3149-28-8
2-methoxypyrazine
CAS: 3149-28-8
Molecular Formula: C5H6N2O
3149-28-8 - Names and Identifiers
| Name | 2-methoxypyrazine |
| Synonyms | FEMA 3302 METHOXYPYRAZINE Methoxypyrazine methoxy-pyrazin FEMA NUMBER 3302 2-methoxypyrazine 2-METHOXYPYRAZINE METHOXYPYRAZINE, 2- |
| CAS | 3149-28-8 |
| EINECS | 221-579-8 |
| InChI | InChI=1/C5H6N2O/c1-8-5-4-6-2-3-7-5/h2-4H,1H3 |
3149-28-8 - Physico-chemical Properties
| Molecular Formula | C5H6N2O |
| Molar Mass | 110.11 |
| Density | 1.14 g/mL at 25 °C (lit.) |
| Boling Point | 60-61 °C/29 mmHg (lit.) |
| Flash Point | 114°F |
| JECFA Number | 787 |
| Vapor Presure | 4.24mmHg at 25°C |
| Appearance | clear liquid |
| Specific Gravity | 1.140 |
| Color | Colorless to Almost colorless |
| BRN | 2241 |
| pKa | 0.53±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | n20/D 1.509(lit.) |
| Physical and Chemical Properties | Colorless to yellow liquid, with a kernel-like and cocoa bean aroma. Boiling Point 61 °c [3866PA (29mmHg)]. Soluble in ethanol, insoluble in water. |
| Use | For daily use, food flavor |
3149-28-8 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R10 - Flammable R22 - Harmful if swallowed R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. |
| UN IDs | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29339990 |
| Hazard Class | 3 |
| Packing Group | III |
3149-28-8 - Upstream Downstream Industry
| Raw Materials | Sodium methoxide |
3149-28-8 - Reference Information
| FEMA | 3302 | METHOXYPYRAZINE |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| content analysis | gas chromatography analysis with non-polar column according to GT-10-4. |
| toxicity | GRAS(FEMA). |
| usage limit | FEMA(mg/kg): soft drink 10; Cold drink 10; Candy 10; Baked goods 10; Pudding 10; Dairy products 10; Meat, meat sauce, soup 10; Cereal 10. |
| use | GB 2762002 specifies food spices that are allowed to be used. It is mainly used for preparing roasted essence. Used as daily and edible essence |
| Production method | is obtained by methylation of 2-hydroxypyrazine. |
Last Update：2024-04-09 21:01:54
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Raw Materials for 3149-28-8