2-(4-Diethylamino-2-hydroxybenzoyl)benzoic Acid CAS 5809-23-4

1. 2-(4-Diethylamino-2-hydroxybenzoyl)benzoic acid is a high-performance UV absorber and photostabilizer primarily used in sunscreen formulations and cosmetic products to provide broad-spectrum protection against UVA radiation .
2. 2-(4-Diethylamino-2-hydroxybenzoyl)benzoic acid serves as an effective light stabilizer for industrial polymers, including polycarbonate, polyesters, and acrylic resins, protecting these materials from photodegradation and yellowing during outdoor exposure .
3. 2-(4-Diethylamino-2-hydroxybenzoyl)benzoic acid is employed in the formulation of automotive coatings and industrial paints, where its high photostability and thermal stability ensure long-lasting protection against UV-induced degradation .
4. In research applications, 2-(4-Diethylamino-2-hydroxybenzoyl)benzoic acid CAS 5809-23-4 is utilized as a reference standard for the analysis of UV filters in consumer products and as a model compound for studying benzophenone-based photostabilization mechanisms .

1. 2-(4-Diethylamino-2-hydroxybenzoyl)benzoic acid must be stored in a tightly sealed container in a cool, dry, and well-ventilated environment, protected from light and moisture; recommended storage at 2-8°C or at room temperature in a cool, dark place .
2. 2-(4-Diethylamino-2-hydroxybenzoyl)benzoic acid is classified with GHS hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation), with signal word "Warning" .
3. Personnel must wear chemical-resistant gloves, safety goggles with side-shields, and protective clothing when handling this substance, ensuring adequate ventilation in work areas .
4. Keep 2-(4-Diethylamino-2-hydroxybenzoyl)benzoic acid away from incompatible materials such as strong oxidizing agents, strong acids, and strong bases to prevent decomposition; wash thoroughly after handling .

1. Isolate the spill area, ensure adequate ventilation, and wear full personal protective equipment including chemical-resistant gloves, safety goggles, and suitable dust respirator when 2-(4-Diethylamino-2-hydroxybenzoyl)benzoic acid is released .
2. Collect 2-(4-Diethylamino-2-hydroxybenzoyl)benzoic acid CAS 5809-23-4 by sweeping or vacuuming without creating dust using non-sparking tools, and place into suitable closed containers for disposal .
3. Avoid creating dust clouds during cleanup to prevent respiratory exposure; prevent the product from entering drains or water courses .
4. Dispose of collected material according to local, state, and federal environmental regulations through licensed chemical destruction or controlled incineration .

1. 2-(4-Diethylamino-2-hydroxybenzoyl)benzoic acid is not classified as highly flammable but may decompose under fire conditions, emitting toxic fumes including carbon monoxide, carbon dioxide, and nitrogen oxides (NOx) .
2. Use water spray, dry chemical powder, carbon dioxide, or alcohol-resistant foam to extinguish fires involving the product; do NOT use a direct water jet as 2-(4-Diethylamino-2-hydroxybenzoyl)benzoic acid CAS 5809-23-4 may scatter burning material .
3. Firefighters should wear self-contained breathing apparatus in pressure-demand, MSHA/NIOSH approved, and full protective gear when handling burning 2-(4-Diethylamino-2-hydroxybenzoyl)benzoic acid due to hazardous decomposition gases generated by thermal decomposition .
4. During combustion, may emit irritant and toxic fumes; contain fire runoff to prevent environmental contamination .