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Atomfair 2,3-Dibromothiophene C4H2Br2S CAS 3140-93-0

2,3-Dibromothiophene (CAS No. 3140-93-0) is a high-purity brominated thiophene derivative with the molecular formula C4H2Br2S . This organosulfur compound is a versatile building block in synthetic organic chemistry, particularly in the development of pharmaceuticals, agrochemicals, and functional materials. Its dibrominated structure enables selective cross-coupling reactions, such as Suzuki or Stille couplings, making it invaluable for constructing complex heterocyclic frameworks. The product is supplied as a clear to pale yellow liquid with a characteristic aromatic odor, rigorously tested for purity (typically ≥95% by GC) and stored under inert conditions to ensure stability. Ideal for researchers in medicinal chemistry, materials science, and…

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Description

2,3-Dibromothiophene (CAS No. 3140-93-0) is a high-purity brominated thiophene derivative with the molecular formula C4H2Br2S. This organosulfur compound is a versatile building block in synthetic organic chemistry, particularly in the development of pharmaceuticals, agrochemicals, and functional materials. Its dibrominated structure enables selective cross-coupling reactions, such as Suzuki or Stille couplings, making it invaluable for constructing complex heterocyclic frameworks. The product is supplied as a clear to pale yellow liquid with a characteristic aromatic odor, rigorously tested for purity (typically ≥95% by GC) and stored under inert conditions to ensure stability. Ideal for researchers in medicinal chemistry, materials science, and catalysis, 2,3-Dibromothiophene is packaged in amber glass vials with tamper-evident seals to guarantee integrity.

Properties

  • CAS Number: 3140-93-0
  • Complexity: 66.7
  • IUPAC Name: 2,3-dibromothiophene
  • InChI: InChI=1S/C4H2Br2S/c5-3-1-2-7-4(3)6/h1-2H
  • InChI Key: ATRJNSFQBYKFSM-UHFFFAOYSA-N
  • Exact Mass: 241.82235
  • Molecular Formula: C4H2Br2S
  • Molecular Weight: 241.93
  • SMILES: C1=CSC(=C1Br)Br
  • Topological: 28.2
  • Monoisotopic Mass: 239.82440
  • Synonyms: 2,3-Dibromothiophene, 3140-93-0, Thiophene, 2,3-dibromo-, EINECS 221-542-6, NSC 99003, ATRJNSFQBYKFSM-UHFFFAOYSA-, DTXSID80185324, DTXCID90107815, Thiophene, 2,3-dibromo-(8CI), Thiophene, 2,3-dibromo-(8CI)(9CI), 221-542-6, atrjnsfqbykfsm-uhfffaoysa-n, inchi=1/c4h2br2s/c5-3-1-2-7-4(3)6/h1-2h, 2,3-dibromo-thiophene, dibromothiophene, MFCD00005418, NSC-99003, NSC99003, Thiophene,3-dibromo-, WG6P33K5RT, 2,3-Dibromothiophene, 97%, BIDD:GT0084, SCHEMBL134132, SCHEMBL289674, SCHEMBL6971286, BCP01021, STR00399, BBL103786, GEO-00974, SBB059557, STL557596, AKOS000280131, AC-4920, CS-W019996, FD14054, PS-4318, DB-027538, D1548, NS00029081, ST50319390, EN300-86459, A15987, F8889-7018

Application

2,3-Dibromothiophene serves as a key intermediate in the synthesis of thiophene-based conjugated polymers for organic electronics, including OLEDs and photovoltaic devices. It is also employed in pharmaceutical research for the preparation of bioactive molecules targeting inflammation and CNS disorders. Additionally, its reactivity in metal-catalyzed coupling reactions facilitates the construction of complex heteroaromatic systems in agrochemical development.

Safety and Hazards

GHS Hazard Statements

  • H226 (91.7%): Flammable liquid and vapor [Warning Flammable liquids]
  • H301 (85.4%): Toxic if swallowed [Danger Acute toxicity, oral]
  • H315 (16.7%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (97.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Precautionary Statements

  • P210, P233, P240, P241, P242, P243, P264, P264+P265, P270, P280, P301+P316, P302+P352, P303+P361+P353, P305+P351+P338, P321, P330, P332+P317, P337+P317, P362+P364, P370+P378, P403+P235, P405, and P501

Hazard Classes and Categories

  • Flam. Liq. 3 (91.7%)
  • Acute Tox. 3 (85.4%)
  • Skin Irrit. 2 (16.7%)
  • Eye Irrit. 2A (97.9%)

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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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