Products - San Apro

Sulfonium Series

CPI®-100 / 200series UV
UV light / i-line

CPI-100P(liquid)
CPI-110P(powder)
CPI-100B(40)(liquid)
CPI-110B(powder)
CPI-101A(liquid)
CPI-200K(liquid)
CPI-210S(powder)
cation
(light-absorbing site)

CPI®-300series
i-line

CPI-310FG(powder)
CPI-310B(powder)
cation
(light-absorbing site)

VC-1 VC-2 Series (development product)
i-line

VC-1FG(powder)
cation
(light-absorbing site)

CPI®-400series
g-line / h-line/ i-line

CPI-410S(powder)
CPI-410B(powder)
cation
(light-absorbing site)

ES-1 (development product)
ES-2 (development product)
g-line / h-line/ i-line

ES-1B(powder)
ES-2B(powder)
cation
(light-absorbing site)

Photoacid Generator(Iodonium)
IK Series

IK-1(powder)
IK-1FG(powder)
cation
(light-absorbing site)

IK-20B(powder)
cation
(light-absorbing site)

Nonionic Photoacid Generator

NAseries
(development product)
i-line compatible

NA-CS1(powder)
Aryl amide skeleton with
a light-absorbing moiety

Thermal acid generator

Thermal acid generator(Overview and Function Map)

TA Series(Sulfonium Salt Type)

TA-100(powder)
TA-100FG(powder)
cation

IKseries(Iodonium Salt Type)

IK-1(powder)
IK-1FG(powder)
cation

AAseries(Ammonium Salt-Type)

AA-01(powder)
cation

IK-20B(powder)
cation

Thermal Base Generators

DBU Salt Thermal Base Generators

DBU Salt

U-CAT SA 1(liquid)
U-CAT SA 102(liquid～solid)
U-CAT SA 603(solid)
U-CAT SA 810(solid)
U-CAT SA 506(liquid～solid)

Ammonium Salts

U-CAT 18X(liquid～solid)

Product Information

San-Apro was the first company in the world to successfully industrialize strong basic organic compounds in 1967. We are developing products that meet all kinds of needs, including photo acid generators, thermal base generators, thermal acid generators, and super strong bases.

Product Keyword Search

Photoacid Generator(Photo-initiator for cationic polymerization)

CPI® Series,IK Series Acid generator/UV

Acid generator/UV The “CPI® and IK Series” are triaryl sulfonium salt-type photoacid generators (photo-initiators for cationic polymerization) manufactured using our own proprietary production method. While conventional products contain large amounts of bis-sulfonium salts, the CPI® and IK Series have high purity monosulfonium salts, so they have excellent solubility in organic solvents and matrix resins, and they have excellent one-component storage stability in cationic polymerizable compositions such as epoxy resins

List of Photoacid Generators Acidity/Recommended Wavelength Function MAP

Heat base generator

U-CAT SA®, U-CAT®series Base generator/Heat

DBU®, DBN There are products that have been given heat latent properties by combining them with various organic acids. Please select the most suitable product according to your intended use.

Thermal base generator
Product list

Heat acid generator(Heat cationic polymerization initiator)

TA, IK, AA series Acid generator/Heat

They are used in thermal cationic curing adhesives and coatings in the fields of electronic materials and optical materials. In addition to being highly active, we are also developing our own original products with even higher functionality.

List of thermal
acid generators Acidity/recommended
temperature function map

Super Strong Base

DBU® and DBN Base generator

DBU® and DBN are organic compounds that exhibit extremely strong basicity. They are highly compatible with various solvents and are useful as catalysts for many organic synthesis reactions. They can be used to improve reaction yield and selectivity under milder conditions than those required for conventional tertiary amines or inorganic basic catalysts. They are also used as catalysts for various polymerization and cross-linking reactions.

List of Super Strong Base

We also offer technical advice

Thank you for considering our products.
We provide support for product development by offering product characteristics, data and technical information to solve the challenges faced by product developers and researchers.

Product Inquiry Technical Consultation Other Consultation/Inquiries

In recent years, there has been a worldwide tightening of regulations on per- and polyfluoroalkyl substances (PFAS), and we are focusing on the development of PFAS-free products to ensure that our customers can use them with peace of mind. Please also make use of our existing lineup of PFAS-free products.

*PFAS: OECD definition published in2021