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| Catalog Number | CI-GU-0158 |
| Product Name | 4-Methylbenzylidene Camphor |
| CAS | 36861-47-9 |
| Structure |  |
| Synonyms | Bicyclo[2.2.1]heptan-2-one, 1,7,7-trimethyl-3-((4-methylphenyl)methylene)-;Enzacamene;4-MBC |
| IUPAC Name | (3Z)-1,7,7-trimethyl-3-[(4-methylphenyl)methylidene]bicyclo[2.2.1]heptan-2-one |
| Molecular Weight | 254.37 g/mol |
| Molecular Formula | C18H22O |
| InChI | InChI=1S/C18H22O/c1-12-5-7-13(8-6-12)11-14-15-9-10-18(4,16(14)19)17(15,2)3/h5-8,11,15H,9-10H2,1-4H3/b14-11- |
| InChI Key | HEOCBCNFKCOKBX-KAMYIIQDSA-N |
| Boiling Point | 198-200 °C |
| Melting Point | 66-68 °C |
| Purity | 95% |
| Density | 1.06 g/mL |
| Appearance | Solid |
| Isomeric SMILES | CC1=CC=C(C=C1)/C=C\2/C3CCC(C2=O)(C3(C)C)C |
4-Methylbenzylidene Camphor is an effective UV-B filter widely utilized in sun protection formulations, such as oil-in-water and water-in-oil emulsions, gels, and aerosols, due to its high absorptive capacity. This white, practically odorless powder is easily dissolved in standard cosmetic oils, making it a versatile ingredient for various sunscreen products in the European Union. It exhibits stability when exposed to light and can enhance the stability of butylmethoxy-dibenzoylmethane. Comprehensive toxicological evaluations have been conducted, confirming that, when used within recommended concentrations and applications, 4-Methylbenzylidene Camphor poses no toxicological risks.
What is 4-Methylbenzylidene Camphor and what are its primary applications?
4-Methylbenzylidene Camphor is a white powder that is practically odorless and readily soluble in common cosmetic oils. It acts as a UV-B filter with high absorptivity, approved in the EU for use in various sun protection products, including O/W and W/O emulsions, gels, and aerosols.
What are the stability characteristics of 4-Methylbenzylidene Camphor?
4-Methylbenzylidene Camphor is stable to light and has the ability to stabilize butylmethoxy-dibenzoylmethane, which enhances its effectiveness and shelf-life in sun protection formulations.
Is 4-Methylbenzylidene Camphor safe for use in cosmetic products?
4-Methylbenzylidene Camphor has undergone toxicological assessment to ensure its suitability in chemical preparations. Based on available information and adherence to recommended concentrations and applications, there is no evidence indicating any toxicological risks associated with its use in cosmetic products.
In which types of products can 4-Methylbenzylidene Camphor be found?
4-Methylbenzylidene Camphor is commonly found in sun protection products, such as O/W (oil-in-water) and W/O (water-in-oil) emulsions, gels, and aerosols, thanks to its effective UV-B filtering properties.
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