;2-1(3)4/h3-4H2,1-2H3;
Isomeric SMILES
B(F)(F)F.CCOCC
WGK Germany
1
PubChem CID
8000
UN Number
2604
Packing Group
I
Molecular Weight
141.93
Beilstein
3909607
Reaxy-Rn
3909607

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

<<<<<<< HEAD Download SDS → ======= Download SDS → >>>>>>> release248-p3

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic oxygen compounds
ClassOrganooxygen compounds
SubclassEthers
Intermediate Tree Nodes Not available
Direct ParentDialkyl ethers
Alternative Parents Organic metalloid salts  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Organic metalloid salt - Dialkyl ether - Hydrocarbon derivative - Organic salt - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as dialkyl ethers. These are organic compounds containing the dialkyl ether functional group, with the formula ROR', where R and R' are alkyl groups.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates (CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

32 results found

Lot NumberCertificate TypeDateItem
I2604242I2604242Certificate of AnalysisSep 08, 2026 B299094
G2620303G2620303Certificate of AnalysisAug 05, 2026 B299094
G2620300G2620300Certificate of AnalysisAug 05, 2026 B299094
E2608250E2608250Certificate of AnalysisMay 12, 2026 B299094
E2608247E2608247Certificate of AnalysisMay 12, 2026 B299094
A2621255A2621255Certificate of AnalysisJan 29, 2026 B299094
A2621253A2621253Certificate of AnalysisJan 29, 2026 B299094
L2509057L2509057Certificate of AnalysisNov 03, 2025 B299094
J2522360J2522360Certificate of AnalysisNov 03, 2025 B299094
H2506108H2506108Certificate of AnalysisAug 23, 2025 B299094
G2504151G2504151Certificate of AnalysisJul 09, 2025 B299094
G2504207G2504207Certificate of AnalysisJul 09, 2025 B299094
G2504398G2504398Certificate of AnalysisJul 09, 2025 B299094
G2504403G2504403Certificate of AnalysisJul 09, 2025 B299094
C2506286C2506286Certificate of AnalysisMar 17, 2025 B299094
C2506265C2506265Certificate of AnalysisMar 17, 2025 B299094
C2325174C2325174Certificate of AnalysisJan 09, 2025 B299094
J2210180J2210180Certificate of AnalysisJul 08, 2024 B299094
G2203087G2203087Certificate of AnalysisApr 07, 2024 B299094
C2429089C2429089Certificate of AnalysisApr 03, 2024 B299094
C2429088C2429088Certificate of AnalysisApr 03, 2024 B299094
J2309341J2309341Certificate of AnalysisOct 12, 2023 B299094
F2305093F2305093Certificate of AnalysisJun 15, 2023 B299094
E1914068E1914068Certificate of AnalysisJan 20, 2023 B299094
K2223043K2223043Certificate of AnalysisNov 25, 2022 B299094
K2223055K2223055Certificate of AnalysisNov 25, 2022 B299094
J2210178J2210178Certificate of AnalysisOct 19, 2022 B299094
J2210179J2210179Certificate of AnalysisOct 19, 2022 B299094
B2221236B2221236Certificate of AnalysisFeb 22, 2022 B299094
B2221209B2221209Certificate of AnalysisFeb 22, 2022 B299094
B2221208B2221208Certificate of AnalysisFeb 22, 2022 B299094
J2111375J2111375Certificate of AnalysisOct 14, 2021 B299094
Chemical and Physical Properties
SolubilityMiscible with ether and alcohol.
SensitivityAir sensitive,Hygroscopic
Refractive Index1.348
Flash Point(°F)137.3 °F - closed cup
Flash Point(°C)<22℃
Boil Point(°C)125.7°C
Melt Point(°C)-60.4°C
Molecular Weight141.930 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count2
Exact Mass142.078 Da
Monoisotopic Mass142.078 Da
Topological Polar Surface Area9.200 Ų
Heavy Atom Count9
Formal Charge0
Complexity19.100
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
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The Core Value of the Trityl Family of Protecting Groups: Acid-Deprotection Hierarchies and Selective Route Design
TMSE, Teoc, and SEM: Functional Roles and Selection Logic of Three 2-(Trimethylsilyl)ethyl-Derived Protecting Systems
Experimental Selection of SEM-Cl: From O/N-SEM Protection and Directed Functionalization of N-Heterocycles to the Introduction of Protected C1 Fragments
Direct O-Alkylation of Bicyclo[1.1.1]pentan-1-ol: Avoiding Alkoxide-Mediated Skeletal Fragmentation through Electrophile Activation
Construction of 7-Azaindoles Using O-Vinylhydroxylamines: N-Oxide Activation and [3,3]-Sigmatropic Rearrangement
Build the Three-Membered Ring First, or Form the Carbon–Nitrogen Bond First?—Retrosynthetic Strategies, Route Selection, and Stereochemical Control in Cyclopropylamine Synthesis
Construction and Transformation of Aziridines in Drug Synthesis: Ring Strain, N-Substituent Control, Selective Ring Opening, and Scaffold Expansion
3,3-Spiro-α-Proline Building Blocks: Structural Features, Complementary Synthetic Routes, and Multigram-Scale Preparation
Regioselective Deprotonative Metalation of Pyridines: C–H Acidity, Coordination Effects, and Metal Systems
Citations of This Product
Solution Calculators
Reviews

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