Quick Product Information

Product NameSUNSORB® 326
CAS Number3896-11-5
Chemical FormulaC17H18ClN3O
Supply OriginChina
DocumentsCOA / SDS / TDS / Specification available upon request
InquiryRequest Quotation →

Product Overview

SUNSORB® 326 is a chloro-substituted benzotriazole UV absorber with high efficiency from 300-380 nm, protecting polyolefins, PVC, and styrenic polymers from photodegradation and yellowing in outdoor applications. SUNCHEM supports international buyers with SUNSORB® 326 sourcing from qualified Chinese producers, with quality documentation, export coordination, and logistics support.

Applications & Uses

  • UV absorber for polyolefins, PVC, and styrenics
  • Yellowing prevention in polymer processing
  • Photostabilizer for outdoor plastic applications
  • Coating and sealant UV protection
  • Compatible UV absorber for diverse substrates
  • Synergistic stabilizer with HALS additives
  • Agricultural film and greenhouse cover protection

Why Source SUNSORB® 326 Through SUNCHEM?

SUNSORB® 326 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® 326 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)Bumetrizole; 2-(5-Chloro-2-benzotriazolyl)-6-tert-butyl-p-cresol; 2-(tert-Butyl)-6-(5-chloro-2H-benzo[d][1,2,3]triazol-2-yl)-4-methylphenol; 2-(2-Hydroxy-3-tert-butyl-5-methylphenyl)-5-chlorobenzotriazole;
CAS Number3896-11-5
Chemical Formula

C17H18ClN3O

Characteristics

Melting point144-147 °C(lit.)
Boiling point460.4±55.0 °C(Predicted)
Density1.26±0.1 g/cm3(Predicted)
Pka9.31±0.48(Predicted)
Flash Point232.3ºC
Refractive Index1.628
Appearance & Physical StateSlightly yellowish powder
CAS DataBase Reference3896-11-5(CAS DataBase Reference)

Frequently Asked Questions

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