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Shanghai Sunwise Chemical Co., Ltd.

Ultra Violet, CAS No. 3896-11-5, Absorber manufacturer / supplier in China, offering CAS No. 3896-11-5 Ultra Violet Absorber; UV 326, 5-Methyl-1h-Benzotriazole 99% Powder CAS: 136-85-6, Light Stabilizer CAS No. 1843-05-6; UV 531 and so on.

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CAS No.  3896-11-5 Ultra Violet Absorber; UV 326

FOB Price: US $1-100 / kg
Min. Order: 1 KG
Min. Order FOB Price
1 KG US $1-100/ kg
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Production Capacity: 20mts/Month
Transport Package: in 15kgs Net Kraft Paper Bag
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: other chemical
  • Purity: 99.0% Min
  • Volatiles: 0.50% Max
  • Transmittance 460nm: 97.0% Min
  • Origin: China
  • Appearance: Light Yellow Powder or Granular
  • Melting Poin: 138.0 Temprature
  • Residue on Ignition: 0.05% Max
  • Trademark: SWE
Product Description
      uv-326 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-326 is especially suited for polyolefins and cold cured polyesters. It protects polymers from UV radiation helping to preserve the original appearance and physical integrity, especially for polyolefins and polyester resins.

Product Name       UV 326
Synonyms              2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzortriazole
Molecular Formula  C17H18N3OCl
Molecular Weight   315.8
CAS Number           3896-11-5
EINECS/ELINCS       223-445-4

Appearance            light yellow powder or granular
Melting Range        138-141 °C
Flash Point              229 °C
Specific Gravity      0.37g/cm3 at 20 ºC
Stability                   stable under ordinary conditions

Appearancelight yellow powder or granular
Purity 99.0% min
Melting point138.0ºC min
Volatiles0.50% max
Residue on ignition0.05% max
Transmittance 460nm 97.0% min
Transmittance 500nm98.0% min
Recommended application and dosage:
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 and Storage
Packing    In 15kgs net kraft paper bag, 6mts onto 20 pallet in 20Fcl, or in 20kgs drum
Storage    Keep tightly closed and store in cool and dry place
Safety Information
Non-hazardous for air, sea and road freight.
CAS No. 3896-11-5 Ultra Violet Absorber; UV 326
CAS No. 3896-11-5 Ultra Violet Absorber; UV 326
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