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;
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  • CAS Number: 3896-11-5
  • Chemical Formula:


  • MSDS: Download


Melting point
144-147 °C(lit.)
Boiling point
460.4±55.0 °C(Predicted)
1.26±0.1 g/cm3(Predicted)
Flash Point
Refractive Index
Appearance & Physical State
Slightly yellowish powder
CAS DataBase Reference
3896-11-5(CAS DataBase Reference)
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We help you source SUNSORB® 326 in China

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China currently plays a very important role in the world market for plastic additives, with 168, 1010, DSTDP, DLTDP, 977 and 365 being the most produced products in the world.
The price of plastic additives varies significantly with oil, while the cost correlation between antioxidants and palm oil is high.
Since 2020, the number of black swan events in the world has increased, resulting in dramatic changes in raw material prices.
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Request a quote for SUNSORB® 326


SUNSORB® 326 is a colorless, transparent liquid with a weak alkaline reaction with a characteristic pungent odor. 

It is a unique physical-chemical preparation with the action of an ultraviolet radiation absorber with a maximum absorption wavelength of about 360 nm.

It was designed to treat water, wastewater, solvent, pesticide, detergent, or other solutions.

Ultraviolet Absorber has good solubility in water, relatively low cost, ease of use, safety, can be stored for long periods, not dangerous to the skin, the substrate is not flammable, non-toxic to the human body, non-polluting to the environment, no residue, no pollution to the environment.  


SUNSORB® 326 is a chemical that is used to protect sensitive electronic materials from ultraviolet radiation.

 This chemical can be used as a UV absorber, light stabilizer, discoloration inhibitor, etc. It is widely used in the plastic industry for high-temperature flame retardants, plasticizers, fumigation, antistatic agent, antioxidants, UV absorber, color preservation, etc. 

This chemical is used in flame retardant, plasticizer, fumigation, antistatic agent, antioxidant, UV absorber, color preservation, etc.

In addition to this, it is also a non-ionic UV absorber and is added to products as a secondary preservative to protect them from microbial contamination.

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