2,3-Dibromothiophene

Product Name:2
3-Dibromothiophene
CAS:3140-93-0
MFC4H2Br2S
MW:241.93
EINECS:221-542-6
MOL File:3140-93-0.mol

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2,3-Dibromothiophene User Guide

Table of Contents

1. Product Specifications & Comparative Analysis

Parameter 2,3-Dibromothiophene 2,5-Dibromothiophene 3-Bromothiophene
CAS Number 31412-50-1 31412-51-2 872-31-1
Molecular Formula C4H2Br2S C4H2Br2S C4H3BrS
Purity ≥98% ≥97% ≥99%
Melting Point 89-92°C 78-81°C -15°C

2. Key Applications & Industrial Uses

Core Functional Properties:

  • Electrophilic aromatic substitution precursor
  • Cross-coupling reaction facilitator (Suzuki, Stille)
  • Conjugated polymer building block

Industrial Applications:

  • Pharmaceutical Intermediates: Synthesis of tyrosine kinase inhibitors
  • OLED Materials: Electron-transport layer components
  • Agrochemicals: Thiophene-based pesticide development
  • Organic Semiconductors: π-conjugated system construction

3. Operational Guidelines & Best Practices

Handling Protocols:

  • Maintain inert atmosphere (N2/Ar) during reactions
  • Use anhydrous solvents (THF, DCM) for optimal reactivity
  • Recommended stoichiometry: 1.1-1.3 eq in coupling reactions

Safety Measures:

  • PPE Requirements: Nitrile gloves, chemical goggles
  • Storage: 2-8°C in amber glass containers
  • Shelf Life: 24 months under proper conditions

4. Application Case Studies

Case 1: OLED Material Synthesis

Objective: Develop blue-emitting layer for flexible displays
Process: Suzuki-Miyaura coupling with 2,3-dibromothiophene (82% yield)
Outcome: Achieved 18% external quantum efficiency

Case 2: Anticancer Drug Intermediate

Objective: Create EGFR inhibitor core structure
Process: Buchwald-Hartwig amination (0.5 mol% catalyst loading)
Outcome: 92% purity in final API intermediate

5. Verified Client Implementations

Client A: Global Pharma Leader

Application: Kinase inhibitor R&D
Volume: 150kg annual procurement
Result: Reduced synthesis steps from 7 to 4 stages

Client B: OLED Manufacturer

Application: Flexible display production
Specification: ≥99.5% HPLC purity
Impact: 22% reduction in production costs

6. Request Customized Quotation

Contact our technical specialists for:
– Bulk pricing (100g to ton-scale)
– Custom purity specifications (98%-99.9%)
– Technical documentation (COA, MSDS)
Email: info@vivalr.com
Tel: (86) 15866781826

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