CAS:5495-84-1
Molecular Formula:C16H14OS
Molecular Weight:254.35
EINECS:226-827-9
Products
2-Isopropylthioxanthone CAS 5495-84-1
2-isopropyl thioxanthrone is a highly effective UV curing initiator.2-isopropyl thioxanthrone is solid in form, yellow in color, generally soluble and effective at low concentrations. Absorption wavelength 250 ~ 400nm.
| Item | Specification |
| Melting point | 76 °C |
| Boiling point | 398.9±32.0 °C(Predicted) |
| Density | 1.199±0.06 g/cm3(Predicted) |
| Vapor pressure | 0Pa at 20℃ |
| Flash point | 210 °C |
| LogP | 5.59 at 20℃ |
2-Isopropylthioxanthone (ITX) CAS 5495-84-1 is a high-performance photosensitizer and photoinitiator widely used in UV-curing systems. It has excellent absorption in the UV-visible range and is especially suitable for colored UV inks and offset printing systems.
Main applications include:
- UV offset printing inks
- Flexographic and screen printing inks
- UV coatings and varnishes
- UV adhesives and electronic materials
- Paper, plastic, and packaging printing systems
- High-performance formulations used with photoinitiator products
ITX is commonly used together with “Photoinitiator EDB”, “Photoinitiator EMK”, and “DETX” to improve curing efficiency and surface drying performance in UV-curable formulations.
- Excellent photosensitivity and UV absorption capability
- Fast curing speed in UV ink systems
- Especially suitable for pigmented and colored formulations
- Good compatibility with amine synergists and acrylate systems
- Improves surface curing and printing efficiency
- Widely used in advanced UV curing chemical solutions
As a professional photoinitiator manufacturer, Unisunchem supplies stable-quality ITX products for industrial UV-curing applications worldwide.
25kg/drum or according to customer requirements.
Q1:What is 2-Isopropylthioxanthone used for?
2-Isopropylthioxanthone is mainly used as a photoinitiator and photosensitizer in UV-curable inks, coatings, and adhesives. It is especially suitable for offset printing inks.
Q2:Is ITX suitable for UV printing inks?
Yes. ITX has excellent performance in UV offset inks, flexographic inks, and screen-printing systems due to its high photosensitivity and curing efficiency.
Q3:Can ITX be used together with other photoinitiators?
Yes. ITX is commonly combined with “Photoinitiator EDB”, “Photoinitiator EMK”, and “DETX” to enhance curing speed and overall photocuring performance.
Q4:What are the advantages of ITX in UV curing systems?
ITX provides fast curing, excellent UV absorption, strong compatibility with colored systems, and improved surface drying in industrial UV applications.
Q5:Why choose Unisunchem as your supplier?
Unisunchem is a professional UV additives manufacturer specializing in photoinitiators, UV absorbers, and UV-curing raw materials for global industrial customers.
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