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    UV Absorbers Current Position: home > UV Absorbers
    Product: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.

    Details:
    Molecular formula: C20H24N3OCl
    CAS NO : 3864-99-1
    Structure :

    Properties:

    Molecular Weight : 357.9  Appearance : slight yellow powder

    Melting Range : 154-157 °C

    Transmittance (%) : 460nm≥95  500nm≥98

    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:UV-327 is available in powder form in a 25 kg  fiber drum or 25kg carton with an inner PE liner.

     
     
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        Intermediates
    -Biphenyl
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    -Terephthalaldehyde
    -4-chloro phenol
    -2-aminophenol
    -m-Toluic acid
    -o-Toluic acid
    -4-tert-Butylbenzoic acid
    -4-methylbenzene methanol
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    -2-Trifluoromethylthioxanthone
    -Decahydronaphthalene
    -p-Toluoyl Chloride
    -Benzaldehyde-2-sulfonic acid sodium
    -p-Tolunitrile
    -m-Tolunitrile
    -o-Tolunitrile
    -1,2,3,4-Tetrahydronaphthalene
    -4-Formyl Benzoic Acid
    -1,4-Bis(chloromethyl)benzene
    -4-Benzyloxycinnamic acid
    -4-tert-Butylbenzoic acid
    -1,2,3,5-Tetraacetyl-B-D-Ribofuranose
    -m-Phthalaldehyde
    -3,4-Dihydroxybenzoic acid
    -4,4'-Dihydroxy benzophenone
    -P-Terphenyl
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    -2-Iodobenzoic acid
    -4,4'-Oxydianiline
    -Isophthaloyl dichloride
    -Terephthaloyl Dichloride
    -o-Toluoyl Chloride
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    -2,4-Dihydroxy benzophenone
    -2,5-Dihydroxy toluene
    -2,6-Difluoroaniline
    -2,6-Difluorobenzamide
    -2,6-Difluorobenzonitrile
    -Nitrogen trifluoride
    -1,3-cyclohexanedione
    -2-Bromo-6-Cyanopyridine
    -2-Bromophenyl Methyl Sulfide
    -2-Bromophenyl Methyl Sulfone
    -2-Bromophenyl methyl sulfoxide
    -2-Chloro-5-nitro benzoic acid
    -2-Chloro-6-nitrotoluene
    -2-Methylamino-5-chlorobenzophenone
    -5-chloro-2-methyl aniline
    -2-chlorobenzaldehyde
    -4,4'-Dibromobiphenyl
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    -4,4'-Bis(methoxymethyl)- 1,1'-Biphenyl
    -4,4'-Bis(hydroxymethyl)biphenyl
    -Biphenyl-4,4'-dicarboxylic Acid
    -p-Terphenyl
    -4,4'-Dimethylbiphenyl
    -4,4'-Biphenyldicarboxaldehyde
    -4-Biphenyl acetic Acid
    -4-Hydroxy-(1,1'-biphenyl)-4'-carboxylic acid
    -4-phenoxyphenol
    -4-Cyanobiphenyl
    -4-Biphenylcarboxaldehyde
    -4-Phenylbenzoic acid
    -4-Bromophenyl methyl sulfone
    -4-Bromophenyl methyl sulfoxide
    -4-Chloro benzophenone
    -4-Hydroxy benzophenone
    -4-Hydroxycinnamic acid
    -4-Hydroxycoumarin
    -4-(methylamino)benzoic acid
    -4-Nitroaniline
    -4,4'-Stilbene dicarboxylic acid
    -2- Methylnaphthalene
    -BIS(pinacolato)diboron
    -Coumarin
    -2-Cyanobenzyl chloride
    -Ethyl-(s)-4-chloro-3-hydroxybutyrate
    -Pentafloroiodine
    -Trifluoromethanesulfonic anhydride
    -Trifluoromethanesulfonic acid
    -2,6-Dichlorotoluene
    -o-tert-Butylphenol
    -O-Methyl benzoquinone
    -4-Acetylbiphenyl
    -p-tert-Butylphenol
    -2,6-DI-TERT-BUTYLPHENOL
    -2,4-Di-tert-butylphenol
    -7-APRA
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    -LS 770
    -LS 783
    -LS 791
    -LS 944
    -avobenzone
     

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