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Methylene Bis-Benzotriazolyl Tetramethylbutylphenol
Broad-spectrum UVA/UVB filter acting by absorption, reflection and scattering; used as a micro-fine particulate.
On requestUV filters
Identity
- INCI name
- Methylene Bis-Benzotriazolyl Tetramethylbutylphenol
- Also known as
- MBBT · Bisoctrizole
- IUPAC name
- 2,2′-Methylenebis[6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol]
- CAS number
- 103597-45-1
- Molecular formula
- C41H50N6O2
- Molecular weight
- 658.87 g/mol
- Appearance
- White to off-white powder (also as aqueous dispersion)
Typical specification
| Parameter | Typical value |
|---|---|
| Purity (HPLC) | ≥ 99.0 % |
| Particle size (dispersion) | Report |
| Loss on drying | ≤ 0.5 % |
Indicative values. The lot certificate of analysis governs. Full TDS and SDS available on request; analytical methods shared under CDA.
Applications
- •Broad-spectrum sun care
- •Mineral-organic hybrid systems
Regulatory note
Listed UV filter in the EU (Annex VI) and Korea (MFDS restricted-use list) with market-specific maximum levels. Not an approved sunscreen active in the USA.