TRIMETHYLENE SULFIDE
Synonym(s):Thietane
- CAS NO.：287-27-4
- Empirical Formula: C3H6S
- Molecular Weight: 74.14
- MDL number: MFCD00042751
- EINECS: 206-015-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-23 16:59:16
What is TRIMETHYLENE SULFIDE?
Chemical properties
CLEAR COLOURLESS LIQUID
Definition
ChEBI: An organosulfur heterocyclic compound containing a saturated four membered ring with 3 carbon atom and 1 sulfur atom.
Purification Methods
Purify thietane by preparative gas chromatography on a dinonyl phthalate column. It has also been purified by drying over anhydrous K2CO3, and distilling through a 25cm glass helices-packed column (for 14g of thietane), then drying over CaSO4 before sealing it in a vacuum. [Haines et al. J Phys Chem 58 270 1954.] It is characterised as the dimethylsulfonium iodide m 97-98o [Bennett & Hock J Chem Soc 2496 1927]. The S-oxide has b 102o/25mm, n D 1.5075 [Tamres & Searles J Am Chem Soc 81 2100 1959]. [Beilstein 17 I 3, 17 II 12, 17 III/IV 14, 17/1 V 14.]
Properties of TRIMETHYLENE SULFIDE
| Melting point: | -73.24°C |
| Boiling point: | 94-94.5 °C (lit.) |
| Density | 1.028 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 27 °F |
| form | liquid |
| color | Colorless to Almost colorless |
| Specific Gravity | 1.028 |
| BRN | 102383 |
| CAS DataBase Reference | 287-27-4(CAS DataBase Reference) |
| EPA Substance Registry System | Thietane (287-27-4) |
Safety information for TRIMETHYLENE SULFIDE
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H225:Flammable liquids H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. |
Computed Descriptors for TRIMETHYLENE SULFIDE
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