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MBBT (Bisoctrizole) — CAS 103597-45-1 | UV Filter Supplier
CAS 103597-45-1
Broad-spectrum UV-A and UV-B protection.
Overview
MBBT
MBBT (Bisoctrizole) is a photostable broad-spectrum UV filter in Sigmak’s UV portfolio (product code SIG-UV-017).
A methylene-bridged bis-benzotriazole structure provides broad-spectrum absorption across both UV-A and UV-B, and is effective at low concentrations.
Product identity
- CAS Number
- 103597-45-1
- Molecular Formula
- C41H50N6O2
- Molecular Weight
- 658.88
- Appearance
- White to cream powder
- Melting Point
- 195–198 °C
- Purity
- NLT 97%
- Canada DSL
- Listed
Cosmetic / Formulation Applications
- Broad-spectrum UV-A and UV-B protection in sunscreen formulations
- Anti-aging formulas requiring high-efficiency UV screening
- Sun protection products designed for low-use-level performance
- Cold-process personal care formulations
Typical formulation considerations
- Can be processed cold, which can simplify manufacturing compared with UV filters that require melt-in oil-phase processing.
- Supplied as a powder; effective at low use levels.
- Broad-spectrum UV-A/UV-B coverage from a single active.
Packaging & documentation
- Packaging
- 25 kg corrugated box pallet
- Shelf life
- 3 years
- Storage
- Store at ambient temperature in a dry place away from direct sunlight.
- Documentation
- CoA / SDS / TDS available on request.
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