Basic Info:

  • Chemical Synonym(s): 4-methyl-6-benzotriazol-2-yl-phenol; tinp; UV-P; Porex P; 2-(2H-Benzo[d][1,2,3]triazol-2-yl)-4-methylphenol; 2-(2-Hydroxy-5-Methylphenyl)benzotriazole; 2,6-PYRIDINECARBOXALDEHYDE; Uvazol P;
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  • CAS Number: 2440-22-4
  • Chemical Formula:


  • MSDS: Download


Melting point
125.5-129.5 °C(lit.)
Boiling point
bp10 225°
Refractive index
1.5600 (estimate)
Flash Point
Storage Condition
Keep tightly closed.
Vapor Pressure
4.81E-07mmHg at 25°C
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We help you source SUNSORB® P in China

Our Advantages:

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.
Companies such as UPP, SONGWON, PMC, LG, etc. have been alerted by us in time and have avoided many losses.

We have a 20+ year track record of working with suppliers in China and rating reports on them, and we keep our suppliers updated with the latest news so our customers can get the latest supplier reports. We know the market well and have early warning notifications on upstream raw material prices to help you build a stable supply chain.

When selecting suppliers, our procurement specialists will audit the qualification of suppliers, conduct thorough investigations such as field visits and sample testing, and make ratings to ensure the authenticity and legality of supplier information.

We have a long-term stable cooperation with GLP laboratories, encounter customer test results and supplier test results do not match the situation, we will commission a third party to test to ensure the accuracy, authenticity and reliability of the experimental results. In this way, we can effectively control the product quality problems.

We have a long-term cooperative warehouse and can follow up packaging and labeling according to safety regulations and customer requirements. In order to effectively prevent damage to the goods in transit, we have prepared various reinforcement measures and packaging solutions.

We have a number of international freight companies with whom we have long-standing cooperation, and we can choose several route options according to the customer's requirements. For more difficult or urgent orders, we will prepare several alternative solutions to ensure safe and timely delivery.


We promise to immediately and unconditionally exchange or return the goods if they have quality problems. Our employees who deal with after-sales issues have many years of international work experience and are familiar with various processes in multinational work, so they can communicate and deal with after-sales issues without any obstacles.

Request a quote for SUNSORB® P


SUNSORB® P is a kind of polymer having a very strong absorbance of ultraviolet rays, the main component of which is an oxygen atom, which is composed of polyether, so it is called polyoxymethylene ether. It has an outstanding anti-ultraviolet ray performance.

Due to the oxygen atom structure of the polymer, it has a high absorption ability of ultraviolet rays, whose ultraviolet ray absorption coefficient is more than 10000 times of the same quantity of the organic chemical ultraviolet absorbent.

So it is widely used in various kinds of plasticizer, color masterbatch, color filter, ABS, coloring, stabilizer, adhesion promoter, anti-ultraviolet ray paint plasticizer, etc.


SUNSORB® P is used in paint, coating, printing ink, electronics, plastics, resin, adhesive, web offset, silkscreen, etc.

It is used in polyurethane coating, hair spray, hair dye, hair cream, hair treatment, hair shampoo, hair oil, hair tonic, hair lotion, hair gel, hair shampoo, hair conditioner, hair spray, styling gel, conditioner for dry hair, condition for hair, gel lotion, gel-cream, etc.

It is also used in inks in offset printing, inks in flexographic printing, inks in gravure printing, inks in silk screen printing, inks in textile printing, inks in label printing, inks in copier toner, etc.

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