Diethylamino hydroxybenzoyl hexyl benzoate
CAS Number
302776-68-7
EC Number
443-860-6
What is Diethylamino hydroxybenzoyl hexyl benzoate?
Diethylamino hydroxybenzoyl hexyl benzoate (CAS 302776-68-7), known as DHHB, is an oil-soluble UVA filter for sunscreen and cosmetic formulations.
Where is Diethylamino hydroxybenzoyl hexyl benzoate used?
- Suncare: primary UVA filter
- Leave-on products such as sunscreens, day creams and foundations: helps meet regulatory SPF and UVA protection requirements
- Anhydrous and emulsion systems: oil solubility aids incorporation
- Plastics and polymers: light stabilizer against UV-induced degradation in films, coatings and molded parts
- Coatings and adhesives extend the service life of UV-sensitive substrates exposed to outdoor weathering.
Good to know: Targets the 320–400 nm range; photostable and compatible with other UV filters. Approved under Annex VI of the EU Cosmetics Regulation.
Commercial specifications
- Cosmetic-grade purity, typically ≥98%
Other Names (Synonyms)
DHHB|Hexyl 2-(4-(diethylamino)-2-hydroxybenzoyl)benzoate|Benzoic acid, 2-[4-(diethylamino)-2-hydroxybenzoyl]-, hexyl ester|ANQ870JD20|RefChem:133468|Uvinul A Plus|n-Hexyl 2-(4-diethylamino-2-hydroxybenzoyl)benzoate
What are the physical properties of Diethylamino hydroxybenzoyl hexyl benzoate?
Boiling Point 524.8±40.0 °C(Predicted)
Density 1.112±0.06 g/cm3(Predicted)
Color White to Yellow Sticky Oil to
Form neat
Water Solubility 16μg/L at 20℃
Vapor Pressure 0Pa at 20℃
Log P 6.2 at 24℃
How is Diethylamino hydroxybenzoyl hexyl benzoate classified and handled safely? Learn More
Hazard Statements
H413 May cause long lasting harmful effects to aquatic life [Hazardous to the aquatic environment, long-term hazard]
Which trade and regulatory codes apply to Diethylamino hydroxybenzoyl hexyl benzoate?
Storage Class 10 - Combustible liquids
WGK (Germany) 1