1,4-Bis(2-ethylhexyl)-2,5-di-1-propynylbenzene

CAS 211809-67-5C28H42Organic & Printed Electronics

1,4-Bis(2-ethylhexyl)-2,5-di-1-propynylbenzene (CAS: 211809-67-5) is an organic compound with the molecular formula C28H42 and a molecular weight of 378.63 g/mol. This chemical is primarily recognised for its role in materials science, particularly within the field of organic and printed electronics. It serves as a key monomer in the synthesis of conjugated polymers, notably specific types of polyphenylenevinylenes (PPVs), contributing to the development of advanced electronic materials.

Synonyms: 211809-67-5

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1,4-Bis(2-ethylhexyl)-2,5-di-1-propynylbenzene (C28H42) — chemical structure, CAS 211809-67-5; Materials Science, fine chemical supplied by Tech Serve Solutions

Materials SciencePolyphenylenevinylene (PPVCN-PPV) MonomersSynthetic Tools and Reagents

01 /Applications

Monomer for Conjugated Polymers

This compound functions as a crucial building block for synthesising conjugated polymers such as polyphenylenevinylenes (PPVs). These polymers are essential in the development of organic electronic devices.

Organic and Printed Electronics

Its unique structure lends itself to applications in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and organic field-effect transistors (OFETs). It contributes to the photophysical and electronic properties of these devices.

Materials Science Research

Utilised in academic and industrial research settings for exploring novel materials with tailored electronic and optical characteristics. It aids in the fundamental understanding and advancement of polymer chemistry.

02 /Properties

Molecular weight	378.63
Empirical formula	C28H42
Assay	98%
Storage temperature	2-8°C
Melting point	66-67 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H319Causes serious eye irritation

Precautionary statements

P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xi
Risk statements (R)	36
Safety statements (S)	26-36

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

211809-67-5

MDL number

MFCD06411322

05 /Quality & supply

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.

06 /Frequently asked questions

What is 1,4-Bis(2-ethylhexyl)-2,5-di-1-propynylbenzene used for?

1,4-Bis(2-ethylhexyl)-2,5-di-1-propynylbenzene is used as a monomer in the synthesis of conjugated polymers, particularly polyphenylenevinylenes (PPVs), for applications in organic and printed electronics and materials science research.

What is the CAS number and molecular formula for this compound?

The CAS number is 211809-67-5, and its molecular formula is C28H42.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this compound with an assay of 98%. It is typically considered a research or technical grade material, and TSS does not represent it as USP, BP, or EP grade.

What are the safety and handling precautions for 1,4-Bis(2-ethylhexyl)-2,5-di-1-propynylbenzene?

This compound is classified with a GHS07 symbol and a 'Warning' signal word. It carries the hazard statement H319 (Causes serious eye irritation). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle with appropriate ventilation.

How is 1,4-Bis(2-ethylhexyl)-2,5-di-1-propynylbenzene packed, shipped, and exported?

Products are carefully packed according to industry standards to ensure safe transit. We are experienced global exporters of fine chemicals and laboratory reagents.

How can I request a sample or obtain a quote?

To request a sample or obtain a quote for 1,4-Bis(2-ethylhexyl)-2,5-di-1-propynylbenzene, please contact our sales team directly through our website or by phone.