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| CAS No.: | 82799-44-8 |
|---|---|
| Name: | 2,4-Diethyl-9H-thioxanthen-9-one |
| Molecular Structure: | |
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| Formula: | C17H16OS |
| Molecular Weight: | 268.379 |
| Synonyms: | Diethylthioxanthone;2,4-Diethylthioxanthone;9H-Thioxanthen-9-one,2,4-diethyl-;Kayacure DETX;Kayacure DETX-S;Speedcure DETX; |
| EINECS: | 280-041-0 |
| Density: | 1.178 g/cm3 |
| Melting Point: | 66-70 ºC |
| Boiling Point: | 427.9 ºC at 760 mmHg |
| Flash Point: | 237.3 ºC |
| Solubility: | insoluble in water |
| Appearance: | pale yellow powder |
| Safety: | 24/25 |
| PSA: | 45.31000 |
| LogP: | 4.53950 |
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Chemistry
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IUPAC Name: 2,4-Diethylthioxanthen-9-one
Molecular Formula: C17H16OS
Molecular Weight: 268.37 g/mol
Canonical SMILES: c12c(sc3c(c1=O)cccc3)c(CC)cc(c2)CC
InChI: InChI=1/C17H16OS/c1-3-11-9-12(4-2)17-14(10-11)16(18)13-7-5-6-8-15(13)19-17/h5-10H,3-4H2,1-2H3
EINECS: 280-041-0
Classification Code: TSCA Flag P; TSCA Flag S
Product Categories: Functional Materials; Photopolymerization Initiators; Organic Photoinitiators; Polymerization Initiators; Thioxanthones
XLogP3-AA: 5.1
H-Bond Acceptor: 1
Surface Tension: 47.8 dyne/cm
Density: 1.178 g/cm3
Flash Point: 237.3 °C
Enthalpy of Vaporization: 68.29 kJ/mol
Boiling Point: 427.9 °C at 760 mmHg
Melting Point: 66-70 °C(lit.)
Vapour Pressure of 2,4-Diethyl-9H-thioxanthen-9-one (CAS NO.82799-44-8): 1.58E-07 mmHg at 25 °C
Uses
2,4-Diethyl-9H-thioxanthen-9-one (CAS NO.82799-44-8) is a highly effective photoinitator, which is mainly used to initiate the photopolymerization of unsaturated prepolymers, and used in UV curing inks, wood coatings, paper coatings, optical fiber, PCB, screen printing , paper varnish and other surface coatings.
Safety Profile
WGK Germany of 2,4-Diethyl-9H-thioxanthen-9-one (CAS NO.82799-44-8): 3
Standards and Recommendations
Assay(GC): 99.0% min
Volatile: 0.2% max
Ash: 0.1% max
Solution Clarity: Clear(10% in toluene)
Specification
2,4-Diethyl-9H-thioxanthen-9-one (CAS NO.82799-44-8), its Synonyms are 9H-Thioxanthen-9-one, 2,4-diethyl- ; 2,4-Diethylthioxanthenone ; Diethylthioxanthenone .