Dimethyl sulfite

Modify Date: 2025-08-27 15:37:27

Dimethyl sulfite Structure
Dimethyl sulfite structure
 Common Name Dimethyl sulfite
CAS Number 616-42-2 Molecular Weight 110.132
Density 1.3±0.1 g/cm3 Boiling Point 126.0±0.0 °C at 760 mmHg
Molecular Formula C2H6O3S Melting Point N/A
MSDS Chinese USA Flash Point 41.1±0.0 °C
Symbol GHS02 GHS07
GHS02, GHS07		 Signal Word Warning

 Names

Name dimethyl sulfite
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 126.0±0.0 °C at 760 mmHg
Molecular Formula C2H6O3S
Molecular Weight 110.132
Flash Point 41.1±0.0 °C
Exact Mass 110.003761
PSA 54.74000
LogP -0.43
Vapour Pressure 14.4±0.2 mmHg at 25°C
Index of Refraction 1.477
Storage condition Flammables area
Water Solubility soluble

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
WT3512000
CHEMICAL NAME :
Sulfurous acid, dimethyl ester
CAS REGISTRY NUMBER :
616-42-2
BEILSTEIN REFERENCE NO. :
1700256
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C2-H6-O3-S

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LC - Lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>2600 mg/m3/10M
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NDRC** National Defense Research Committee, Office of Scientific Research and Development, Progress Report. Volume(issue)/page/year: NDCrc-132,APR1942

 Safety Information

Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Warning
Hazard Statements H226-H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xi:Irritant;
Risk Phrases R10;R36/37/38
Safety Phrases S26-S36-S24/25-S16
RIDADR UN 1993 3/PG 3
WGK Germany 3
RTECS WT3512000
Packaging Group III
Hazard Class 3.2
HS Code 29209085

 Synthetic Route

Methanol structure

Methanol

CAS#:67-56-1

~10%

Dimethyl sulfite Structure

Dimethyl sulfite

CAS#:616-42-2

Literature: Li, Ai-Wen; Xu, Bin; Wang, Chao-Xian; Zhu, Shi-Zheng Journal of Fluorine Chemistry, 1994 , vol. 69, # 1 p. 85 - 88
dimethoxymethane structure

dimethoxymethane

CAS#:109-87-5

~%

Dimethyl sulfite Structure

Dimethyl sulfite

CAS#:616-42-2

Chloromethyl methyl ether structure

Chloromethyl me...

CAS#:107-30-2

Literature: Journal of Organic Chemistry, , vol. 70, # 23 p. 9618 - 9621
Nitrous acid, methylester structure

Nitrous acid, m...

CAS#:624-91-9

~%

Dimethyl sulfite Structure

Dimethyl sulfite

CAS#:616-42-2

Literature: DE459738 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 16, p. 124
diazomethane structure

diazomethane

CAS#:186581-53-3

~%

Dimethyl sulfite Structure

Dimethyl sulfite

CAS#:616-42-2

Literature: Chemische Berichte, , vol. 90, p. 2106,2112 Zhurnal Obshchei Khimii, , vol. 27, p. 780,782;engl.Ausg.S.855
Methanol structure

Methanol

CAS#:67-56-1

BENZYL SULFITE structure

BENZYL SULFITE

CAS#:35506-85-5

~%

Benzyl methyl ether structure

Benzyl methyl ether

CAS#:538-86-3

Dimethyl sulfite Structure

Dimethyl sulfite

CAS#:616-42-2

Detail
Literature: Journal of Organic Chemistry, , vol. 48, # 21 p. 3847 - 3848
1-chloro-2-(2-chloroethoxysulfinyloxy)ethane structure

1-chloro-2-(2-c...

CAS#:62516-55-6

Dimethyl sulfate structure

Dimethyl sulfate

CAS#:77-78-1

~%

Dimethyl sulfite Structure

Dimethyl sulfite

CAS#:616-42-2

Ethanol, 2-chloro-,1,1'-sulfate structure

Ethanol, 2-chlo...

CAS#:5411-48-3

Literature: Annales de Chimie (Cachan, France), , vol. <11>6, p. 524,525 Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, , vol. 190, p. 56
Methanol structure

Methanol

CAS#:67-56-1

BENZYL SULFITE structure

BENZYL SULFITE

CAS#:35506-85-5

~%

Benzyl methyl ether structure

Benzyl methyl ether

CAS#:538-86-3

Dimethyl sulfite Structure

Dimethyl sulfite

CAS#:616-42-2

Detail
Literature: Journal of Organic Chemistry, , vol. 48, # 21 p. 3847 - 3848
Pyridine structure

Pyridine

CAS#:110-86-1

Methanol structure

Methanol

CAS#:67-56-1

2-chloroethyl chlorosulphite structure

2-chloroethyl c...

CAS#:41239-98-9

~%

Dimethyl sulfite Structure

Dimethyl sulfite

CAS#:616-42-2

Detail
Literature: Zhurnal Obshchei Khimii, , vol. 3, p. 311,312 Chem. Zentralbl., , vol. 105, # II p. 40
Methanol structure

Methanol

CAS#:67-56-1

4-(tert-Butyl)phenyl trifluoromethanesulfonate structure

4-(tert-Butyl)p...

CAS#:154318-75-9

~0%

Formic Acid structure

Formic Acid

CAS#:64-18-6

N/A structure

N/A

CAS#:253185-03-4

Detail
Literature: Photochemical and Photobiological Sciences, , vol. 10, # 1 p. 123 - 127

 Customs

HS Code 29209085

 Articles5

More Articles
Matrix isolation FTIR spectroscopic and theoretical study of dimethyl sulfite.

J. Phys. Chem. A 109(16) , 3578-86, (2005)

The preferred conformations of dimethyl sulfite and their vibrational spectra were studied by matrix-isolation Fourier transform infrared spectroscopy and theoretical methods (density functional theor...

[Effect of design and operation parameters on volatile alkylsulfides removal in subsurface constructed wetlands].

Huan Jing Ke Xue 31(2) , 345-51, (2010)

A pilot-scale subsurface constructed wetland wastewater treatment system was sampled for one year to study the effects of bed aspect ratio, substrate medium size, water depth, HLR (hydraulic loading r...

The reaction of chicken liver sulfite oxidase with dimethylsulfite.

Biochim. Biophys. Acta 1253(2) , 133-5, (1995)

We have undertaken a steady-state and rapid kinetic study of the reaction of enzyme with sulfite and dimethylsulfite. Methylation of sulfite results in a significant increase in Km and Kd for the subs...

 Synonyms

MFCD00008415
EINECS 210-481-0
methoxy sulfoxide
Sulfurous acid, dimethyl ester
Dimethyl sulfite
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