2-Octenoic acid
2-Octenoic acid (CAS 1871-67-6) is a C8 carboxylic acid with the linear formula CH3(CH2)4CH=CHCO2H and a molecular weight of 142.20 g/mol. This compound, predominantly in its trans configuration, serves as a versatile building block in organic synthesis. It is utilized in the development of various chemical intermediates and research compounds. TSS supplies this chemical for laboratory and industrial applications.

Organic Synthesis Intermediate
2-Octenoic acid is a valuable carboxylic acid utilized as a building block in the synthesis of more complex organic molecules. Its unsaturated nature offers reactive sites for further chemical transformations.
Chemical Research
This compound finds application in academic and industrial research laboratories for exploring new synthetic pathways and developing novel chemical entities. Its defined structure makes it useful for structure-activity relationship studies.
Intermediate for Specialty Chemicals
The compound can be employed in the production of various specialty chemicals, leveraging its specific functional groups and chain length for tailored applications.
| Molecular weight | 142.20 |
|---|---|
| Linear formula | CH3(CH2)4CH=CHCO2H |
| Assay | 85% |
| Grade | technical grade |
| Boiling point | 154 °C/22 mmHg(lit.) |
| Density | 0.944 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4588(lit.) |
| Melting point | 5-6 °C(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-27-28-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Description | predominantly trans |
|---|
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 2-Octenoic acid primarily used for?
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2-Octenoic acid is primarily used as a building block in organic synthesis and for general chemical research purposes.
What is the CAS number and formula for 2-Octenoic acid?
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The CAS number for 2-Octenoic acid is 1871-67-6 and its linear formula is CH3(CH2)4CH=CHCO2H.
What grade and purity does Tech Serve Solutions supply for 2-Octenoic acid?
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Tech Serve Solutions supplies 2-Octenoic acid in technical grade with an assay of 85%. We do not represent this product as USP, BP, or EP grade.
How should 2-Octenoic acid be handled safely?
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2-Octenoic acid is classified as Danger, causing severe skin burns and eye damage (H314). Handle with extreme care using appropriate personal protective equipment, including gloves, goggles, face shields, and a suitable respirator. Refer to the Safety Data Sheet for detailed handling procedures.
How is 2-Octenoic acid packed, shipped, and exported?
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2-Octenoic acid is packed in compliance with international shipping regulations. TSS exports this chemical globally, adhering to all relevant transportation and customs requirements.
How can I request a sample or quote for 2-Octenoic acid?
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To request a sample or quote for 2-Octenoic acid, please contact the Tech Serve Solutions sales team via our website or by phone, providing your specific requirements.
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