Omnirad ITX

IGM Resins USA Inc.

IGM Resins USA Inc. · Omnirad

Omnirad ITX is a highly effective type II photoinitiator used in combination with tertiary amine synergists to initiate radical polymerization of unsaturated oligomers such as acrylates upon exposure to UV light. It is typically used in UV curable coatings, adhesives, inks, and photoresist formulations for substrates like paper, wood, metal, plastics, and glass.

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Specifications

Identifiers

Chemical name
2-Isopropyl-9H-thioxanthen-9-one
CAS number(s)
5495-84-1
EC number
226-827-9
Molecular formula
C16H14OS
InChI key
KTALPKYXQZGAEG-UHFFFAOYSA-N
INCI name
2-Isopropylthioxanthone
Synonyms
2-Isopropylthioxanthone, 9H-Thioxanthen-9-one, 2-(1-methylethyl)-, Free Radical Photoinitiator - Type II

Technical specifications

Properties

PropertyValueUnit
Physical StateSolid-
AppearancePowder-
ColorWhite; light yellow-
Melting Point74.9 - 75.7°C
Boiling Point411 - 414°C
Vapor Pressure0 (at 25°C)Pa
Molecular Weight254.35g/mol
Water Solubility0.00034 (at 20°C)g/L
Partition Coefficientlog Pow 5.59 (at 20°C)-

Specifications

Test ConditionSpecificationValueUnitTest Method
-AppearancePale Yellow Powder (Pass)-Visual
-Purity≥ 99.0%GC Analysis
-Volatiles≤ 0.2%Loss on Drying
-Melting Range70 - 76°CMelting Point Apparatus
-Shelf LifeDurable for at least 24 months--
Industries
CASECeramics & glassElectronics & ElectricalFurniture & WoodPackaging & PrintingPaints & CoatingsPlastics & RubberPulp & Paper
Product groups
PhotoinitiatorsCoating Additives
Applications
Radiation-curable coatingsUV-curable inks
Functions
PhotoinitiatorCuring agent
Market segments
Printing inks & coatingsProtective coatings

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