1-Bromo-4-Chlorobutane CAS 6940-78-9

Chemical Name: 1-Bromo-4-chlorobutane
CAS No.: 6940-78-9
Molecular Fomula: C4H8BrCl
Molecular weight: 171.46
Appearance: Colorless to pale yellow liquid
Assay: 99%min

  ... 正在查看此商品

  分享
Guaranteed Safe Checkout

1-Bromo-4-Chlorobutane (CAS 6940-78-9): Technical Guide & Applications

Table of Contents

1. Product Specifications & Comparative Analysis

Parameter Value Grade Comparison
CAS Number 6940-78-9 Pharma/Industrial/Research
Molecular Formula C4H8BrCl Consistent across grades
Molecular Weight 171.46 g/mol ±0.5% tolerance
Boiling Point 80-82°C (30 mmHg)
164.3±8.0°C (760 mmHg)
Pressure-dependent variants
Density 1.488 g/cm³ Technical: 1.485-1.491
Refractive Index 1.4865-1.4885 HPLC Grade: ±0.0005
Flash Point 60°C (closed cup) Class 3 Flammable Liquid
HS Code 29034980 Global compliance

2. Industrial Applications & Functional Mechanisms

2.1 Pharmaceutical Intermediate

Critical precursor in synthesis of:

  • Atypical antipsychotics: Brexpiprazole, Aripiprazole API production
  • Neuroleptic agents: Facilitates alkylation in dopamine D2 receptor modulators

2.2 Specialty Chemistry

  • Cross-coupling reactions: Buchwald-Hartwig aminations
  • Phase-transfer catalysis: Quaternary ammonium compound synthesis

2.3 Fragrance Engineering

  • Macrocyclic musk derivatives: Alkyl chain elongation agent
  • Terpene modifications: Halogenation control point

3. Operational Guidelines & Safety Protocols

Parameter Specification
Storage 2-8°C in amber glass under nitrogen
Handling Class IIB ventilation, conductive equipment
Incompatibilities Strong oxidizers, alkali metals
Shelf Life 24 months unopened

4. Case Studies in Pharmaceutical Synthesis

4.1 Brexpiprazole Manufacturing

Process optimization achieving 92% yield:

  • Step 1: Nucleophilic substitution with piperazine derivative
  • Step 2: Purification via fractional distillation (purity >99.5%)

4.2 Continuous Flow Chemistry

Microreactor system implementation:

  • 30% reduction in reaction time
  • Waste generation lowered by 45%

5. Client Success Stories

5.1 Top 10 Pharma Company (EU)

  • Application: Aripiprazole scale-up
  • Results: 15% batch consistency improvement
  • Annual consumption: 8 MT

5.2 Fragrance Leader (USA)

  • Application: Musk intermediate synthesis
  • Outcome: 99.8% halogenation selectivity
  • Ongoing partnership since 2022

6. Request Customized Solutions

Optimize your synthesis with our technical expertise:

  • Email: info@vivalr.com
  • Tel: (86) 15866781826
  • Services: Custom purification, stable isotope labeling
0.00
0 条评论
5
0
4
0
3
0
2
0
1
0
成为第一个评论 “1-Bromo-4-Chlorobutane CAS 6940-78-9”

您的邮箱地址不会被公开。 必填项已用 * 标注

这是必填栏。

这是必填栏。

这是必填栏。

评论

目前还没有评论。

类别 
我的购物车
愿望清单
最近浏览
类别
Wait! before you leave…
Get 30% off for your first order
CODE30OFFCopy to clipboard
Use above code to get 30% off for your first order when checkout
比较产品 (0 产品)