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(2,5-Dimethoxy-1,4-phenylene)bis(di-i-propylphosphine oxide), 99+% Redox shuttle ANL-RS5|15-1365|1426397-81-0

(2,5-Dimethoxy-1,4-phenylene)bis(di-i-propylphosphine oxide), 99+% Redox shuttle ANL-RS5

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Product Information

Product Name
(2,5-Dimethoxy-1,4-phenylene)bis(di-i-propylphosphine oxide), 99+% Redox shuttle ANL-RS5
Brand Name
US-Strem
Product Number
15-1365
CAS
1426397-81-0
Certificate of Analysis (COA)​
COA not found

General Information

PubChem CID
71285593
IUPAC Name
1,4-bisdi(propan-2-yl)phosphoryl-2,5-dimethoxybenzene
InChI Key
AQSKCTDSMVLJND-UHFFFAOYSA-N
SMILES
CC(C)P(=O)(C1=CC(=C(C=C1OC)P(=O)(C(C)C)C(C)C)OC)C(C)C

Description

Product Introduction

(2,5-Dimethoxy-1,4-phenylene)bis(di-i-propylphosphine oxide) (ANL-RS5, CAS No. 1426397-81-0) is a redox-active organic phosphine oxide compound developed for advanced lithium-ion battery electrolyte systems.

ANL-RS5 contains a dimethoxy-substituted phenylene core functionalized with two diisopropylphosphine oxide groups, providing reversible redox activity and chemical stability. Due to its electrochemical behavior, ANL-RS5 has been investigated as a redox shuttle additive for lithium-ion batteries, particularly for improving overcharge protection and battery safety performance.

The combination of an aromatic redox-active center and phosphine oxide functional groups enables ANL-RS5 to serve as a functional molecule in electrolyte engineering, energy storage materials, and electrochemical research.

 

Structural Characteristics

Redox-Active Aromatic Core

The substituted phenylene structure provides:

  • Reversible oxidation/reduction capability
  • Electron-transfer activity
  • Aromatic conjugation for electrochemical stability

This redox-active center enables ANL-RS5 to participate in controlled electron-transfer processes during battery operation.

 

Diisopropylphosphine Oxide Groups

The phosphine oxide groups contribute:

  • Enhanced molecular polarity
  • Improved electrolyte compatibility
  • Strong P=O bonding characteristics
  • Potential interaction with lithium-ion environments

 

Methoxy Substituents

The methoxy groups provide:

  • Improved organic solubility
  • Electronic modulation of the aromatic system
  • Tunable redox properties

 

Key Research Applications

1. Lithium-Ion Battery Redox Shuttle Additive

ANL-RS5 is primarily studied as a redox shuttle electrolyte additive for lithium-ion batteries.

Applications include:

  • Overcharge protection
  • Lithium-ion battery safety improvement
  • Electrolyte additive development
  • High-voltage battery research
  • Long-cycle battery stability studies

During overcharge conditions, redox shuttle molecules can undergo reversible oxidation and reduction cycles, helping regulate excessive voltage increase.

 

2. Advanced Electrolyte Materials

ANL-RS5 is used in research on functional electrolyte formulations.

Applications include:

  • Organic electrolyte additives
  • Carbonate electrolyte optimization
  • Electrochemical stability studies
  • Lithium battery performance improvement

 

3. Battery Safety and Protection Systems

ANL-RS5 is investigated for improving lithium battery reliability.

Applications include:

  • Overcharge mitigation
  • Thermal safety improvement studies
  • Large-format lithium-ion battery research
  • Energy storage system safety evaluation

 

4. Redox-Active Organic Materials

The reversible redox behavior of ANL-RS5 makes it useful in organic electrochemical research.

Applications include:

  • Molecular redox chemistry
  • Organic energy storage materials
  • Electron-transfer studies
  • Functional organic materials

 

Advantages

  • Designed for lithium battery redox shuttle applications
  • Provides reversible electrochemical activity
  • Compatible with organic electrolyte systems
  • Supports battery overcharge protection research
  • Enables functional electrolyte design
  • Useful platform for organic redox material studies

 

Storage & Handling

  • Store in a dry, cool environment.
  • Keep container tightly sealed.
  • Protect from moisture and excessive air exposure.
  • Handle under appropriate laboratory conditions.

For battery electrolyte research, dry-room or inert-atmosphere handling is recommended.

 

Research Areas

  • Lithium-ion batteries
  • Battery electrolyte additives
  • Redox shuttle chemistry
  • High-voltage battery systems
  • Organic electrochemical materials
  • Energy storage materials

FAQ

What is ANL-RS5?

ANL-RS5 is a redox-active organic phosphine oxide compound used as a functional electrolyte additive in lithium-ion battery research.

 

What is ANL-RS5 used for?

ANL-RS5 is mainly used for:

  • Lithium-ion battery electrolyte development
  • Redox shuttle studies
  • Overcharge protection research
  • Advanced energy storage systems

 

What is a redox shuttle additive?

A redox shuttle additive is an electrolyte molecule that undergoes reversible oxidation and reduction reactions to help protect lithium batteries from overcharge conditions.

 

Is ANL-RS5 an electrode material?

No. ANL-RS5 is mainly an electrolyte additive, not a cathode or anode active material.

 

What is the difference between ANL-RS5 and ANL-RS6?

Material ANL-RS5 ANL-RS6
CAS 1426397-81-0 1350767-15-5
Core Structure Dimethoxy phenylene phosphine oxide Di-tert-butyl phenylene phosphonate
Application Redox shuttle additive Redox shuttle additive
Research Area Lithium battery electrolyte Lithium battery electrolyte