Tinuvin 1577丨CAS 147315-50-2

Product Introduction:

Catalog No.: SS132192
CAS No.: 147315-50-2
Purity(HPLC): 98.5% min
Product Name: Tinuvin 1577
Certificate: REACH; ISO9001; ISO14001
Molecular Formula: C27H27N3O2
Molecular Weight: 425.52
Synonym(s): 2-(4,6-Diphenyl-1,3,5-triazin-2-yl)-5-[(hexyl)oxy]-phenol

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Technical Parameters

Description

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Specifications

Appearance:	Light Yellow Powder
Purity (HPLC):	98.5% min
Melting Point:	147–151 °C
Ash:	0.1% max
Loss On Drying:	0.3% max
Transmittance 500nm:	98% min
Transmittance 450nm:	86% min

Manufacturing Information

Parameter	Specification
Capacity	100MT/year
Frequency
Main Export Countries
Capacity/Batch
Experience	Production since 2017
Stock

Applications

1. Engineering Plastics

Extensively used in polycarbonates (PC), polyesters (PET, PBT), polyamides (PA), acrylics (PMMA), and styrenic polymers (ABS, SAN).

Protects materials from yellowing, embrittlement, and loss of mechanical properties under UV exposure.

2. Films and Fibers

Ideal for optical films, packaging films, and synthetic fibers requiring high clarity and long-term UV stability.

Prevents discoloration and degradation in clear or lightly pigmented materials.

3. Coatings

Used in automotive coatings, clear wood finishes, and industrial coatings.

Enhances durability and prevents gloss loss, cracking, or chalking of the coating layer.

4. Adhesives and Sealants

Applied in UV-sensitive sealants and adhesives to protect their performance and appearance in outdoor environments.

Benefits

Excellent UV Absorption: Broad-spectrum UVA/UVB protection in the 300–400 nm range.

High Thermal Stability: Suitable for processing at elevated temperatures without decomposition.

Low Volatility: Stays embedded in polymer matrices, minimizing migration and blooming.

Transparency Friendly: Non-coloring, ideal for clear or light-colored formulations.

Synergistic with HALS: Can be combined with HALS (Hindered Amine Light Stabilizers) for improved light and weather resistance.

Conclusion

Tinuvin 1577 (CAS 147315-50-2) is a high-performance UV absorber specifically designed for transparent thermoplastics, coatings, and films. Its combination of thermal stability, non-volatility, and broad-spectrum UV protection makes it ideal for durable, light-stable products across automotive, electronics, packaging, and industrial sectors. Tinuvin 1577 plays a critical role in preserving optical clarity, color, and mechanical performance in UV-exposed applications.