4-methylbenzylidene camphor
What is 4-methylbenzylidene camphor?
4-Methylbenzylidene camphor (CAS 36861-47-9), also known as 4-MBC and Enzacamene, is an organic UV filter used in sunscreen and cosmetic formulations.
Where is 4-methylbenzylidene camphor used?
- Sunscreens: UV-B filter in creams, lotions and sprays
- Color cosmetics and daily moisturizers with SPF claims: contributes to the sun protection factor
- Hair care: leave-in conditioners and styling preparations that prevent UV-induced color fading and protect the hair fiber
- It absorbs UV-B radiation, protecting the skin and cosmetic products from photodegradation.
Good to know: Typically combined with other UV actives to achieve broad-spectrum protection. Evaluated against Ph. Eur. or in-house supplier monographs.
Commercial specifications
- Purity typically at or above 98%
- Packaging from kilogram-scale quantities to bulk drums
Other Names (Synonyms)
Methyl benzylidene camphor|Enzacamene D-L form|4-MBC|3-(p-Methylbenzylidene)-DL-camphor|3-(4-methylbenzylidene)camphor|(+/-)-3-(p-methylbenzylidene)camphor|(±)-1,7,7-trimethyl-3-[(4-methylphenyl)methylene]bicyclo[2.2.1]heptan-2-one|RefChem:1066747