METHYL MERCAPTO-METHYLPYRAZINES
2-methylthio-3-methylpyrazine
CAS: 2882-20-4;67952-65-2
Molecular Formula: C6H8N2S
METHYL MERCAPTO-METHYLPYRAZINES - Names and Identifiers
METHYL MERCAPTO-METHYLPYRAZINES - Physico-chemical Properties
| Molecular Formula | C6H8N2S |
| Molar Mass | 140.21 |
| Density | 1.15 g/mL at 25 °C (lit.) |
| Boling Point | 213-214 °C (lit.) |
| Flash Point | 210°F |
| JECFA Number | 797 |
| Appearance | clear liquid |
| Color | Colorless to Almost colorless |
| pKa | 0.88±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | n20/D 1.585(lit.) |
| Physical and Chemical Properties | Colorless liquid, strong green pepper aroma, fried almond, fried hazelnut aroma. Boiling point of 105~106 degrees C (1600Pa). The relative density (d4) was 1.142~1.145. Slightly soluble in water, soluble in dilute ethanol solution (1:1,70%;1:5,50%). |
METHYL MERCAPTO-METHYLPYRAZINES - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| UN IDs | UN 3334 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29339900 |
METHYL MERCAPTO-METHYLPYRAZINES - Upstream Downstream Industry
| Raw Materials | Methanethiol,sodium salt |
METHYL MERCAPTO-METHYLPYRAZINES - Reference Information
| FEMA | 3208 | (METHYLTHIO)METHYLPYRAZINE (MIXTURE OF ISOMERS) |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | GB 2760-1996 stipulates that it is allowed to use food spices. It can also be used as a coffee flavour enhancer. |
| Production method | Made from 2-methylchloropyrazine (a mixture of three isomers). |
Last Update：2024-04-10 22:29:15
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Raw Materials for METHYL MERCAPTO-METHYLPYRAZINES