Specialty Additives Available — Bulk Only

2-Isopropylthioxanthone (ITX)

CAS 5495-84-1 · Formula C16H14OS · MW 254.3 g/mol

Type II thioxanthone photoinitiator/sensitizer used with amine co-initiators for UV-curing pigmented coatings and inks (Coatings & Construction) Extends absorption to longer UV wavelengths for high-speed UV/UV-LED printing and overprint varnish (Industrial Manufacturing) Sensitizes through-cure of pigmented UV-cure plastics and adhesives (Plastics & Polymers)

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CAS Number
5495-84-1
Formula
C16H14OS
Molecular Weight
254.3 g/mol
Material Family
Specialty Additives
At a Glance
Material Family
Specialty Additives
Primary Role
Crosslinking / Curing
Functional Roles
Applications & Use Cases
  • Type II thioxanthone photoinitiator/sensitizer used with amine co-initiators for UV-curing pigmented coatings and inks (Coatings & Construction)
  • Extends absorption to longer UV wavelengths for high-speed UV/UV-LED printing and overprint varnish (Industrial Manufacturing)
  • Sensitizes through-cure of pigmented UV-cure plastics and adhesives (Plastics & Polymers)
Safety & Handling
Full SDS available on request

A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.

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Chemical Identity
CAS Number
5495-84-1
Molecular Formula
C16H14OS
Molecular Weight
254.3 g/mol
IUPAC Name
2-propan-2-ylthioxanthen-9-one
PubChem CID
InChI Key
KTALPKYXQZGAEG-UHFFFAOYSA-N
XLogP
5.1
Full Description

Type II thioxanthone photoinitiator/sensitizer used with amine co-initiators for UV-curing pigmented coatings and inks (Coatings & Construction) Extends absorption to longer UV wavelengths for high-speed UV/UV-LED printing and overprint varnish (Industrial Manufacturing) Sensitizes through-cure of pigmented UV-cure plastics and adhesives (Plastics & Polymers)

Frequently Asked Questions

What is 2-Isopropylthioxanthone (ITX) (CAS 5495-84-1)?

2-Isopropylthioxanthone (ITX) (CAS 5495-84-1) is a crosslinking / curing agent supplied by RawSource in bulk. Type II thioxanthone photoinitiator/sensitizer used with amine co-initiators for UV-curing pigmented coatings and inks (Coatings & Construction)

What is the molecular formula and weight of 2-Isopropylthioxanthone (ITX)?

Molecular formula C16H14OS, molecular weight 254.3 g/mol. IUPAC name: 2-propan-2-ylthioxanthen-9-one

Is 2-Isopropylthioxanthone (ITX) hazardous?

Yes

Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.