Methyl 4-hydroxycinnamate CAS 3943-97-3

1. Acts Methyl 4-hydroxycinnamate CAS 3943-97-3 as a UV-absorbing additive in cosmetics and sunscreens to protect skin from ultraviolet-induced damage.

2. Serves Methyl 4-hydroxycinnamate as a flavor enhancer in food processing, imparting a mild sweet and aromatic note to beverages, candies and baked goods.

3. Functions as a key intermediate for synthesizing pharmaceutical compounds and functional aromatic polymers with antioxidant properties.

Store methyl 4-hydroxycinnamate (CAS 3943-97-3, white crystalline powder, faint sweet aromatic odor, flash point >150°C, combustible) in sealed amber glass containers at 15–25°C in a cool, dry, well-ventilated area. Isolate from strong oxidants, acids and bases to avoid hydrolysis and oxidation. Wear nitrile gloves, safety goggles and a dust mask; avoid dust inhalation, skin/eye contact and ingestion to prevent mild irritation. Reseal tightly post-use; dispose of waste per local chemical regulations.

Methyl 4-hydroxycinnamate is a cosmetic additive, food flavoring and pharmaceutical intermediate, not for direct pure-form human ingestion; undiluted intake may cause gastrointestinal discomfort and oral irritation.

In regulated applications, Methyl 4-hydroxycinnamate CAS 3943-97-3 provides safe UV protection for skincare products, enriches the sensory profiles of food items, and supports the production of high-value antioxidant drugs and materials.