2-(METHYLTHIO)ETHANOL
Synonym(s):2-(Methylmercapto)ethanol;2-Hydroxyethyl methyl sulfide
- CAS NO.：5271-38-5
- Empirical Formula: C3H8OS
- Molecular Weight: 92.16
- MDL number: MFCD00002908
- EINECS: 226-090-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-03 14:17:14
What is 2-(METHYLTHIO)ETHANOL?
Chemical properties
CLEAR COLOURLESS LIQUID
Chemical properties
2-(Methylthio)ethanol has a powerful, meat-like aroma.
Occurrence
Reportedly present in melon, tomato, durian (Durio zibethinus) and shrimp (cooked, roasted)
The Uses of 2-(METHYLTHIO)ETHANOL
2-(Methylthio)ethanol is used as an important raw material and intermediate used in organic synthesis, pharmaceuticals, agrochemicals and dyestuffs.
Definition
ChEBI: A primary alcohol that is the S-methyl derivative of mercaptoethanol. It is found as a volatile component in Cucumis melo Var. cantalupensis.
Aroma threshold values
Detection at 0.12 ppm (water)
General Description
The transient absorption spectrum formed on reaction of H atoms and OH radicals with an aqueous solution of 2-(methylthio)ethanol was studied.
Properties of 2-(METHYLTHIO)ETHANOL
| Boiling point: | 169-171 °C(lit.) |
| Density | 1.06 g/mL at 25 °C(lit.) |
| FEMA | 4004 | 2-(METHYLTHIO)ETHANOL |
| refractive index | n |
| Flash point: | 158 °F |
| storage temp. | Store below +30°C. |
| form | Liquid |
| pka | 14.36±0.10(Predicted) |
| Specific Gravity | 1.060 |
| color | Clear colorless |
| Odor | at 0.10 % in propylene glycol. sulfurous meaty |
| Water Solubility | Not miscible in water. |
| JECFA Number | 1297 |
| BRN | 1731081 |
| CAS DataBase Reference | 5271-38-5(CAS DataBase Reference) |
Safety information for 2-(METHYLTHIO)ETHANOL
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H227:Flammable liquids H302:Acute toxicity,oral H332:Acute toxicity,inhalation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. |
Computed Descriptors for 2-(METHYLTHIO)ETHANOL
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