Bemotrizinol (Tinosorb S, CAS 187393-00-6) is a broad-spectrum UV filter offering balanced UVB and UVA protection with outstanding photostability. Its oil-soluble nature makes it easy to formulate in creams, lotions and sprays — a premium choice for high-SPF systems.
Physical & Chemical Properties
- INCI: Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine
- CAS number: 187393-00-6
- Appearance: pale yellow to yellowish powder
- Solubility: oil-soluble; practically insoluble in water
- Molecular formula: C38H49N3O5
- Absorption: broad UVB + UVA (290–380 nm)
- Photostability: excellent, high-performance filter
Key Benefits for Formulation
- Broad-spectrum protection: UVB + UVA balance in one filter
- Outstanding photostability: minimal degradation under UV
- Oil-soluble convenience: easy incorporation in the oil phase
- High SPF contribution: boosts total SPF efficiently
- Globally accepted: approved in EU, Australia and many markets
Main Applications
- Sunscreens: high-SPF broad-spectrum formulas
- Day creams & anti-aging SPF: daily protection
- Makeup & BB/CC creams: SPF-rated cosmetics
- Sports & outdoor products: long-exposure stability
- Lip care & sun sticks: oil-based formats
Why Choose Our Bulk Bemotrizinol (Tinosorb S)?
- 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 Avobenzone for UVA enhancement.
FAQ About Wholesale Bemotrizinol (Tinosorb S)
What is the CAS number of Bemotrizinol?
CAS 187393-00-6 (Tinosorb S).
What is the INCI name?
Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine.
What spectrum does Bemotrizinol cover?
Broad UVB + UVA protection (290–380 nm) with high photostability.
Is it water or oil soluble?
It is oil-soluble and practically insoluble in water — add to the oil phase.
What is the maximum use level?
Up to 10% in the EU; verify local limits for your market.
Can it stabilize Avobenzone?
Yes — it is often paired with Avobenzone to boost UVA protection and photostability.
Is it suitable for high-SPF products?
Yes — it contributes efficiently to high SPF values.
Start Your Bemotrizinol (Tinosorb S) Bulk Order
Contact our sales team today for spec sheets, samples and bulk pricing — our technical team is ready to support your formulation development.