CHLUMIUV® UV-531 / Benzophenone-12(BP-12) / CAS 1843-05-6

Chemical Name:[2-Hhydroxy-4-(octyloxy)phenyl]phenylmethanone;2-HYDROXY-4-N-OCTOXYBENZOPHENONE

Cas No.:1843-05-6

Synonym:Octabenzone;Eversorb 12;Benzophenone-12;BP-12;Chimassorb(R) 81;Chisorb BP-12;Cyasorb UV-531 Light Stabilizer;FENTASORB 531;K.SORB 81;Uvinul 3008;Tinuvin 531

Structure:

Appearance: Light yellow crystalline powder or flake

Content: ≥99%(HPLC)

Description

UV-531 CAS 1843-05-6

Melting point 47-49℃
Ash ≤0.1%
Volatile ≤0.5%
Transmittance 440nm≥95%,500nm≥97%

 

UV-531 Application

UV-531 is suitable for polyethylene, polypropylene, polystyrene, AS resin, ABS resin, polycarbonate, polyvinyl chloride, polyvinylidene chloride, polyester and polyamide.

lcsorb®UV-531 is an excellent ultraviolet absorber for colleges and universities, which can effectively absorb ultraviolet light at 270-340nm. It has the characteristics of light color, non-toxic, good compatibility, low migration and easy processing.

lcsorb®UV-531is suitable for polyethylene, polypropylene, polystyrene, AS resin, ABS resin, polycarbonate, polyvinyl chloride, polyvinylidene chloride, polyester and polyamide.

 

UV-531 Add amount

Styrene Polyethylene Polypropylene ABS resin Polyvinyl chloride
0.2-0.5% 0.2-0.4% 0.5% 0.3-0.5% 0.25-0.5%

 

 

 

UV-531 Storage

Being kept in dry, clean warehouse with well ventilation.
Avoid exposing to light and heating for prevention of oxidation.
Protecting the product from leakage, rain and insolation during transportation.

Other Name:

Benzophenone 12;
BP-12;
CAS 1843-05-6;
Octabenzone;
UV 531;
Chisorb BP-12;
Cyasorb UV-531;
FENTASORB 531;

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UV-531 Application scenarios

1. Polyolefin Materials:

Used in polyethylene (PE), polypropylene (PP), etc., to prevent degradation, embrittlement, and discoloration under sunlight. Suitable for various products such as films, pipes, and injection molded parts.

2. Polyvinyl Chloride (PVC) Products:

Suitable for both flexible and rigid PVC, such as plastic doors and windows, wires and cables, films, and artificial leather, improving UV aging resistance and delaying performance degradation.

3. General-Purpose and Engineering Plastics:

Applied to polystyrene (PS), polycarbonate (PC), polymethyl methacrylate (PMMA), polyesters, polyamides, etc., reducing yellowing, cracking, and loss of mechanical properties caused by ultraviolet light.

4. Paints and Coatings:

Added to automotive coatings, architectural coatings, industrial anticorrosive coatings, powder coatings, polyurethane coatings, etc., to enhance coating weather resistance, prevent discoloration, chalking, and loss of gloss, and extend service life.

5. Rubber Products:

Used in polyurethane rubber, synthetic rubber, etc., such as seals, conveyor belts, and hoses, to improve UV aging resistance and slow down the aging process.

6. Fibers and Textiles:

Used in polypropylene fibers, ethylene-vinyl acetate (EVA) fibers and textiles, such as outdoor fabrics and sunshades, to prevent fading and embrittlement caused by sunlight, maintaining strength and appearance.

7. Other Resin Products:

Suitable for cellulose plastics, unsaturated polyesters, epoxy resins, etc., protecting materials from UV damage during processing and use.

8. Electronics and Photovoltaic Applications:

Can be used in insulating plastics for electronic components and encapsulation materials for organic solar cells (OSC), improving material photostability and service life.

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