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

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  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: 70321-86-7 Ultraviolet absorbent UV-234
  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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