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UV absorber UV-327

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  Post Date: Jul 31,2017
  Expiry Date: Jul 31,2018
  Detailed Description: Cas No. :3864-99-1

　　emily@bohanchem.com

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　　UV-327

　　Chemical name : 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole

　　Introduction : UV-327 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-327 is recommended in a variety of polymers and organic substrates, including acrylic polymers, polycarbonate, polyesters, styrene homo- and copolymers, unsaturated polyesters, polyvinyl chloride, polyolefins, polyvinyl butyral, elastomers, and adhesives.

　　CAS NO : 3864-99-1

　　Physical Properties

　　Molecular Weight : 357.9

　　Appearance : slight yellow powder

　　Melting Range : 154-157°C

　　Flashpoint : 234°C

　　Specific Gravity(20°C) : 0.37g/cm3

　　Transmissirity:

　　460nm≥97 %

　　500nm≥98%

　　Solubility At 20°C (g/100ml solvent)

　　Solvent SolubilityAcetone 1%Benzene 16%Chloroform 19%Cyclohexane 5.0%Ethyl Acetate 5.0%n-Hexane 4.0%Methanol <0.1%Methylene Chloride 17%Water <0.01%

　　Applications

　　1. Unsaturated Polyester : 0.2-0.5wt% based on polymer weight

　　2.PVC:

　　Rigid PVC : 0.2-0.5wt% based on polymer weight

　　Plasticized PVC : 0.1-0.3wt% based on polymer weight

　　3.Polyurethane : 0.2-1.0wt% based on polymer weight

　　4.Polyamide : 0.2-0.5wt% based on polymer weight

　　Packing: 25kg paper drum or carton

　　Bohanchem offers plastic additives ( chemical additives) such as optical brightener ( optical brightening agent, fluorescent whitening agent) , UV absorber ( UV absorbent) , light stabilizer ( light stabilizing agent, UV stabilizer, UV stabilizing agent) , antioxidant, pigment.

　　Polymerization retarder: 701 ( 4-hydroxy-TMHPO, TEMPO)

　　Fluorescent whitening agent: OB, OB-1, KCB, FP-127, KS, NFW

　　UV absorbers: UV-0, 531( BP-12) , UV-9, UV-P, 326, 327, 328, 329( 5411) , UV-T, 234, 571, 320

　　Antioxidant : 1010, 1076, 168, 264, 1098, 2246, 300, 311, B102, DLTP, DSTP, B215, B225, B900

　　Light stabilizer: 622, 770, 944, 802

　　Pigments: red 122, red 254, violet 19, violet 23, yellow 110, yellow 138, titanium dioxide


  CAS Registry Number:

3864-99-1
  Synonyms: ;2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol;Ultraviolet Absorbent UV-327;Dibutylhydroxyphenylchlorobenzotriazole;2-(3,5-Di-tert-butyl-2-hydroxyphenyl)-5-chloro-2H-benzotriazole;UV-327;2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole;2-(2'-Hydroxy-3',5'-di-tert-Butyl Phenyl)-5-Chloro Benzotriazole;BHSORB-327;UV absorber-327;UV absorber UV-327;Ultraviolet absorberUV-327;4,6-Di-tert-butyl-2-(5-chloro-2H-benzotriazol-2-yl)-phenol;UV 327;2-(2'-Hydroxy-3',5'-di-t-butylphenyl)-5-chlorobenzotriazole;Chloro(Di-Tert-Butyl-HydroxyPhenyl)-Benzotriazole;
  Molecular Formula: C20H24ClN3O
  Molecular Weight: 357.8771
  Molecular Structure: 3864-99-1 2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol
  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R36/37/38:;
  Safety Description: S26:;
S36:;

  Company: NANJING BOHAN IMPORT&EXPORT TRADING CO.,LTD.     [ China ]        
  Contact: Emily
  Tel: +86-25-68520836
  Fax: +86-25-68520800
  Email: emily@bohanchem.com
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