Poly(2,5-di(2′-ethylhexyl)-1,4-ethynylene)
Poly(2,5-di(2′-ethylhexyl)-1,4-ethynylene) (CAS: 211809-68-6) is a conjugated polymer belonging to the poly(phenylene ethynylene) (PPE) family. This material is recognised for its light-emitting properties, making it a key component in advanced materials science. It exhibits good solubility in chlorinated solvents and toluene, facilitating its processing in various applications, particularly within the field of organic electronics.
- Synonyms
- 211809-68-6

Organic Light-Emitting Diodes (OLEDs)
This polymer is utilized as an active material in the emissive layer of OLED devices. Its electroluminescent properties contribute to light emission when an electrical current is applied, forming the basis of display and lighting technologies.
Polymer Light-Emitting Diodes (PLEDs)
As a light-emitting polymer (LEP), it finds application in PLEDs, offering potential advantages in solution processability and mechanical flexibility for flexible electronic displays and lighting.
Organic and Printed Electronics
The material's characteristics are suitable for research and development in organic electronics, including applications that benefit from semiconducting polymers processed via printing techniques.
Materials Science Research
It serves as a valuable research material for investigating structure-property relationships in conjugated polymers, optical phenomena, and the development of novel electronic devices.
| Solubility | chlorinated solvents: solubletoluene: soluble |
|---|
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Poly(2,5-di(2′-ethylhexyl)-1,4-ethynylene) used for?
+
Poly(2,5-di(2′-ethylhexyl)-1,4-ethynylene) is primarily used in applications such as Organic Light-Emitting Diodes (OLEDs), Polymer Light-Emitting Diodes (PLEDs), and broader organic and printed electronics research due to its light-emitting and semiconducting properties.
What is the CAS number and formula for Poly(2,5-di(2′-ethylhexyl)-1,4-ethynylene)?
+
The CAS number for Poly(2,5-di(2′-ethylhexyl)-1,4-ethynylene) is 211809-68-6. The specific molecular formula is not provided in the data.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this chemical for research and development purposes. The specific assay or purity is not detailed in the provided data. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Poly(2,5-di(2′-ethylhexyl)-1,4-ethynylene) be handled?
+
Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended for respiratory protection. The substance is classified with a WGK Germany rating of 3, indicating it is hazardous to water.
How is this chemical packed, shipped, and exported?
+
Tech Serve Solutions specialises in global supply and export of fine chemicals. Specific packing and shipping details are confirmed upon order, adhering to international regulations for chemical transport.
How can I request a sample or quote for this chemical?
+
To request a sample or a quote, please contact the Tech Serve Solutions sales team through the website or by direct enquiry, providing the product name and CAS number (211809-68-6).
▶ Related products

Poly(3-hexylthiophene-2,5-diyl)
Organic & Printed Electronics
![[6,6]-Phenyl C71 butyric acid methyl ester, mixture of isomers — chemical structure, CAS 609771-63-3; Organic & Printed Electronics, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F609771-63-3.png&w=3840&q=75)
[6,6]-Phenyl C71 butyric acid methyl ester, mixture of isomers
Organic & Printed Electronics

6,13-Bis(triisopropylsilylethynyl)pentacene
Organic & Printed Electronics
![[6,6]-Phenyl C61 butyric acid methyl ester — chemical structure, CAS 160848-22-6; Organic & Printed Electronics, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F160848-22-6.png&w=3840&q=75)
[6,6]-Phenyl C61 butyric acid methyl ester
Organic & Printed Electronics

Fullerene-C60
C60
Organic & Printed Electronics
Cholesteryl hemisuccinate
C31H50O4
Organic & Printed Electronics
3,4-Ethylenedioxythiophene
Organic & Printed Electronics

Di-tetrabutylammonium cis-bis(isothiocyanato)bis(2,2′-bipyridyl-4,4′-dicarboxylato)ruthenium(II)
Organic & Printed Electronics
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis