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Ethylhexyl Methoxycinnamate (OMC) — CAS 5466-77-3 | UV Filter Supplier
CAS 5466-77-3
UV-B filter; also functions as a solvent for crystalline UV filters such as DHHB, Ethylhexyl Triazone, and Bemotrizinol.
Overview
Ethylhexyl Methoxycinnamate
Ethylhexyl Methoxycinnamate (Octyl Methoxycinnamate, OMC) is a lipophilic liquid UV-B filter in Sigmak’s portfolio (product code SIG-UV-004).
A cinnamate ester chromophore absorbs UV-B radiation through its conjugated double-bond system.
Product identity
- CAS Number
- 5466-77-3
- Molecular Formula
- C18H26O3
- Molecular Weight
- 290.40
- Appearance
- Colorless to yellow clear liquid
- Purity
- NLT 98.0%
- Boiling Point
- 140–150 °C
- Canada DSL
- Listed
Cosmetic / Formulation Applications
- UV-B filter for sunscreen formulations
- Cosmetic formulations requiring a widely used lipophilic UV filter
- Solvent for crystalline UV filters supplied in powder form
Typical formulation considerations
- Liquid at room temperature; commonly used to dissolve powder-form UV filters (such as DHHB, Ethylhexyl Triazone or Bemotrizinol) into the oil phase before emulsification.
- Odorless with high cosmetic elegance, a frequently cited reason for its broad formulation compatibility.
Packaging & documentation
- Packaging
- 200 kg drum
- Shelf life
- 3 years
- Storage
- Store at ambient temperature in a dry place away from direct sunlight.
- Documentation
- CoA / SDS / TDS available on request.
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