2-Ethylhexyl 4-methoxycinnamate
2-Ethylhexyl 4-methoxycinnamate (CAS: 5466-77-3, C18H26O3) is an organic compound with a molecular weight of 290.40 g/mol. It functions primarily as a UV-B absorber, making it a valuable ingredient in sunscreens and other personal care products. This ester is widely utilised in formulations to protect skin from the damaging effects of sunlight. Tech Serve Solutions supplies this chemical for various industrial and research applications.
- IUPAC
- 4-Methoxycinnamic acid 2-ethylhexyl ester,OMC,Octyl methoxycinnamate
- Synonyms
- 4-Methoxycinnamic acid 2-ethylhexyl esterOMCOctyl methoxycinnamate

UV Filter in Personal Care Products
2-Ethylhexyl 4-methoxycinnamate is incorporated into sunscreens, lotions, and cosmetics to absorb ultraviolet B (UVB) radiation, thereby protecting the skin from sun damage. Its efficacy in the UVB spectrum makes it a key component in broad-spectrum sun protection formulations.
Stabiliser in Polymers and Coatings
This compound can be used to stabilise plastics, polymers, and coatings against photodegradation caused by UV exposure. It helps to maintain the integrity and appearance of materials over time when exposed to sunlight.
Chemical Synthesis Intermediate
As an organic building block, it serves as an intermediate in the synthesis of more complex organic molecules. Its ester and aromatic functionalities allow for diverse chemical transformations in research and development settings.
| Molecular weight | 290.40 |
|---|---|
| Empirical formula | C18H26O3 |
| Assay | 98% (GC)98% |
| Refractive index | n20/D 1.545 |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | 193 °C / 379.4 °F |
| Water hazard class (WGK, DE) | nwg |
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 2-Ethylhexyl 4-methoxycinnamate used for?
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2-Ethylhexyl 4-methoxycinnamate is primarily used as a UV-B filter in personal care products such as sunscreens and cosmetics, and also as a stabiliser in polymers and coatings. It also functions as an intermediate in chemical synthesis.
What is the CAS number and formula for 2-Ethylhexyl 4-methoxycinnamate?
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The CAS number is 5466-77-3 and the empirical formula is C18H26O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Ethylhexyl 4-methoxycinnamate with an assay of 98% (GC), and it is not represented as USP, BP, or EP grade.
How should 2-Ethylhexyl 4-methoxycinnamate be handled?
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Handle with care, using appropriate personal protective equipment including eyeshields and gloves. It is classified as non-hazardous for water pollution (WGK Germany: nwg) and has a high flash point (193 °C), indicating it is not easily ignitable under normal conditions.
How is 2-Ethylhexyl 4-methoxycinnamate shipped and exported?
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Tech Serve Solutions, a specialist global supplier and exporter, handles the packaging and shipping of 2-Ethylhexyl 4-methoxycinnamate in compliance with international regulations for chemical transport.
How can I request a quote or sample?
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Please contact our sales department through the website or by phone to request a quotation or a sample of 2-Ethylhexyl 4-methoxycinnamate.
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