methyl hydrogen sulphate
- CAS NO.：75-93-4
- Empirical Formula: CH4O4S
- Molecular Weight: 112.11
- EINECS: 200-916-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:32:25
What is methyl hydrogen sulphate?
Chemical properties
liquid
Definition
ChEBI: An alkyl sulfate that is the monomethyl ester of sulfuric acid.
Description
The significance of methyl hydrogen sulphate is that it is an intermediate in the hydrolysis of the important reagent dimethyl sulfate, (CH3)2SO4.
Use
Methyl bisulfate's conjugate base is used as a counterion in the formulation of some pharmaceutical drugs, where it is typically referred to as metilsulfate.
Properties of methyl hydrogen sulphate
| Melting point: | <-30 °C |
| Boiling point: | 77-79 °C(Press: 2 Torr) |
| Density | d415 1.45-1.47 |
| refractive index | 1.4490 (estimate) |
| pka | -3.35±0.15(Predicted) |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
Safety information for methyl hydrogen sulphate
Computed Descriptors for methyl hydrogen sulphate
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