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WPBG-266

WPBG-266

932-12306

Packaging Size: 5 g

1,2-Diisopropyl-3-[Bis (dimethylamino)methylene]guanidium2-(3-benzoylphenyl)propionate

CAS No.: 1632211-89-2

WPBG-266 is a photo base generator which can be used for a variety of applications. It generates... more

Product information

WPBG-266 is a photo base generator which can be used for a variety of applications. It generates a strong base biguanide (pKa=31.8) by photoirradiation and is soluble in various solvents. WPBG-266 is ideal for photocrosslinking of epoxy resin in a short time.

In photo polymerization processes such as UV and near UV photocure, WPBG products are not subject to inhibition by the oxygen in the air like photo radical generators. They are less likely to cause corrosion problems and the denaturation of cured films like photo acid generators.

The photo generators of the WPBG series generate bases of various basicity, which provide different curing speed and photo-sensitivity. Various grades of WPBG products from high quality, high purity (HP) to general-purpose grades are available.

Chemical Name

1,2-Diisopropyl-3-[Bis (dimethylamino)methylene]guanidium2-(3-benzoylphenyl)propionate

CAS No.: 1632211-89-2

Molecular weight: 495.67

Physical characteristics

Appearance White powder
Melting/freezing point 115° C
Solubility

Freely soluble in water, acetone, methanol and 1-methyl-2-pyrrolidone
Soluble in PGMEA (1-nethoxy-2-propyl acetate)

Main Applications

  • Photo curable coatings and resin glazing
  • Adhesives and optical encapsulates
  • Solder resist

Storage

Store below 25° C. Keep away from heat, hot surfaces, sparks, open flames and other ignition sources and take precautionary measures against static discharges. 

For specific information on the safe handling of the product, please refer to the material safety data sheet (MSDS) which is available on request.

Safety Information

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Serious Health Hazard
For specific information on the safe handling of the product, please refer to the material safety data sheet (MSDS) which is available on request.

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