2,4-Diethyl-9H-thioxanthen-9-one
Synonym(s):2,4-Diethylthioxanthone
- CAS NO.：82799-44-8
- Empirical Formula: C17H16OS
- Molecular Weight: 268.37
- MDL number: MFCD00082910
- EINECS: 280-041-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:23:56
What is 2,4-Diethyl-9H-thioxanthen-9-one?
Chemical properties
Yellow to yellow-green solid
The Uses of 2,4-Diethyl-9H-thioxanthen-9-one
Photoinitiator
Flammability and Explosibility
Not classified
Properties of 2,4-Diethyl-9H-thioxanthen-9-one
| Melting point: | 66-70 °C (lit.) |
| Boiling point: | 427.9±45.0 °C(Predicted) |
| Density | 1.178±0.06 g/cm3(Predicted) |
| vapor pressure | 0Pa at 25℃ |
| storage temp. | under inert gas (nitrogen or Argon) at 2–8 °C |
| form | powder to crystal |
| color | Light yellow to Yellow to Orange |
| Water Solubility | 8μg/L at 25℃ |
| InChI | InChI=1S/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 |
| CAS DataBase Reference | 82799-44-8(CAS DataBase Reference) |
| EPA Substance Registry System | 9H-Thioxanthen-9-one, 2,4-diethyl- (82799-44-8) |
Safety information for 2,4-Diethyl-9H-thioxanthen-9-one
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H222:Flammable aerosols H304:Aspiration hazard H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H336:Specific target organ toxicity,single exposure; Narcotic effects H361:Reproductive toxicity H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P202:Do not handle until all safety precautions have been read and understood. P211:Do not spray on an open flame or other ignition source. P251:Pressurized container: Do not pierce or burn, even after use. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P271:Use only outdoors or in a well-ventilated area. P331:Do NOT induce vomiting. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P302+P352:IF ON SKIN: wash with plenty of soap and water. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313:IF exposed or concerned: Get medical advice/attention. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P410+P412:Protect from sunlight. Do not expose to temperatures exceeding 50 oC/122oF. |
Computed Descriptors for 2,4-Diethyl-9H-thioxanthen-9-one
| InChIKey | BTJPUDCSZVCXFQ-UHFFFAOYSA-N |
| SMILES | C1(=O)C2=C(C=CC=C2)SC2=C1C=C(CC)C=C2CC |
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