| CAS NO.1898239-37-6 1-Hexanol, 6-[[4′-(trans-4-pentylcyclohexyl)[1,1′-biphenyl]-4-yl]oxy]-, 1-(4-methylbenzenesulfonate) | |
| Product Name | 1-Hexanol, 6-[[4′-(trans-4-pentylcyclohexyl)[1,1′-biphenyl]-4-yl]oxy]-, 1-(4-methylbenzenesulfonate) |
| Synonyms | 1-Hexanol, 6-[[4′-(trans-4-pentylcyclohexyl)[1,1′-biphenyl]-4-yl]oxy]-, 1-(4-methylbenzenesulfonate) |
| CAS NO. | 1898239-37-6 |
| Appearance | White to off-white solid |
| Purity | 95% min |
| MF | C36H48O4S |
| MW | 576.83 |
| Storage | Preserve in a well-closed container and keep in cool, dry place, avoid light. |
| Application | Custom RM Monomer Precursors
High Birefringence Liquid Crystal Material Platform Liquid Crystal (LC) Network Building Intermediate Functional Derivatization Platform (R&D Use) |
| Contact | Contact person: Ellen Zhao
Email: ellen.zhao@dakenam.com |
Frequently Asked Questions
- What is CAS 1898239-37-6 and what type of material is it?
This compound is a liquid-crystal-based reactive mesogenic intermediate featuring a rigid biphenyl–cyclohexyl mesogenic core, a flexible hexyl spacer, and a terminal tosylate (–OTs) functional group.
Unlike standard reactive mesogens, it is not a final UV-curable monomer but a versatile precursor for further functionalization, enabling customized design of liquid crystal materials.
- How is this compound different from conventional RM materials such as RM257 or RM82?
Compared with traditional reactive mesogens:
RM257 / RM82 are ready-to-use UV-curable acrylate monomers
CAS 1898239-37-6 is a modular intermediate
Key differences:
- Contains tosylate (–OTs) instead of acrylate groups
- Requires post-functionalization before polymerization
- Offers higher flexibility in molecular design
- Enables tailor-made RM structures rather than fixed commercial monomers
In short, it is a “building block for next-generation RM materials”, not a final photopolymerizable product.
- What advantages does its structure provide?
The molecule combines:
- Biphenyl rigidity (high ordering ability)
- Cyclohexyl flexibility (improved phase stability)
- C6 flexible spacer (liquid crystalline window control)
- Reactive tosylate group (chemical transformability)
This balance results in:
- Good liquid crystal phase formation
- Tunable thermal behavior
- High potential for structural modification
- Is this compound suitable for liquid crystal display or optical film applications?
Yes, but indirectly.
It is typically used as a precursor or intermediate in:
- High birefringence liquid crystal systems
- Phase retardation film formulations
- Photo-alignment or UV-curable LC networks (after derivatization)
It is not used directly in devices but plays a key role in material synthesis pathways.
Application Cases
Application Case 1: Custom High-Birefringence RM Development for Optical Films
In advanced optical compensation films (AR/VR displays, LCD phase retarders), high birefringence reactive mesogens are required.
CAS 1898239-37-6 can be used as a synthetic platform to introduce:
- Acrylate or methacrylate terminal groups
- Strongly ordered biphenyl-based LC cores
Acts as a core intermediate for designing next-generation high-Δn RM systems
Application Case 2: R&D Platform for Functional Liquid Crystal Materials
CAS 1898239-37-6 is particularly useful in research environments for exploring:
- New mesogenic architectures
- Mixed rigid–flexible LC systems
- Functional LC derivatives (ionic, chiral, or photoresponsive)
Researchers can use it as a modular intermediate to rapidly generate new LC monomer libraries.
The information presented on this page is based on publicly available sources and our current technical understanding of the compound. It is provided for informational purposes only and does not constitute a guarantee or warranty regarding product performance, specifications, or suitability for any particular application. We make reasonable efforts to ensure the accuracy of the information; however, we do not warrant that it is complete, accurate, or up to date. If you identify any inaccuracies or have additional technical information to share, please contact us. We appreciate your feedback and will review the content for possible updates.
