4-(Decyloxy)benzoic acid

CAS 5519-23-3CH3(CH2)9OC6H4CO2HOrganic & Printed Electronics

4-(Decyloxy)benzoic acid (CAS: 5519-23-3), a chemical compound with the formula CH3(CH2)9OC6H4CO2H and a molecular weight of 278.39 g/mol, is a key intermediate in materials science. It exhibits distinct liquid crystalline properties, transitioning between smectic, nematic, and isotropic phases at specific temperatures. This characteristic makes it valuable in the development of advanced materials for electronic and optical applications.

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4-(Decyloxy)benzoic acid (CH3(CH2)9OC6H4CO2H) — chemical structure, CAS 5519-23-3; Materials Science, fine chemical supplied by Tech Serve Solutions

Liquid CrystalsMaterials ScienceSmectic

01 /Applications

Liquid Crystal Displays (LCDs)

The distinct phase transition temperatures of 4-(Decyloxy)benzoic acid make it a component in the formulation of liquid crystal mixtures used in display technologies, contributing to their thermal stability and operational characteristics.

Organic Electronics

As a material with mesogenic properties, this compound can be explored for use in organic electronic devices, such as organic light-emitting diodes (OLEDs) and organic field-effect transistors (OFETs), where ordered molecular structures are beneficial.

Materials Science Research

It serves as a valuable building block or dopant in the research and development of novel materials with specific thermal and optical properties, particularly in the study of smectic and nematic phases.

02 /Properties

Molecular weight	278.39
Linear formula	CH3(CH2)9OC6H4CO2H
Assay	98%
Melting point	94-143 °C(lit.)

03 /Safety & handling

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.

04 /Identifiers & registry

CAS number

5519-23-3

MDL number

MFCD00020360

PubChem substance

24862363

05 /Additional specifications

Transition Temp	nematic phase to isotropic phase 117-143 °Csmectic phase to nematic phase 94-117 °C

06 /Quality & supply

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.

07 /Frequently asked questions

What is 4-(Decyloxy)benzoic acid used for?

4-(Decyloxy)benzoic acid is primarily used in materials science, particularly for its liquid crystalline properties in applications like display technologies and organic electronics, and as a compound for research into smectic and nematic phases.

What is the CAS number and chemical formula for 4-(Decyloxy)benzoic acid?

The CAS number is 5519-23-3 and the linear formula is CH3(CH2)9OC6H4CO2H.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 4-(Decyloxy)benzoic acid with an assay of 98%. We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards.

How should 4-(Decyloxy)benzoic acid be handled safely?

Handling requires appropriate personal protective equipment, including eyeshields and gloves. A respirator with a filter suitable for particulates (e.g., type N95 or P1) is recommended. Users should consult the Safety Data Sheet for full handling and hazard information. The WGK Germany classification is 3.