Omnipol BP

IGM Resins USA Inc.

IGM Resins USA Inc. · Omnipol

Omnipol BP is a difunctional benzophenone photoinitiator designed for use in inks and coatings requiring low migration and low volatility. It is particularly suited for use in combination with amine synergists and non-pigmented coatings as an alternative to benzophenone. It is effective in UV curable coating and ink formulations, especially for sensitive food, drug, and cosmetic packaging.

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Specifications

Identifiers

Chemical name
Di Ester of Carboxymethoxy-benzophenone and Polytetramethyleneglycol 250
CAS number(s)
515136-48-8
EC number
683-323-5
Molecular formula
(C4H8O)n.C30H22O7
Synonyms
Difunctional Benzophenone Photoinitiator, Poly(oxy-1,4-butanediyl), α-[(4-benzoylphenoxy)acetyl]-ω-[[(4-benzoylphenoxy)acetyl]oxy]-, Polymeric Photoinitiators

Technical specifications

Properties

PropertyValueUnit
Physical StateLiquid-
AppearanceViscous-
ColorBrown-
Molecular Weight826 Dalton (average)-
Boiling Point> 250 (Estimated)°C
Flash Point> 100 (Estimated)°C
Relative Density1.08-
Water SolubilityInsoluble-
Dynamic viscosity1400 - 2200 (at 50°C)mPa s

Specifications

Test ConditionSpecificationValueUnitTest Method
-AppearancePale Yellow to Dark Brown Viscous Liquid (Pale)-Visual
-Di Ester Content≥ 94%HPLC Analysis
-Mono Ester Content≤ 5%HPLC Analysis
-CMBP Content≤ 0.1%HPLC Analysis
-HBP Content≤ 0.1%HPLC Analysis
-Toluene Content< 0.1%HS-GC Analysis
at 50 °CViscosity1400 - 2600mPa.sBrookfield
-Shelf LifeDurable for at least 24 months--
Industries
CASEPackaging & PrintingPaints & Coatings
Product groups
PhotoinitiatorsCoating Additives
Applications
Food packagingUV-curable inksCosmetic packagingDrug packaging
Functions
Photoinitiator
Market segments
Printing inks & coatingsPackaging coatingsFood packaging

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