4-Octylbenzoic acid
4-Octylbenzoic acid (CAS: 3575-31-3, Formula: C15H24O2, Molar Mass: 234.33 g/mol) is a specialised organic compound featuring a carboxylic acid group and an eight-carbon alkyl chain attached to a benzene ring. This structure imparts amphipathic properties, making it valuable in diverse chemical synthesis applications. It is commonly employed as a building block in the preparation of more complex organic molecules and materials.

Organic Synthesis Intermediate
4-Octylbenzoic acid serves as a versatile building block in organic chemistry. Its carboxylic acid functionality allows for esterification, amidation, and other derivatisations, while the octyl chain influences solubility and material properties.
Material Science
The compound's structure, with both a polar head group and a nonpolar tail, makes it suitable for use in developing liquid crystals or other advanced materials where specific molecular organisation is required.
Research and Development
It is utilised in academic and industrial research laboratories for exploring novel chemical pathways and developing new compounds with tailored properties for various potential applications.
| Molecular weight | 234.33 |
|---|---|
| Linear formula | CH3(CH2)7C6H4CO2H |
| Assay | ≥99.0% (T) |
| Grade | liquid crystal |
| Melting point | 97-98 °C(lit.)97-98 °C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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-Octylbenzoic acid primarily used for?
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4-Octylbenzoic acid is primarily used as a building block in organic synthesis and in material science applications, particularly for developing liquid crystals.
What are the CAS number and chemical formula for 4-Octylbenzoic acid?
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The CAS number for 4-Octylbenzoic acid is 3575-31-3, and its chemical formula is CH3(CH2)7C6H4CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Octylbenzoic acid with an assay of ≥99.0% (T) and a liquid crystal grade. We do not represent this product as USP, BP, or EP grade.
How should 4-Octylbenzoic acid be handled safely?
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When handling 4-Octylbenzoic acid, it is essential to wear safety goggles and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The compound is classified with a WGK of 3 in Germany, indicating a high hazard to water.
Is 4-Octylbenzoic acid a controlled substance?
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The provided data does not indicate that 4-Octylbenzoic acid is a controlled substance.
How is 4-Octylbenzoic acid packed, shipped, and exported?
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4-Octylbenzoic acid is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for 4-Octylbenzoic acid?
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To request a sample or a quote for 4-Octylbenzoic acid, please contact our sales team through the website or by phone.
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