Technical datasheet

Irgacure® 1870

Supplied byBASF- Last Updated on Mar 26, 2026

Irgacure® 1870 by BASF is a blend of bis (2,6-dimethoxybenzoyl)-2,4,4-trimethyl pentylphosphineoxide and of 1-hydroxy-cyclohexyl-phenyl-ketone. Designed for reactive and radiation-curing adhesives. Irgacure® 1870 is used as a photoinitiator.
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For which system

Reactive Systems|
Adhesives|
Radiation Curing (UV/EB) Adhesives

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Irgacure® 1870 properties

Other properties

PropertiesValue & unitTest conditionTest method
1-Hydroxy-cyclohexyl-phenyl-ketone0.0 Visible After LoginVisible After LoginVisible After Login
Bis (2,6-dimethoxybenzoyl)-2,4,4-trimethyl pentylphosphineoxide0.0 Visible After LoginVisible After LoginVisible After Login
Melting Point0.0 Visible After LoginVisible After LoginVisible After Login
Solubility PropertiesElementConditionMethod
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