Description
DHHB (Diethylamino Hydroxybenzoyl Hexyl Benzoate, Uvinul A Plus, CAS 302776-68-7) is a highly photostable UVA filter. It provides strong UVA-1 protection without the photodegradation issues of Avobenzone — a preferred choice for modern broad-spectrum sunscreens.
Physical & Chemical Properties
- INCI: Diethylamino Hydroxybenzoyl Hexyl Benzoate
- CAS number: 302776-68-7
- Appearance: pale yellow to yellowish crystalline powder
- Solubility: oil-soluble; practically insoluble in water
- Molecular formula: C24H31NO4
- Absorption: strong UVA-1 (approx. 354 nm)
- Photostability: excellent, minimal degradation under UV
Key Benefits for Formulation
- High UVA-1 protection: effective long-wave UVA defense
- Excellent photostability: outperforms Avobenzone stability
- Oil soluble: easy formulation in the oil phase
- Low irritation: suitable for daily and sensitive skin
- Modern filter: approved in EU and many global markets
Main Applications
- Sunscreens: high-SPF UVA protection
- Day creams & moisturizers: daily UVA defense
- Anti-aging SPF: prevention-focused formulas
- Makeup & BB creams: SPF-rated cosmetics
- Sports & outdoor products: long-exposure stability
Why Choose Our Bulk DHHB (Uvinul A Plus)?
- GMP manufacturing: full quality control from raw material to finished product
- Complete documentation: COA, SDS and heavy metal test reports available on request
- Flexible supply: MOQ and lead time on inquiry, from R&D samples to mass production
- Export experience: reliable shipping to EU, North America, Australia and Middle East
Recommended Usage
Typical use level up to 10% (EU-regulated maximum). Oil-soluble — incorporate in the oil phase; pairs well with UVB filters for broad-spectrum coverage.
FAQ About Wholesale DHHB (Uvinul A Plus)
What is the CAS number of DHHB?
CAS 302776-68-7 (Uvinul A Plus).
What is the INCI name?
Diethylamino Hydroxybenzoyl Hexyl Benzoate.
What spectrum does DHHB cover?
Strong UVA-1 protection (approx. 354 nm).
Is DHHB photostable?
Yes — it is significantly more photostable than Avobenzone.
Is it water or oil soluble?
It is oil-soluble and practically insoluble in water.
What is the maximum use level?
Up to 10% in the EU; verify local limits for your market.
Can it replace Avobenzone?
Yes — it offers comparable UVA protection with better photostability.
Start Your DHHB (Uvinul A Plus) Bulk Order
Contact our sales team today for spec sheets, samples and bulk pricing — our technical team is ready to support your formulation development.


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