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  • UV Absorber 531

UV Absorber 531

UV Absorber 531 is a highly effective benzophenone-based ultraviolet absorber, chemically known as 2-hydroxy-4-n-octoxybenzophenone. This product effectively absorbs UV radiation in the 290-360 nm range, converting light energy into heat through an intramolecular hydrogen bond mechanism to prevent photo-oxidative degradation of polymer materials. With low volatility and good thermal stability, it is widely used for UV protection in plastics, coatings, rubber and other materials.
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Product Parameters


Product Name (English)UV Absorber 531 (2-Hydroxy-4-n-octoxybenzophenone)
CAS No.1843-05-6
Physical Properties- Benzophenone-based UV absorber
- Light yellow crystalline powder or flakes
- Excellent UV absorption (290-360 nm)
- Good thermal stability and low volatility
Applications- UV protection for plastics and polymers
- Stabilizer for coatings and paints
- Protective agent for agricultural films
- Additive for cosmetic sunscreens
SpecificationsPurity: >99%
Melting Point: 47-49°C
Volatile Matter: ≤0.5%
Ash Content: ≤0.1%
Packaging25 KG/carton or 20 KG/fiber drum

Basic Properties


  1. Physical Properties:
    · Appearance: Light yellow crystalline powder or flaky solid
    · Melting Point: 47-49°C
    · Solubility: Soluble in acetone, ethanol, benzene; insoluble in water
    · UV Absorption Range: 290-360 nm

  2. Chemical Properties:
    · Benzophenone-based UV absorber
    · Absorbs and converts UV energy through intramolecular hydrogen bond mechanism
    · Good thermal stability and migration resistance
    · Good compatibility with most polymers

Main Applications


  1. Plastic Products: UV protection for polyolefins, PVC and other plastics

  2. Coatings and Paints: Improves weather resistance and anti-yellowing properties of coating systems

  3. Rubber Products: Protects rubber products from UV aging

  4. Agricultural Films: Extends service life of agricultural films

  5. Cosmetics: Used as an additive in sunscreen formulations

Safety Precautions


  1. Handling:
    · Wear protective gloves and safety glasses during handling
    · Avoid dust formation, prevent dust inhalation
    · In case of eye contact, rinse immediately with plenty of water

  2. Storage:
    · Store in cool, dry place, avoid direct sunlight
    · Keep container tightly closed to prevent moisture absorption
    · Keep away from fire and heat sources

  3. Toxicity & Environment:
    · Slightly irritating to eyes and skin
    · Avoid inhalation of large amounts of dust
    · Handle as general chemical, avoid environmental pollution

Company Profile

Junteng Chemical is a professional chemical raw materials trading company dedicated to providing customers with one-stop procurement services. Through strict supplier, supply chain, and after-sales management, the company ensures that product quality, transportation, and use meet customer needs. Furthermore, the company's technical team offers customized solutions and support services free of charge.

 

The company has projects in the pharmaceutical, pesticide, petrochemical, construction, food additives, wastewater treatment, adhesives, inks, paints, coatings, plastic and rubber processing, detergent raw materials, fertilizer and textile mills, and more. Junteng Chemical sources products of stable and reliable quality, collaborating with domestic and international companies such as Luxi Group, Weiyuan Chemical, Qilu Petrochemical, Dongying Lihuayi, Yanshan Petrochemical, Sinopec, Shijiazhuang Refinery, Qingdao Petrochemical, Sailboat, Dow Chemical, BASF, South Korea, Taiwan, and Saudi Arabia. Our stable supply, superior product quality, and mature logistics have earned us a wide clientele. We look forward to collaborating with all of you for a mutually beneficial future.

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Company advantages

1

One-Stop Procurement
Platform

We integrate resources across all productcategories, including organic solvents,resins and rubbers, and inorganicchemicals,and strictly control suppliers.supply chains, and after-sales processes toensure stable quality, efficienttransportation,and worry-free use,simplifying your procurement process.

2

Professional Team TechnicalEmpowerment

Equipped with an experienced technicalteam, we provide free personalizedsolutions and professional technicalsupport to customers in varlous industrie,such as pharmaceuticals, petrochemicals,coatings and inks, and sewage treatment,.helping you solve problems and improveefficiency.

3

Global supply ChainSecurity

We work with top domestic and foreignchemical giants such as Luxi Group, QiluPetrochemical, Sinopec, BASF of Germany,and Dow of the United States to establisha stable and reliable high-quality supplynetwork and a mature logistics system toensure timely and safe delivery of
products.

4

Deep Win-Win CooperationConcept

Adhering to the concept of "integrity.immediate action, professionalism,innovation and win-win" and taking"customer success and altruism" as ourmission, we are committed to establishinglong-term strategic partnerships andcreating a better future through excellentproducts and services.

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