2-METHYL-1,3-DITHIANE
2-METHYL-1,3-DITHIANE Basic information
- Product Name:
- 2-METHYL-1,3-DITHIANE
- Synonyms:
-
- 2-methyl-3-dithiane
- 2-methyl-m-dithian
- 2-Methyl-m-dithiane
- Acetaldehyde, cyclic trimethylene mercaptal
- m-Dithiane, 2-methyl-
- Methyl-2 dithiane-1,3
- methyl-2dithiane-1,3
- 2-Methyl-1,3-dithiane 98%
- CAS:
- 6007-26-7
- MF:
- C5H10S2
- MW:
- 134.26
- EINECS:
- 227-859-6
- Product Categories:
-
- Building Blocks
- Chemical Synthesis
- Heterocyclic Compounds
- Ring Systems
- Heterocyclic Building Blocks
- Heterocyclic Building Blocks
- Others
- S-Containing
- Mol File:
- 6007-26-7.mol
2-METHYL-1,3-DITHIANE Chemical Properties
- Boiling point:
- 56-59 °C/3 mmHg (lit.)
- Density
- 1.121 g/mL at 25 °C (lit.)
- refractive index
- n20/D 1.560(lit.)
- Flash point:
- 180 °F
- form
- Liquid
- color
- Colorless to brown
- Odor
- at 0.10 % in dipropylene glycol. sulfurous
- Odor Type
- sulfurous
- Water Solubility
- Not miscible or difficult to mix in water. Soluble in alcohol.
- BRN
- 102766
- LogP
- 2.265 (est)
- CAS DataBase Reference
- 6007-26-7(CAS DataBase Reference)
Safety Information
- Safety Statements
- 23-24/25
- RIDADR
- 3334
- WGK Germany
- 3
- RTECS
- JO5263000
- HS Code
- 2934999090
MSDS
- Language:English Provider:SigmaAldrich
- Language:English Provider:ALFA
2-METHYL-1,3-DITHIANE Usage And Synthesis
Uses
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.]
2-METHYL-1,3-DITHIANE Preparation Products And Raw materials
Raw materials
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2-METHYL-1,3-DITHIANE(6007-26-7)Related Product Information
- 2-METHYL-1,3-DITHIANE
- 2-ISOBUTYL-1,3-DITHIANE
- 2-PHENYL-1,3-DITHIANE
- Ethyl 1,3-dithiane-2-carboxylate
- 4-(1,3-Dithian-2-yl)benzonitrile, 97%
- 2,2'-ETHYLENEBIS(1,3-DITHIANE)
- 2-(3,4-Dimethoxyphenyl)-N-(3,4-dimethoxyphenethyl)-N-methyl-1,3-dithiane-2-propan-1-amine 1,1,3,3-tetraoxide
- Dimeric mercapto propanone
- 1,3-Dithiane
- 3-(1,3-DITHIAN-2-YL)-PENTANE-2,4-DIONE
- BIS(1,3-DITHIAN-2-YL)METHANE
- 4-(1,3-dithian-2-yl)phenyl 2,3,4,5,6-pentamethylbenzenesulfonate
- 2-(2-[(4-CHLOROPHENYL)SULFANYL]-5-NITROPHENYL)-1,3-DITHIANE
- RARECHEM AM UA 0011
- 4-(1,3-DITHIAN-2-YL)PHENYL 2,4,6-TRIMETHYLBENZENESULFONATE
- 4-(1,3-DITHIAN-2-YL)PHENYL 4-FLUOROBENZENESULFONATE
- 2-(5-BROMO-2-METHOXYPHENYL)-1,3-DITHIANE
- 4-(1,3-DITHIAN-2-YL)PHENYL 4-BROMOBENZENESULFONATE