Methylthioethane
- CAS NO.：624-89-5
- Empirical Formula: C3H8S
- Molecular Weight: 76.16
- MDL number: MFCD00009268
- EINECS: 210-868-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-23 16:59:16
What is Methylthioethane?
Chemical properties
clear colorless liquid
Chemical properties
Methyl ethyl sulfide has a cabbage-like odor.
Occurrence
Reported found in tomato, cooked chicken, beef and pork, rum, bourbon, whiskey, cocoa and coffee
The Uses of Methylthioethane
Ethyl Methyl Sulfide is used as a corrosion inhibitor for zinc metal which finds wide applications like electrode material in batteries, sacrificial anodes and metallic coatings. It is used in mixtures designed to odorize natural gas and is made to by-pass injection system.
Aroma threshold values
Aroma characteristics at 0.1%: sulfurous, tomato and cabbage vegetative with dimethyl sulfide, meaty and metallic nuances.
Taste threshold values
Taste characteristics at 0.25 to 2 ppm: sulfurous, vegetative, dimethyl sulfide-like sweet corn notes, eggy, meaty and clam nuances
General Description
Microwave spectra of the trans isomer of ethyl methyl sulfide and its 10 isotopic species has been investigated. Chlorination of ethyl methyl sulfide with N-chlorosuccinimide and sulfuryl chloride has been reported.
Properties of Methylthioethane
| Melting point: | -106 °C (lit.) |
| Boiling point: | 66-67 °C (lit.) |
| Density | 0.842 g/mL at 25 °C (lit.) |
| vapor pressure | 272 mm Hg ( 37.7 °C) |
| refractive index | n |
| FEMA | 3860 | METHYL ETHYL SULFIDE |
| Flash point: | 5 °F |
| storage temp. | Flammables area |
| form | liquid |
| color | Colorless to Light yellow |
| Specific Gravity | 0.842 |
| Odor | at 0.10 % in propylene glycol. sulfury garlic tomato coffee pyridene cabbage vegetable meaty |
| Odor Threshold | 0.00023ppm |
| Water Solubility | Miscible with alcohols and oils. Immiscible with water. |
| JECFA Number | 453 |
| BRN | 1696871 |
| CAS DataBase Reference | 624-89-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Ethane, (methylthio)-(624-89-5) |
| EPA Substance Registry System | Ethyl methyl sulfide (624-89-5) |
Safety information for Methylthioethane
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02 |
| GHS Hazard Statements |
H225:Flammable liquids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P370+P378:In case of fire: Use … for extinction. P403+P235:Store in a well-ventilated place. Keep cool. P501:Dispose of contents/container to..… |
Computed Descriptors for Methylthioethane
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