Description

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.