UV ABSORBER UV 234 CAS NO.70321-86-7

• Post Date:

  Jun 18,2020

• Expiry Date:

  Jun 18,2021

• Detailed Description:

  Cas No. :70321-86-7 Quantity: 10000Kilograms
  Payment Method: T/T
  Chemical name: 2-[2'-hydroxy-3',5'-bis(-dimethyl benzyl)-phenyl]benzotriazole
  
  CAS No.:70321-86-7
  Molecular formula:C30H29N3O
  Molecular weight: 447.6
  
  Appearance: Light yellow powder
  Purity, %: ≥ 99
  Melting point,℃:139.5-141
  Volatile matter, %: ≤ 0.5
  Ash, %: ≤ 0.05
  Transmittance 450nm≥97%
  500nm≥98%
  
  
  UV ABSORBER Yistab UV-234 is a high molecular weight ultraviolet light absorber (UVA) of the hydroxyphenyl benzotriazole class. It has low volatility at high temperatures and high resistance to thermal degradation for compounding and molding applications. It is highly effective for polymers processed at high temperature such as polycarbonate, polyester, polyacetal, PPO, polyamide, aromatic copolymers, thermoplastic polyurethane and polyurethane fibers etc.. It is also useful in the light stabilization of powder coatings and solvent-based coatings.

• CAS Registry Number:

  70321-86-7

• Synonyms:

  ;UV-234;2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol;2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1 phenylethyl)phenol;UV absorber-234;2-(2H-benzotriazol-2-yl)-4,6-bis(2-phenylpropan-2-yl)phenol;3,3'-(3,3'-dimethoxybiphenyl-4,4'-diyl)bis(2,5-diphenyl-2H-tetrazol-3-ium) dichloride - 1H-benzotriazole (1:1);UV Abosorber 234;UV 234;Hydroxy-Bis(Dimethyl-benzyl)-Phenyl-Benzotriazole;

• Molecular Formula:

  C₄₆H₃₇Cl₂N₁₁O₂

• Molecular Weight:

  846.7645

• Molecular Structure:

  

• Hazard Symbols:

   Xi:Irritant;
  

• Risk Codes:

  R36/37/38:;
  

• Safety Description:

  S26:;
  S36:;
  

• Company:

  Zhiyi Specialty Chemicals Co.,Ltd.     [ China ]        

• Contact:

  Jason Liu

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  +86-0751-6925089

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