3-Octylthiophene
3-Octylthiophene (CAS: 65016-62-8), with the molecular formula C12H20S and a molecular weight of 196.35 g/mol, is a valuable heterocyclic building block. This thiophene derivative is primarily utilised in chemical synthesis, particularly in the development of organic electronic materials and specialised polymers. Its specific structural features make it a useful intermediate for creating compounds with tailored electronic and optical properties.

Organic Synthesis Intermediate
3-Octylthiophene serves as a key building block in organic synthesis. Its thiophene ring and alkyl chain allow for functionalisation and incorporation into more complex molecular architectures.
Polymer Science
This compound is employed in the synthesis of conjugated polymers. The octyl side chain can enhance solubility and processability of resulting polymers for applications in organic electronics.
Materials Science
It is used in research and development for novel organic materials with specific electronic or optical characteristics, contributing to advancements in areas like organic photovoltaics and transistors.
| Molecular weight | 196.35 |
|---|---|
| Empirical formula | C12H20S |
| Assay | 97% |
| Boiling point | 106-107 °C/3 mmHg(lit.) |
| Density | 0.92 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.492(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| 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 3-Octylthiophene primarily used for?
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3-Octylthiophene is primarily used as a building block in chemical synthesis, particularly for creating organic electronic materials and specialised polymers.
What are the CAS number and molecular formula for 3-Octylthiophene?
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The CAS number for 3-Octylthiophene is 65016-62-8, and its molecular formula is C12H20S.
What grade and purity does Tech Serve Solutions supply for 3-Octylthiophene?
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Tech Serve Solutions supplies 3-Octylthiophene with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 3-Octylthiophene be handled safely?
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3-Octylthiophene is classified with warning signals and hazard statements including H302, H312, H315, H319, H332, and H335. Appropriate personal protective equipment, such as a dust mask type N95, eyeshields, and gloves, should be used. Handle in a well-ventilated area.
Is 3-Octylthiophene available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 3-Octylthiophene.
How can I request a quote or sample of 3-Octylthiophene?
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Please contact our sales team via the website to request a quote or a sample of 3-Octylthiophene.
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