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| CAS No.: | 67-71-0 |
|---|---|
| Name: | Dimethyl sulfone |
| Molecular Structure: | |
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| Formula: | C2H6O2S |
| Molecular Weight: | 94.1344 |
| Synonyms: | Methane,sulfonylbis- (9CI);Methyl sulfone (6CI,8CI);Dimethyl sulfone;Dimethylsulphone;Lignisul MSM;MSM;Methylsulfonylmethane;NSC 63345;Opti MSM;Opti-dimethyl sulfone;Dimethyl sulfone (MSM); |
| EINECS: | 200-665-9 |
| Density: | 1.139 g/cm3 |
| Melting Point: | 107-109 °C(lit.) |
| Boiling Point: | 240.9 °C at 760 mmHg |
| Flash Point: | 132.7 °C |
| Solubility: | 150 g/L (20 °C) in water |
| Appearance: | colourless crystals |
| Safety: | 22-24/25 |
| PSA: | 42.52000 |
| LogP: | 0.74160 |

| Conditions | Yield |
|---|---|
| With sodium periodate; ruthenium-carbon composite In water at 20℃; for 2h; | 100% |
| With C4H9N2O9W In methanol; water at 20℃; for 1.16h; chemoselective reaction; | 99% |
| With anthracene; oxygen; acetic acid In isopropyl alcohol at 75℃; for 2h; Temperature; Irradiation; | 99% |

| Conditions | Yield |
|---|---|
| With sodium molybdate dihydrate; dihydrogen peroxide In methanol; water at 25℃; for 0.5h; Kinetics; Concentration; | 100% |
| With iron(II) perchlorate monohydrate; ozone; acetonitrile | 100% |
| With dihydrogen peroxide; [(η5-C5Me5)Mo(CO)3Cl] In acetonitrile at 35℃; for 2h; | 99% |

| Conditions | Yield |
|---|---|
| With ammonium chloride In tetrahydrofuran at -78℃; for 0.25h; | A 97% B n/a |


| Conditions | Yield |
|---|---|
| With ammonium chloride In tetrahydrofuran at 0℃; | A n/a B 96% |


3-(4-chlorophenyl)-4-dimethylsulfiliminofurazan

A

dimethylsulfone

B

3-(4-chlorophenyl)-4-nitrofurazan

| Conditions | Yield |
|---|---|
| With trifluoroacetyl peroxide In dichloromethane Heating; | A n/a B 96% |

| Conditions | Yield |
|---|---|
| With ammonium chloride In tetrahydrofuran at 0℃; | A n/a B 95% |


3-(4-chlorophenyl)-4-dimethylsulfiliminofurazan

A

dimethylsulfone

B

3-(4-chlorophenyl)-4-nitrofurazan

D

azoxy(4-chlorophenylfurazan)

| Conditions | Yield |
|---|---|
| With 4 A molecular sieve; 3,3-dimethyldioxirane In acetone for 16h; Ambient temperature; | A n/a B n/a C 87% D n/a |


| Conditions | Yield |
|---|---|
| In benzene at 20℃; for 6h; | A n/a B 82% |


| Conditions | Yield |
|---|---|
| With oxygen; dimethyl sulfoxide at -40℃; Irradiation; methylene blue sensitizer; | A 79% B n/a |

dimethylsulfide

A

dimethylsulfone

B

((methyl-d3)sulfonyl)methane-d3

C

dimethyl sulfoxide

| Conditions | Yield |
|---|---|
| With <18O,2H6>DMSO; oxygen; methylene blue In [D3]acetonitrile for 0.166667h; Mechanism; Product distribution; Irradiation; | A 7.4% B n/a C 77.5% |

Product Name: Methyl sulfone (CAS NO.67-71-0)

IUPAC Name: methylsulfonylmethane
Molecular Formula: C2H6O2S
Molecular Weight: 94.132840 g/mol
Appearance: white crystalline flakes, great Stink
Density:1,16 g/cm3
Melting Point: 108-110 °C
Boiling Point: 238 °C
Flash Point: 143 °C
Solubility: water, ethanol, benzene, methanol and acetone, slightly soluble in ether and chloroform
Water Solubility: 150 g/L (20 °C)
Merck: 14,3258
BRN: 1737717
Index of Refraction: 1.402
Molar Refractivity: 20.11 cm3
Molar Volume: 82.5 cm3
Categories: Pharmaceutical Intermediates; Miscellaneous; Nutritional Supplements; Food & Flavor Additives
Methyl sulfone (CAS NO.67-71-0) is used as a high temp solvent for many inorganic and organic substances. It is also used as gas chromatography stationary phase and analytical reagent.
Safety Information of Methyl sulfone (CAS NO.67-71-0):
Safety Statements:22-24/25
22:Do not breathe dust
24/25:Avoid contact with skin and eyes
WGK Germany:1
RTECS:PB2785000
HS Code:29309070
Methyl sulfone , its CAS NO. is 67-71-0, the synonyms are Dimethyl sulfone ; Dimethyl sulphone ; MSM ; Methyl sulfone ; Methylsulfonylmethane ; Sulfonylbismethane ; Dimethyl sulphone ; Methane, 1,1'-sulfonylbis- ; Methane, sulfonylbis- ; Methyl sulfone ; Methane, sulfonylbis- ; Methylsulfonyl methane ; Sulfonylbismethane .