Quick Product Information

Product NameSUNSORB® 327
CAS Number3864-99-1
Chemical FormulaC20H24ClN3O
Supply OriginChina
DocumentsCOA / SDS / TDS / Specification available upon request
InquiryRequest Quotation →

Product Overview

SUNSORB® 327 is a high-molecular-weight, low-volatility benzotriazole UV absorber providing excellent long-term light stability for polyolefins, coatings, and engineering plastics in demanding outdoor service environments. SUNCHEM supports international buyers with SUNSORB® 327 sourcing from qualified Chinese producers, with quality documentation, export coordination, and logistics support.

Applications & Uses

  • UV absorber for polyolefins and engineering plastics
  • Long-term UV protection in outdoor applications
  • Coating and varnish photostabilizer
  • Low-volatility UV filter for demanding applications
  • Compatible absorber for diverse polymer systems
  • Synergistic use with HALS light stabilizers
  • Automotive and industrial coating protection

Why Source SUNSORB® 327 Through SUNCHEM?

SUNSORB® 327 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® 327 from China?

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

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Basic Info

Chemical Synonym(s)2,4-Di-tert-butyl-6-(5-chloro-2-benzotriazolyl)phenol; UV ABSORBER UV-327; 2,4-Di-tert-butyl-6-(5-chloro-2H-benzo[d][1,2,3]triazol-2-yl)phenol; 2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol; 5-Chloro-2-(3,5-di-tert-butyl-2-hydroxyphenyl)benzotriazole; 2-(3,5-Di-tert-butyl-2-hydroxyphenyl)-5-chlorobenzotriazole; 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole;
CAS Number3864-99-1
Chemical Formula

C20H24ClN3O

Characteristics

Appearance & Physical StateSlightly yellowish powder
Density1.26
Boiling Point469.2ºC at 760 mmHg
Melting Point150-158ºC
Fp234°C
Pka9.23±0.48(Predicted)
CAS DataBase Reference3864-99-1(CAS DataBase Reference)
Refractive Index1.596

Frequently Asked Questions

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