Photo base generators

WPBG-165

Cas : 1292812-05-5

Plastics manufacturing

Photocurable

  • Can introduce PBG into polymer by radical polymerization since it has a polymerizable methacrylic group.
  • Has excellent solubility
  • Generates 4-methacyloxypiperidine of secondary amine by light irradiation.
Molecular formula
Chemical name 2-Nitrophenyl methyl 4-methacryloyloxy piperidine-1-carboxylate
CAS RN® 1292812-05-5
Molecular weight 348.35
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Physical characteristics

Color
Appearance		 white - light yellow
powder
Melting point/freezing point 53℃
Solubilities water : slightly soluble.
acetone, 1-methyl-2-pyrrolidone : freely soluble.
methanol : soluble.
TG-DTA weight loss from 219℃
Solubility (g/solv. 100 g)
  • NMP＞100
  • GBL＞100
  • PGMEA＞100
  • Acetone＞100
  • Ethyl lactate10
  • PGME10
  • Methanol10
  • H2O<0.5

UV(0.02 mg/mL in CH3CN)

Absorption spectrum of WPBG-165

Absorption maximum
258 nm(ε=6400)　254 nm(ε=6300)　365 nm(ε=200)

※When used in combination with a sensitizer, it shows photosensitivity even in the long wavelength region.

Related laws and regulations

TSCA Not Listed
EINECS Not Listed
REACH Not Listed
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