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UV ABSORBER UV 329 CAS NO.3147-75-9

Inquiry
  Post Date: Jul 07,2022
  Expiry Date: Jul 07,2023
  Detailed Description: Cas No. :3147-75-9 Quantity: 50Metric Tons
Price:Negotiable USD Kilograms
Payment Method: T/T,L/C,D/P
Chemical name: 2- (2'-Hydroxy-5'-tert-octylphenyl)benzotriazole
CAS No.：3147-75-9
Molecular formular：C20H25N3O
Molecular weight：323
Molecular structure




Specification
Appearance: White powder
Melting point，℃：103-105
Assay (HPLC), %: ≥99
Ash, %: ≤0.1
Loss on drying, %: ≤0.3
Transmittance 450nm≥98%
500nm≥99%

Solubility (20℃, g/100ml solvent)
Acetone:9 Benzene:32 Chloroform:37 Ethyl acetate:15 n-Hexane:6
Methanol:0.6 Methylene chloride:38 Water＜0.01

Application
UV ABSORBER HOSORB-329 is excellent benzotriazole ultraviolet absorbent with effective absorption of ultraviolet radiation in 270-380 nm region. It is suitable for polyester, rigid PVC, PS, PMMA, PC, ABS resin etc. It is particularly suitable for the protection of polycarbonates. In transparent products and high temperature processing of engineering plastics, its effect is excellent. It can also be used for polyolefin.


Packing
25kg/fiber drum; 25kg/carton, or as per customer’s request.


Storage
Containers should be kept tightly closed when not in use. Store it in a dry, cool, well-ventilated shady place.


Recommended Dosage
Unsaturated Polyester : 0.2-0.5%
Rigid PVC : 0.2-0.5%
Plasticized PVC : 0.1-0.3%
Polyurethane : 0.2-1.0%
Polyamide : 0.2-0.5%

  CAS Registry Number:

3147-75-9
  Synonyms: ;Octrizole;2-benzotriazol-2-yl-4-(1,1,3,3-tetramethylbutyl)phenol;2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole;UV-329;2-(2'-Hydroxy-5'-(1,1,3,3-tetramethylbutyl)phenyl)benzotriazole;Cyasorb 5411;Tinuvin 5411;Primesorb5411;2-(2'-Hydroxy-5'-tert-Octyl Phenyl)-Benzotriazole;BHSORB-329;2-(2'-hydroxy-5-tert-octylphenyl) benzotriazole;2-(2'-HYDROXY-5'-TERT-OCTYLLPHENYL)Benzotriazole;2-(2'-HYDROXY-5'-TERT-OCTYL PHENYL) Benzotriazole;LABOTEST-BB LT00053579;EUSORB 323;TINUVIN 329;UV absorber-329;2-(2H-benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol;Ultraviolet absorberUV-329;2-(2H-Benzotriazol-2-yl)-4-tert-octylphenol;Ultraviolet absorbent UV-329;UV 329;UV-5411;
  Molecular Formula: C20H25N3O
  Molecular Weight: 323.432
  Molecular Structure: 3147-75-9 2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol
  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R36/37/38:;
  Safety Description: S26:;
S37/39:;

  Company: Guangzhou Chengshuai New Material Co.,Ltd.     [ China ]        
  Contact: David
  Tel: 862034708468
  Fax:
  Email: info@hhochem.com
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