Quick Product Information

Product NameSUNSORB® 531
CAS Number1843-05-6
Chemical FormulaC21H26O3
Supply OriginChina
DocumentsCOA / SDS / TDS / Specification available upon request
InquiryRequest Quotation →

Product Overview

SUNSORB® 531 is a benzophenone UV absorber providing broad-spectrum UV protection in polyolefins, PVC, adhesives, and coatings with excellent compatibility in most polymer systems. SUNCHEM supports international buyers with SUNSORB® 531 sourcing from qualified Chinese producers, with quality documentation, export coordination, and logistics support.

Applications & Uses

  • UV absorber for polyolefins, PVC, and ABS
  • Photostabilizer in adhesives and sealants
  • Color retention in plastics and coatings
  • Coating and ink UV protection additive
  • Personal care UV filter ingredient
  • Compatible UV absorber for diverse polymer systems
  • Packaging material light protection

Why Source SUNSORB® 531 Through SUNCHEM?

SUNSORB® 531 sourcing requires careful verification of manufacturers, compliance with export documentation, and proper logistics management. SUNCHEM supports global customers by connecting them with qualified Chinese producers and managing the key steps from sourcing to shipment.

Qualified Producer Selection

We help customers identify suitable Chinese manufacturers based on product specifications, production scale, quality records, and export capability.

Quality & Document Support

We coordinate documents including COA, MSDS, TDS, product specifications, and other export-related documents required for international trade.

Export & Logistics Coordination

SUNCHEM works with experienced logistics partners to ensure safe and compliant shipment arrangements, including proper handling for regulated materials.

Flexible Sourcing Solutions

Whether you require regular commercial supply, trial orders, or long-term procurement support, we match suitable supply sources to your requirements.

Long-Term Supply Management

We help manage supplier communication, quality follow-up, shipment schedules, and supply chain stability.

Ready to Source SUNSORB® 531 from China?

Send us your required purity, quantity, destination port, and documentation needs. Our team will respond with quotation details and available product documents.

Basic Info

Chemical Synonym(s)benzophenone-12,octabenzone; BP-12; (2-Hydroxy-4-(octyloxy)phenyl)(phenyl)methanone; 4-n-octoxy-2-hydroxybenzophenone; UV-531; 2-Hydroxy-4-n-octyloxybenzophenone; uva1; Methanone, [2-hydroxy-4-(octyloxy)phenyl]phenyl-;
CAS Number1843-05-6
Chemical Formula

C21H26O3

Characteristics

Melting point47-49 °C(lit.)
Boiling point424.46°C (rough estimate)
Density1.160g/cm3
Refractive index1.6000 (estimate)
Flash Point155.1ºC
Vapor Pressure5.25E-09mmHg at 25°C
Appearance & Physical StateLight Yellow Crystal
BRN1915198

Frequently Asked Questions

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