4′-(4-Chlorophenyl)-2, 2′:6′, 2″-terpyridine
4′-(4-Chlorophenyl)-2, 2′:6′, 2″-terpyridine (CAS 89972-75-8) is a terpyridine ligand with the molecular formula C21H14ClN3 and a molecular weight of 343.81 g/mol. This compound serves as a crucial building block in the synthesis of organometallic complexes. Its primary applications are found in materials science, particularly in the development of solar cells and organic electronics, where it contributes to the functional properties of advanced materials.
- Synonyms
- 89972-75-8, C21H14ClN3

Organometallic Complex Synthesis
As a terpyridine ligand, this compound is integral for constructing sophisticated organometallic complexes. These complexes are essential for advanced material applications.
Solar Cell Technology
It acts as a key building block for organometallic complexes utilised in the development and optimisation of photovoltaic devices, contributing to enhanced solar energy conversion.
Organic and Printed Electronics
The compound is employed in the field of organic electronics, serving as a precursor for materials used in electronic devices manufactured via printing techniques.
Materials Science Research
Researchers utilise this terpyridine derivative for creating novel materials with specific electronic and optical properties, advancing the frontiers of materials science.
| Molecular weight | 343.81 |
|---|---|
| Empirical formula | C21H14ClN3 |
| Assay | 97% |
| Application | Terpyridine ligands (building block) for making organometallic complexes used in solar cells.1 |
| Melting point | 168-172 °C |

Hazard statements
- H301Toxic if swallowed
- H319Causes serious eye irritation
- H413May cause long-lasting harmful effects to aquatic life
Precautionary statements
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25 |
| Safety statements (S) | 45 |
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 4′-(4-Chlorophenyl)-2, 2′:6′, 2″-terpyridine used for?
+
4′-(4-Chlorophenyl)-2, 2′:6′, 2″-terpyridine (CAS 89972-75-8) is used as a terpyridine ligand, primarily as a building block for synthesising organometallic complexes. These complexes find applications in areas such as solar cells and organic electronics.
What is the CAS number and molecular formula for 4′-(4-Chlorophenyl)-2, 2′:6′, 2″-terpyridine?
+
The CAS number for 4′-(4-Chlorophenyl)-2, 2′:6′, 2″-terpyridine is 89972-75-8. Its molecular formula is C21H14ClN3.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 4′-(4-Chlorophenyl)-2, 2′:6′, 2″-terpyridine with an assay of 97%. This product is typically supplied as a research or technical grade chemical, and TSS does not represent it as meeting USP, BP, or EP pharmacopoeia standards.
How should 4′-(4-Chlorophenyl)-2, 2′:6′, 2″-terpyridine be handled safely?
+
This compound is classified as toxic if swallowed and causes serious eye irritation, with long-term hazardous effects to aquatic life (H301-H319-H413). Appropriate personal protective equipment, including eyeshields, faceshields, gloves, and a P2 respirator, is essential. Handle in a well-ventilated area and follow emergency procedures in case of exposure.
How is 4′-(4-Chlorophenyl)-2, 2′:6′, 2″-terpyridine packed and shipped?
+
4′-(4-Chlorophenyl)-2, 2′:6′, 2″-terpyridine is classified for transport as UN 2811, Toxic Solid, Organic, n.o.s. (contains 4'-(4-Chlorophenyl)-2,2':6',2''-terpyridine), Class 6.1, Packing Group III. We ensure compliant packaging and adhere to all international shipping regulations for its export.
How can I request a sample or quote for 4′-(4-Chlorophenyl)-2, 2′:6′, 2″-terpyridine?
+
To request a sample or a quotation for 4′-(4-Chlorophenyl)-2, 2′:6′, 2″-terpyridine, please contact our sales team through the website or via email, providing your specific requirements and delivery details.
▶ 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