Dimethyl sulfite
- CAS No.
- 616-42-2
- Chemical Name:
- Dimethyl sulfite
- Synonyms
- tl159;(CH3O)2SO;METHYL SULFITE;imethylsulfite;DiMethyl sulfit;DIMETHYL SULFITE;Dimethyl sulphite;dimethoxysulfoxide;Dimethoxy sulfoxide;Dimethyl sulfite,99%
- CBNumber:
- CB7176036
- Molecular Formula:
- C2H6O3S
- Molecular Weight:
- 110.13
- MOL File:
- 616-42-2.mol
- Modify Date:
- 2023/11/28 16:31:43
| Melting point | 0°C |
|---|---|
| Boiling point | 126-127 °C (lit.) |
| Density | 1.294 g/mL at 25 °C (lit.) |
| refractive index |
n |
| Flash point | 106 °F |
| storage temp. | Flammables area |
| form | Liquid |
| color | Clear colorless to pale yellow |
| Water Solubility | soluble |
| BRN | 1700256 |
| Dielectric constant | 22.5（23℃） |
| CAS DataBase Reference | 616-42-2(CAS DataBase Reference) |
| NIST Chemistry Reference | Sulfurous acid, dimethyl ester(616-42-2) |
| EPA Substance Registry System | Sulfurous acid, dimethyl ester (616-42-2) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |   GHS02,GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H226-H315-H319-H335 | |||||||||
| Precautionary statements | P210-P302+P352-P305+P351+P338 | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 10-36/37/38 | |||||||||
| Safety Statements | 26-36-24/25-16 | |||||||||
| RIDADR | UN 1993 3/PG 3 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | WT3512000 | |||||||||
| HazardClass | 3.2 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 29209085 | |||||||||
| NFPA 704 |
|
Dimethyl sulfite price More Price(3)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | 108618 | Dimethyl sulfite 99% | 616-42-2 | 100G | ₹9125.48 | 2022-06-14 | Buy |
| TCI Chemicals (India) | D0264 | Dimethyl Sulfite min. 99.0 % | 616-42-2 | 25G | ₹2200 | 2022-05-26 | Buy |
| TCI Chemicals (India) | D0264 | Dimethyl Sulfite min. 99.0 % | 616-42-2 | 500G | ₹29300 | 2022-05-26 | Buy |
Dimethyl sulfite Chemical Properties,Uses,Production
Chemical Properties
CLEAR COLORLESS TO PALE YELLOW LIQUID
Uses
The conformations and vibrational spectra of dimethyl sulfite was studied by matrix-isolation fourier transform infrared spectroscopy and to study its conformational selective aggregation. It may be used in organic synthesis.
Preparation
Dimethyl sulfite is prepared from a 1:2 ratio of thionyl chloride and methanol. The reaction can be catalyzed by tertiary amine bases and likely proceeds via the chlorosulfinate (MeOS(O)Cl), this intermediate will exist only fleetingly in the presence of methanol and as such its decomposition to methyl chloride and sulfur dioxide (via the slower SNi mechanism) is not observed to any great extent.
SOCl2 + 2 CH3OH → (CH3O)2SO + 2 HCl
Application
The conformations and vibrational spectra of dimethyl sulfite was studied by matrix-isolation fourier transform infrared spectroscopy and to study its conformational selective aggregation.
Dimethyl sulfite may be used in organic synthesis. It is used as an additive in some polymers to prevent oxidation. It is also a potentially useful high energy battery electrolyte solvent.
General Description
Dimethyl sulfite is an insect repellent and also experimentally identified as a mutagenic agent.
Dimethyl sulfite Preparation Products And Raw materials
Raw materials
Preparation Products
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