2-METHYL-1,3-DITHIANE
- CAS NO.：6007-26-7
- Empirical Formula: C5H10S2
- Molecular Weight: 134.26
- MDL number: MFCD00014652
- EINECS: 227-859-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:20:38
What is 2-METHYL-1,3-DITHIANE?
The Uses of 2-METHYL-1,3-DITHIANE
It has been employed in the synthesis of methyl ketones. 2-Methyl-1,3-dithiane is suitable for use in the preparation of potassium trifluoro(2-methyl-1,3-dithiano)borate.
Synthesis Reference(s)
Tetrahedron Letters, 27, p. 6305, 1986 DOI: 10.1016/S0040-4039(00)87793-X
General Description
2-Methyl-1,3-dithiane is a versatile acyl anion equivalent. Role of hyperconjugation in the conformational analysis of 2-methyl-1,3-dithiane has been reported.
Purification Methods
Wash the dithiane with H2O, 2.5 M aqueous NaOH, H2O, brine, dry over K2CO3 (use toluene as solvent if the volume of reagent is small), filter, evaporate and distil the colourless residue. IR film: 1455, 1371 and 1060 (all medium and CH3), 1451m, 1422s, 1412m, 1275m, 1236m, max 1190m, 1171w, 918m and 866w (all dithiane) cm-1 [Corey & Erickson J Org Chem 36 3553 1971, Seebach & Corey J Org Chem 40 231 1975]. [Beilstein 19 III/IV 49, 19/1 V 53.]
Properties of 2-METHYL-1,3-DITHIANE
| Boiling point: | 56-59 °C/3 mmHg (lit.) |
| Density | 1.121 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 180 °F |
| form | Liquid |
| color | Colorless to brown |
| Odor | at 0.10 % in dipropylene glycol. sulfurous |
| Water Solubility | Not miscible or difficult to mix in water. Soluble in alcohol. |
| BRN | 102766 |
| CAS DataBase Reference | 6007-26-7(CAS DataBase Reference) |
Safety information for 2-METHYL-1,3-DITHIANE
| Signal word | Danger |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H227:Flammable liquids |
| Precautionary Statement Codes |
P403+P235:Store in a well-ventilated place. Keep cool. |
Computed Descriptors for 2-METHYL-1,3-DITHIANE
New Products
Mirtazapine Impurity C/Mirtazapine Lactam Impurity Cyclopropane-1,1-dicarboxylic acid [1]Benzothieno[2,3-c]pyridine, 1,7-dichloro-8-methyl- (S)-3-Fluoro-pyrrolidine hydrochloride Cyclobutylamine 1-Bromo-2-Methoxy-3-Nitrobenzene 3-Oxocyclobutane-1-carboxylicacid (4-Bromophenyl)(3,4-dimethoxyphenyl)methanone N-Nitroso hydroxy Cetrizine EP Impurity-A Noradrenaline EP Impurity D/Noradrenaline Methyl Ether Cetirizine EP Impurity A/Cetirizine CBHP Impurity Lantanoprost rc B Clidinium Bromide Impurity 2-chloro-7-cyclopentyl-N,N-dimethylpyrrolo [2,3-d]pyrimidine-6-carbox amide 4-amino-2-fluoro-N- methylbenzamide N-(2-chloropyrimidin-4-yl)-N,2,3- trimethyl-2H- indazol 6-amine 5-Chloro-3- Methyl -1,3-2-benzoxazol-2(3H)-one 4-Bromo-2-fluoro-N-methylbenzamide N-Boc-1,4-butanediamine 4-Dimethylamino pyridine 2-Chlorotrityl Chloride 4-Bromoaniline 5-Bromo-2-chlorobenzoic acid 1,2,3,9-Tetrahydro-4(H)-carbazol-4-oneRelated products of tetrahydrofuran
![2-[4-(1,3-DITHIAN-2-YL)PHENOXY]THIOACETAMIDE](https://img.chemicalbook.in/StructureFile/ChemBookStructure1/GIF/CB6392181.gif)
![1-[3-CHLORO-5-(TRIFLUOROMETHYL)-2-PYRIDINYL]-3-(1,3-DITHIAN-2-YL)-1H-INDOLE](https://img.chemicalbook.in/StructureFile/ChemBookStructure3/GIF/CB5495119.gif)
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