YISORB^® UV-571

• Chemical Name:

  2-(2H- benzotriazol-2-yl)-6-(dodecyl)-4-methylphenol

• Molecular Formula:

  C₂₅H₃₅N₃O

• Molecular Weight:

  394

• CAS :

  125304-04-3

• Appearance

  Yellow or yellowish-brown transparent liquid 1.5250 - 1.5550

• Assay (%)

  ＞98

• Color (Gardner)

  ＜8

• Specific Gravity (25℃)

  0.970-1.030

• Volatility (%)

  <2.0

• Ash Content (%)

  <0.1

• Refractive Index (25℃)

  1.5400-1.5700

• Light Transmittance (%)

  450nm:﹥90
  500nm:﹥95

• Weight Loss (%)

  1

  2

  5

• Temperature (℃)

  214

  231

  253

YISORB^® UV-571 is a liquid benzotriazole ultraviolet absorber. It can absorb the UV band range 300—400nm. It has high compatibility, low volatility and high absorptivity to various polymers. YISORB^® UV-571 can be applied in thermoplastic, PUR, coating and integral foams, rigid and plasticized PVC, PVB, PMMA, EVA, hot cured unsaturated polyesters and spin finishes for PA, PET and PP fibers. It's also suitable for latex, wax, adhesives, styrene polymer, elastomer and polyolefins.