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Abbreviation: BEMT / Tinosorb S/Bemotrizinol
CAS Number: 187393-00-6
Product Type: Broad-spectrum UV absorber (UVA & UVB filter)
Bis-ethylhexyloxyphenol methoxyphenyl triazine (BEMT, trade name Tinosorb S) is a highly effective, broad-spectrum, oil-soluble ultraviolet absorber that absorbs both UVA and UVB wavelengths (280–400 nm). It is widely used in sun protection and skincare.
This product exhibits excellent photostability, thermal stability, and formulation compatibility, significantly improving the SPF and PA values of sunscreens. It is commonly used in high-end sunscreens, outdoor sports sunscreens, daily skincare products, and anti-photoaging products, and is one of the core ingredients in mainstream international sun protection systems.
| Item | Specification |
|---|---|
| Product Name | Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine |
| CAS Number | 187393-00-6 |
| INCI Name | Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine |
| Appearance | Yellow powder |
| Purity | ≥ 98% |
| Molecular Formula | C38H49N3O5 |
| Molecular Weight | 627.78 g/mol |
| UV Absorption Range | 280–400 nm |
| Solubility | Oil soluble |
| Photostability | Excellent |
| Shelf Life | 24 months |
1. Sunscreen Products
Broad-spectrum UVA/UVB protection
Significantly enhances SPF and PA values
Often used in combination with Avobenzone, Octocrylene, and DHHB
2. Skin Care Products
Anti-photoaging, reduces skin damage caused by UV rays
Suitable for formulas such as lotions, creams, and sunscreen serums
3. Outdoor and High SPF Sunscreen Products
Suitable for prolonged sun exposure and high UV environments
High photostability, not easily decomposed
4. Makeup Sunscreen Systems
Used in BB creams, foundations, and primers
Provides invisible sun protection and long-lasting protection
✅ Broad-spectrum UV absorption covering both UVA and UVB
✅ Extremely high photostability, virtually non-degradable
✅ Improves the SPF/PA efficiency of sunscreens
✅ Excellent compatibility with various sunscreen agents
✅ High safety and low irritation
✅ Suitable for high-end and professional sunscreen formulations
🌐 15+ years of experience exporting cosmetics and fine chemical raw materials
🏆 Strict quality control system (ISO / SGS)
📄 Provides COA / MSDS / TDS / technical support
🚢 Stable inventory, supporting bulk and long-term supply
💼 Accepts OEM, customized packaging, and formula assistance
Packaging Specifications: 25kg cardboard drum / Customized packaging
Storage Conditions: Sealed, protected from light, cool and dry place
Shelf Life: 24 months (unopened)
Q1: Is BEMT a UVA or UVB filter?
👉 BEMT is a broad-spectrum UV filter covering both UVA and UVB.
Q2: Is BEMT oil soluble or water soluble?
👉 It is oil soluble and should be added to the oil phase.
Q3: Is BEMT photostable?
👉 Yes, it has excellent photostability and does not easily degrade.
Q4: Can BEMT be combined with other UV filters?
👉 Yes, it works synergistically with Avobenzone, DHHB, Octocrylene, etc.
Q5: Do you offer cosmetic-grade certification?
👉 Yes, cosmetic-grade documents and samples are available.
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