4-tert-Butylpyridine
4-tert-Butylpyridine (CAS: 3978-81-2, C9H13N) is a heterocyclic organic compound with a molecular weight of 135.21 g/mol. This pyridine derivative is recognised for its role as a building block in chemical synthesis. Its applications span across various research and development fields, including its use in the composition of electrolytes for advanced energy systems such as dye-sensitized solar cells.

Electrolyte Component
4-tert-Butylpyridine has been utilised in the development of electrolytes for dye-sensitized solar cells, contributing to advancements in renewable energy technologies.
Chemical Synthesis Intermediate
As a pyridine derivative, it serves as a valuable building block in organic synthesis, enabling the creation of more complex molecular structures.
Heterocyclic Chemistry Research
Its distinct structure makes it a subject of interest in heterocyclic chemistry, supporting research into novel pyridine-based compounds.
| Molecular weight | 135.21 |
|---|---|
| Empirical formula | C9H13N |
| Assay | 96% |
| Boiling point | 196-197 °C(lit.) |
| Density | 0.923 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.495(lit.) |
| Application | 4-tert-Butylpyridine was used in composition of electrolyte for dye-sensitized solar cell1. |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 67 °C / 152.6 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-tert-Butylpyridine used for?
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4-tert-Butylpyridine is primarily used as a building block in chemical synthesis and has been employed in the composition of electrolytes for dye-sensitized solar cells.
What is the CAS number and formula for 4-tert-Butylpyridine?
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The CAS number for 4-tert-Butylpyridine is 3978-81-2, and its empirical formula is C9H13N.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-tert-Butylpyridine at an assay of 96%. This product is suitable for research and technical applications and is not supplied as USP, BP, or EP grade.
How should 4-tert-Butylpyridine be handled safely?
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4-tert-Butylpyridine is a Warning substance, with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment such as eyeshields, gloves, and suitable respiratory protection (e.g., type ABEK respirator filter) should be used. Handle in a well-ventilated area.
Is 4-tert-Butylpyridine suitable for international export?
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Yes, Tech Serve Solutions specialises in the global supply and export of fine chemicals, including 4-tert-Butylpyridine.
How can I request a quote or sample?
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To request a quote or sample of 4-tert-Butylpyridine, please contact our sales team through the website or your designated account manager.
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