Molekula
2-Isopropylthioxanthone;4-Isopropylthioxanthone, mixed isomer
2-Isopropylthioxanthone and 4-Isopropylthioxanthone, mixed isomers, is a photoinitiator used in UV-curing applications such as coatings, inks, and adhesives. It exhibits high efficiency in initiating polymerization under UV light. Available with CAS number 5495-84-1, molecular formula C16H14OS, and molecular weight 254.35 g/mol. Stored at ambient temperature. Signal word: Warning. Molekula supplies 2-Isopropylthioxanthone;4-Isopropylthioxanthone, mixed isomer from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
2-Isopropylthioxanthone and 4-Isopropylthioxanthone, mixed isomers, is a photoinitiator used in UV-curing applications such as coatings, inks, and adhesives. It exhibits high efficiency in initiating polymerization under UV light. Available with CAS number 5495-84-1, molecular formula C16H14OS, and molecular weight 254.35 g/mol. Stored at ambient temperature. Signal word: Warning. Molekula supplies 2-Isopropylthioxanthone;4-Isopropylthioxanthone, mixed isomer from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Pale yellow powder |
| Melting Point | 56 - 72°C |
| Loss on Drying | ≤0.5% |
| Assay | ≥98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 5495-84-1 |
| Molecular Formula | C16H14OS |
| Molecular Weight | 254.35 |
| SMILES | CC(C)C1=CC2=C(C=C1)SC3=CC=CC=C3C2=O |
| EC / UN Number | 3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29349990 |
| Tariff Code | 2934999074 |
Safety & GHS
-
Flammable
GHS02
-
Toxic
GHS06
Hazard statements
- H361f Suspected of damaging fertility.
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is 2-Isopropylthioxanthone;4-Isopropylthioxone used for?
It is primarily used as a photoinitiator in UV-curable coatings, inks, and adhesives.
What is the chemical formula and molecular weight?
The formula is C16H14OS with a molecular weight of 254.35 g/mol.
How should this product be stored?
Store at ambient temperature, protected from light and moisture.
What grade is available?
Available as a technical grade; specific purity details can be provided upon request.
Can Molekula supply this in bulk?
Yes, bulk quantities are available; please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS).
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.