2-Methyl-3-(methylthio)pyrazine
Synonym(s):Popcorn thiopyrazine
- CAS NO.：2882-20-4
- Empirical Formula: C6H8N2S
- Molecular Weight: 140.21
- MDL number: MFCD00014610
- EINECS: 220-736-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:25:05
What is 2-Methyl-3-(methylthio)pyrazine?
Chemical properties
clear colorless liquid
Chemical properties
2-Methyl-3(or 5 or 6)-methylthiopyrazine has a roasted almond, hazelnut and vegetable aroma.
Preparation
From 2-methylchloropyrazine; a mixture of 2-methyl-3-methylthiopyrazine, 2-methyl-5-methylthiopyrazine, and 2-methyl-6-methylthiopyrazine is obtained.
Definition
ChEBI: 2-Methyl-(3 or 5 or 6)-(methylthio)pyrazine (mixture of isomers) is an aryl sulfide.
Aroma threshold values
Detection: 4 to 60 ppb. Aroma characteristics at 1.0%: toasted popcorn, roasted almond, hazelnut, peanut and cashewnutty, with a caramellic and corn-chip nuance.
Taste threshold values
Taste characteristics at 3 to 10 ppm: nutty, roasted and earthy with coffee and corn nuances, peanut and pecan nutty, popcorn and corn chip–like with a burnt musty nuance.
Properties of 2-Methyl-3-(methylthio)pyrazine
| Boiling point: | 213-214 °C (lit.) |
| Density | 1.15 g/mL at 25 °C (lit.) |
| refractive index | n |
| FEMA | 3208 | (METHYLTHIO)METHYLPYRAZINE (MIXTURE OF ISOMERS) |
| Flash point: | 210 °F |
| storage temp. | Sealed in dry,Room Temperature |
| form | clear liquid |
| pka | 0.88±0.10(Predicted) |
| color | Colorless to Almost colorless |
| Odor | at 0.10 % in propylene glycol. roasted meat nutty almond vegetable |
| JECFA Number | 797 |
| CAS DataBase Reference | 2882-20-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Pyrazine, 2-methyl-3-(methylthio)-(2882-20-4) |
| EPA Substance Registry System | Pyrazine, 2-methyl-3-(methylthio)- (2882-20-4) |
Safety information for 2-Methyl-3-(methylthio)pyrazine
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319: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. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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-Methyl-3-(methylthio)pyrazine
New Products
Cis-Tosylate Dibenzoyl-L-tartaric acid Anhydrous (Resolution Reagent) 2,6-Dipicolic Acid 1,2,3,9-Tetrahydro-9-Methyl-4H-Carbazole-4-One Dibenzo[b,f][1,4]thiazepin-11(10H)-one N-BOC-piperidine-4-carboxylic acid 1-Benzhydrylazetane-3-carbonitrile AMINO-(3-CHLORO-PHENYL)-ACETIC ACID 2-(2-Chlorophenyl)glycine (±)-amino(2-fluorophenyl)acetic acid 8-oxa-1,3-diazaspiro[4.5]decane-2,4-dione MEHYL AMINE-D3.HCL METHANE SULFONIC ACID-D4 PHOSPORIC ACID-D3 85 W% IN D2O DEUTERIUM OXIDE FOR NMR TOLUENE-D3 BENZENE-D6 1-(3-Chlorophenyl)piperazine hydrochlorideRelated products of tetrahydrofuran
You may like
-
2-Methyl-3-(methylthio)pyrazine CAS 2882-20-4View Details
2882-20-4 -
7292-71-9 AMINO-(3-CHLORO-PHENYL)-ACETIC ACID 98+View Details
7292-71-9 -
84145-28-8 98+View Details
84145-28-8 -
2-(2-Chlorophenyl)glycine 98+View Details
88744-36-9 -
7292-71-9 AMINO-(3-CHLORO-PHENYL)-ACETIC ACID 98+View Details
7292-71-9 -
84145-28-8 98+View Details
84145-28-8 -
2-(2-Chlorophenyl)glycine 98+View Details
88744-36-9 -
8-oxa-1,3-diazaspiro[4.5]decane-2,4-dione 39124-19-1 98+View Details
39124-19-1
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.