UV Absorber BP-8 CAS 131-53-3

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CAS:131-53-3

Molecular Formula:C14H12O4

Molecular Weight:244.24

EINECS:205-026-8

UV Absorber BP-8 CAS 131-53-3 is an ultraviolet absorbent, which is suitable for polyvinyl chloride, ABS resin, acrylic resin, polyurethane, melamine resin, cellulose resin and many other plastics.Enzophenone-8 is light yellow powder, freezing point 68℃, boiling point 170-175℃, relative density 1.382, insoluble in water.Specification

Item	Specification
Melting point	73-75 °C(lit.)
Boiling point	170-175 °C1 mm Hg(lit.)
Density	1.2379 (rough estimate)
Vapor pressure	0-0Pa at 20-25℃
Refractive index	1.5389 (estimate)
Acidity coefficient (pKa)	7.11±0.35(Predicted)
LogP	2.33 at 23.5℃

1. Plastics & Engineering Resins

UV absorber BP-8 is widely used in PVC, ABS, acrylic resins, polyurethane, and cellulose resins to improve their weather resistance and reduce yellowing caused by ultraviolet radiation. As one of the professional products offered by Unisunchem Chemical, it is suitable for various outdoor polymer applications.

2. Coatings & Industrial Paints

BP-8 provides superior UV protection for industrial coatings, wood coatings, and outdoor coatings, helping to maintain gloss and color stability. It can also be used in conjunction with the photoinitiator TPO in UV-cured coating systems.

3. Adhesives & UV-Curable Systems

This product is suitable for UV-curable adhesives and resin systems to enhance durability and outdoor stability. BP-8 works efficiently with various UV Curing Monomer materials in UV formulations.

4. Cosmetic & Personal Care Formulations

BP-8 can also be used in sunscreen and cosmetic formulations requiring UVB absorption and improved photostability. It is compatible with many cosmetic-grade UV filters such as Ethylhexyl Triazone EHT.

1.Excellent UV Protection

UV Absorber BP-8 effectively absorbs ultraviolet light in the UVB range, helping protect polymers and coatings from degradation and discoloration.

2.Good Compatibility

It shows excellent compatibility with PVC, polyurethane, acrylic resin, and other polymer systems, making it suitable for many industrial applications.

3.Enhanced Weather Resistance

BP-8 helps reduce cracking, gloss loss, and yellowing in outdoor environments. It can also be combined with Light Stabilizer Products to further improve long-term stability.

4.Suitable for UV-Curing Systems

The product performs well in UV-curable coatings, inks, and adhesives when used together with Photoinitiator 819 or Photoinitiator TPO.

5.Broad Industrial Applications

BP-8 is widely used in plastics, coatings, cosmetics, adhesives, and UV-curing industries. You can explore more related materials in our All Products page.

25kg/drum or according to customer requirements.

1.What is UV Absorber BP-8 used for?

UV Absorber BP-8 is mainly used in plastics, coatings, adhesives, and cosmetic formulations to prevent UV-induced degradation and improve durability. You can explore more similar materials in our UV Absorber Products collection.

2.Is BP-8 suitable for polyurethane systems?

Yes. BP-8 has excellent compatibility with polyurethane and acrylic resin systems and is commonly used in UV-resistant coatings and plastics.

3.Can BP-8 be used with photoinitiators?

Yes. BP-8 can work together with Photoinitiator TPO and Photoinitiator 819 in UV-curable systems to improve weather resistance and long-term stability.

4.Which industries commonly use BP-8?

BP-8 is widely used in coatings, plastics, inks, adhesives, and personal care industries. More chemical solutions are available on the Unisunchem website.

5.Why choose Unisunchem UV absorbers?

Unisun Chem provides high-quality UV absorbers with stable supply, professional technical support, and customized application solutions for global customers.