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Basic Information
| CAS No.: | 75-93-4 |
|---|---|
| Name: | methyl hydrogen sulphate |
| Molecular Structure: | |
|
|
|
| Formula: | CH4 O4 S |
| Molecular Weight: | 112.106 |
| Synonyms: | Methylsulfate (7CI); Methylsulfuric acid (6CI); Methoxysulfonic acid; Methylbisulfate; Methyl hydrogen sulfate; Monomethyl sulfate |
| EINECS: | 200-916-2 |
| Density: | d415 1.45-1.47 |
| Melting Point: | <-30 °C |
| Boiling Point: | 77 - 79 C at 2 mm Hg |
| Appearance: | liquid |
| PSA: | 71.98000 |
| LogP: | 0.51640 |
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Synthetic route
Conditions
| Conditions | Yield |
|---|---|
| With chlorosulfonic acid at 20℃; for 0.5h; | 94% |
- 34557-54-5
methane
- 75-93-4
methyl bisulfate
Conditions
| Conditions | Yield |
|---|---|
| With dichlorobis(dimethylsulfoxide)platinum(II); sulfuric acid; sulfur trioxide at 180℃; under 15001.5 Torr; for 3h; Autoclave; | 87.5% |
| With cis-dichlorobis(dimethylsulfoxide)platinum(II); sulfur trioxide at 180℃; under 26252.6 Torr; for 3h; Reagent/catalyst; | 85.1% |
| With sulfuric acid; chlorine at 175℃; |
- 34557-54-5
methane
A
- 75-93-4
methyl bisulfate
B
- 124-38-9
carbon dioxide
C
- 7446-09-5
sulfur dioxide
D
- 7732-18-5
water
Conditions
| Conditions | Yield |
|---|---|
| With fuming sulfuric acid; platinum at 180℃; under 18751.9 - 26252.6 Torr; for 3h; Temperature; Pressure; | A 82.1% B n/a C n/a D n/a |
...Expand
- 624-92-0
Dimethyldisulphide
A
- 75-75-2
methanesulfonic acid
B
- 2949-92-0
methanethiosulfonic acid S-methyl ester
C
- 75-93-4
methyl bisulfate
D
- 666-15-9
methyl methanesulfinate
Conditions
| Conditions | Yield |
|---|---|
| With oxygen In methanol at 30 - 40℃; for 9.5h; Irradiation; with Pyrex Filter; | A 7.1% B 6.2% C n/a D n/a |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| In water for 1h; Mechanism; Hydrolysis depending on time; | 5.2% |
- 21511-55-7, 34643-89-5
(methoxymethylidene)dimethylammonium methyl sulfate
- 75-93-4
methyl bisulfate
Conditions
| Conditions | Yield |
|---|---|
| In water for 1h; Mechanism; Hydrolysis depending on time; | 1% |
...Expand
- 67-56-1
methanol
- 812-01-1
methyl chlorosulfate
A
- 74-87-3
methylene chloride
B
- 75-93-4
methyl bisulfate
C
- 77-78-1
dimethyl sulfate
Conditions
| Conditions | Yield |
|---|---|
| at -15 - -10℃; und folgenden Destillieren unter vermindertem Druck; |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| With sulfuric acid Equilibrium constant; K = 4.4; | |
| With sulfuric acid at 32.5℃; Rate constant; Equilibrium constant; Thermodynamic data; energy of activation, ΔS(excit.); | |
| With sulfuric acid-d2 In water-d2 at 25℃; Rate constant; Mechanism; |
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