2-(Methylthio)pyrazine
Synonym(s):Methyl pyrazinyl sulfide
- CAS NO.：21948-70-9
- Empirical Formula: C5H6N2S
- Molecular Weight: 126.18
- MDL number: MFCD00041024
- EINECS: 244-675-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 23:30:22
What is 2-(Methylthio)pyrazine?
Chemical properties
White solid
Chemical properties
Pyrazinyl methyl sulfide has an ethereal sulfureous odor
Definition
ChEBI: 2-(Methylthio)pyrazine is an aryl sulfide.
Taste threshold values
FEMA PADI: 0.157 mg
Properties of 2-(Methylthio)pyrazine
| Melting point: | 44 °C |
| Boiling point: | 221.2±20.0 °C(Predicted) |
| Density | 1.19±0.1 g/cm3(Predicted) |
| FEMA | 3231 | PYRAZINYL METHYL SULFIDE |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | soluble in Methanol |
| form | solid |
| pka | 0.10±0.10(Predicted) |
| color | White to Orange to Green |
| Odor | nutty, sweet, meaty, slightly green flavor |
| JECFA Number | 796 |
| BRN | 878423 |
| CAS DataBase Reference | 21948-70-9(CAS DataBase Reference) |
| NIST Chemistry Reference | Pyrazine, (methylthio)-(21948-70-9) |
| EPA Substance Registry System | Pyrazine, (methylthio)- (21948-70-9) |
Safety information for 2-(Methylthio)pyrazine
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H318:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2-(Methylthio)pyrazine
| InChIKey | KBPBOWBQRUXMFV-UHFFFAOYSA-N |
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