4-Pentylphenyl 4-methoxybenzoate
4-Pentylphenyl 4-methoxybenzoate (CAS 38444-13-2), with the molecular formula C19H22O3 and a molecular weight of 298.38 g/mol, is a key organic compound utilised in materials science. It functions as a liquid crystal mesogen, contributing to the development of advanced materials, particularly within the field of organic and printed electronics. Its specific molecular structure enables unique optical and electronic properties.
- IUPAC
- 4-n-Pentylphenyl p-anisate,4-Amylphenyl 4′-methoyxbenzoate,Nematal 105
- Synonyms
- 4-n-Pentylphenyl p-anisate4-Amylphenyl 4′-methoyxbenzoateNematal 105

Liquid Crystal Mesogen
As a liquid crystal mesogen, this compound exhibits properties essential for the formulation of advanced display technologies and optical devices. Its molecular architecture allows for ordered arrangements crucial in liquid crystal applications.
Materials Science Research
This benzoate ester is employed in materials science research for the synthesis and characterisation of novel organic materials. Its utility spans the development of materials with specific electronic and optical functionalities.
Organic Electronics
The compound finds application in the burgeoning field of organic and printed electronics. Its properties are leveraged in the design and fabrication of components for organic light-emitting diodes (OLEDs), transistors, and photovoltaic devices.
| Molecular weight | 298.38 |
|---|---|
| Empirical formula | C19H22O3 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 28-42 °C |


Hazard statements
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P501Dispose of contents and container per local regulations
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Flash point | >110 °C / >230 °F |
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi,N |
| Risk statements (R) | 36/38-43-50/53 |
| Safety statements (S) | 26-37/39-60-61 |
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-Pentylphenyl 4-methoxybenzoate used for?
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4-Pentylphenyl 4-methoxybenzoate is primarily used as a liquid crystal mesogen in materials science, with applications in organic and printed electronics.
What is the CAS number and formula for 4-Pentylphenyl 4-methoxybenzoate?
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The CAS number is 38444-13-2 and the empirical formula (Hill notation) is C19H22O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Pentylphenyl 4-methoxybenzoate with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations for this compound?
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This compound is classified under GHS07 and GHS09 symbols with a 'Warning' signal word. It carries hazard statements H315 (Causes skin irritation), H317 (May cause an allergic skin reaction), H319 (Causes serious eye irritation), and H410 (Very toxic to aquatic life with long lasting effects). Appropriate personal protective equipment, including a dust mask (N95 US type), eyeshields, face shields, and gloves, should be worn. Handle in a well-ventilated area, avoiding release to the environment (P273, P501).
How is 4-Pentylphenyl 4-methoxybenzoate packed and shipped?
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Products are shipped according to UN 3077, Class 9, Packing Group III regulations, suitable for international export. Storage is recommended at 2-8°C.
How can I request a quote or sample?
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To request a quote or sample, please contact our sales team through the provided channels on our website, specifying the product name and CAS number.
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