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UV absorber-P

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  Post Date: Jul 07,2025
  Expiry Date: Jan 03,2026
  Detailed Description: Cas No. :2440-22-4

CAS No. [2440-22-4]
Chemical name: 2-(2-hydroxy-5-methylphenyl)benzotriazole
Molecular formula: C13H11N3O
Molecular weight: 225.3
Specification:
Appearance: white to light yellow powder
Assay: 99% min.
Melting point: 128.0-132.0癈
Loss on drying: 0.5% max.
Ash: 0.1% max.
Transmittance:
at 440nm: 97% min.
at 500nm: 98% min.
Packing: 20/25kg fiber drum
Usage:
As the ultraviolet absorption agent, it is available to polyester, epoxy, cellulose acetate, PVC, polystyrene, plexiglass and polyacrylonitrile resin etc. The maximum absorbing wavelength range is 270-380nm.

Molecular structure:


  CAS Registry Number:

2440-22-4

  Synonyms: ;2-(2-Benzotriazolyl)-p-cresol;UV-P;2-(2-Benzotriazolyl)-4-methylphenol;2-(2-Hydroxy-5-methyl-phenyl)benzotriazole;Drometrizole;Benazol P;Tinuvin P;PrimesorbP;Ultraviolet absorber UV-P;UV absorber-P;UV absorber UV-P;2H-benzotriazole;2-(2H-benzotriazol-2-yl)-4-methylphenol;4-methyl-2-(7,8,9-triazatricyclo[4.3.0.07,9]nona-1,3,5-trien-8-yl)phenol;2-(2H-Benzotriazol-2-yl)-p-cresol;Ultraviolet absorbent UV-P;UV P;Ultraviolet light absorber UV-P;UV Abosorber UV-P;
  Molecular Formula: C13H11N3O
  Molecular Weight: 225.2459
  Molecular Structure: 2440-22-4 2-(2'-Hydroxy-5'-methyl-phenyl)benzotriazole
  Safety Description: S22:;
S24/25:;

  Company: STAR CHEMICALS AND CATALYSTS CO,.LTD.     [ China ]          
  Contact:
  Tel: +86-571-88086639
  Fax: +86-571-88085659
  Email: info@star-chemicals.com
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