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Atomfair Ethylboronic acid C2H7BO2 CAS 4433-63-0

Ethylboronic acid (CAS 4433-63-0) is a highly versatile organoboron compound with the molecular formula C2H7BO2. This white to off-white crystalline solid is widely utilized in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions, due to its stability and reactivity as a boronic acid derivative. With a purity of ≥95%, our Ethylboronic acid is rigorously tested for quality assurance, ensuring optimal performance in research and industrial applications. It is soluble in common organic solvents such as ethanol, methanol, and DMSO, making it convenient for laboratory use. Proper storage under inert conditions (e.g., nitrogen or argon) at 2-8°C is recommended to maintain its…

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Description

Ethylboronic acid (CAS 4433-63-0) is a highly versatile organoboron compound with the molecular formula C2H7BO2. This white to off-white crystalline solid is widely utilized in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions, due to its stability and reactivity as a boronic acid derivative. With a purity of ≥95%, our Ethylboronic acid is rigorously tested for quality assurance, ensuring optimal performance in research and industrial applications. It is soluble in common organic solvents such as ethanol, methanol, and DMSO, making it convenient for laboratory use. Proper storage under inert conditions (e.g., nitrogen or argon) at 2-8°C is recommended to maintain its stability and shelf life.

Properties

  • CAS Number: 4433-63-0
  • Complexity: 21.6
  • IUPAC Name: ethylboronic acid
  • InChI: InChI=1S/C2H7BO2/c1-2-3(4)5/h4-5H,2H2,1H3
  • InChI Key: PAVZHTXVORCEHP-UHFFFAOYSA-N
  • Exact Mass: 74.0539096
  • Molecular Formula: C2H7BO2
  • Molecular Weight: 73.89
  • SMILES: B(CC)(O)O
  • Topological: 40.5
  • Monoisotopic Mass: 74.0539096
  • Synonyms: Ethylboronic acid, 4433-63-0, DTXSID20871077, DTXCID70818750, 670-253-5, Boronic acid, ethyl-, Ethaneboronic Acid, ethyl boronic acid, Ethyldihydroxyborane, MFCD01074536, Ethylboronicacid, 1-Ethaneboronic Acid; Ethaneboronic Acid;, C2H7BO2, Ethylboronic acid #, EtB(OH)2, Ethylboronic acid, AldrichCPR, SCHEMBL126359, SCHEMBL4439098, CHEMBL3218995, BDBM152687, BCP21912, 1-Ethylboronic acid (C2-B(OH)2), BBL101390, STL555186, AKOS005146513, AB08033, CS-W000933, FE03789, GS-6572, HY-W000933, PD194769, SY004385, DB-009740, E0913, EN300-159833, Q27454034, Ethylboronic acid (contains varying amounts of Anhydride), 3QD

Application

Ethylboronic acid is a key reagent in Suzuki-Miyaura cross-coupling reactions, enabling the formation of carbon-carbon bonds in pharmaceutical and materials science research. It serves as a building block in the synthesis of complex organic molecules, including bioactive compounds and polymers. Additionally, it finds use in the preparation of boron-containing heterocycles and as a catalyst or intermediate in various organic transformations.

Safety and Hazards

GHS Hazard Statements

  • H228 (15.4%): Flammable solid [Danger Flammable solids]
  • H315 (92.3%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (92.3%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335 (84.6%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P210, P240, P241, P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P405, and P501

Hazard Classes and Categories

  • Flam. Sol. 2 (15.4%)
  • Skin Irrit. 2 (92.3%)
  • Eye Irrit. 2 (92.3%)
  • STOT SE 3 (84.6%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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