A5554712
2-methoxypyrazine , 98% , 3149-28-8
CAS NO.：3149-28-8
Empirical Formula: C5H6N2O
Molecular Weight: 110.11
MDL number: MFCD00006126
EINECS: 221-579-8
| Pack Size | Price | Stock | Quantity |
| 1G | RMB23.20 | In Stock |
|
| 5G | RMB24.00 | In Stock |
|
| 25G | RMB89.60 | In Stock |
|
| 100G | RMB349.60 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Boiling point: | 60-61 °C/29 mmHg (lit.) |
| Density | 1.14 g/mL at 25 °C (lit.) |
| FEMA | 3302 | METHOXYPYRAZINE |
| refractive index | n |
| Flash point: | 114 °F |
| storage temp. | Sealed in dry,Room Temperature |
| pka | 0.53±0.10(Predicted) |
| form | clear liquid |
| color | Colorless to Almost colorless |
| Specific Gravity | 1.140 |
| Odor | at 1.00 % in dipropylene glycol. sweet nutty cocoa |
| Odor Type | chocolate |
| JECFA Number | 787 |
| BRN | 2241 |
| LogP | 0.75 |
| CAS DataBase Reference | 3149-28-8(CAS DataBase Reference) |
| NIST Chemistry Reference | Pyrazine, methoxy-(3149-28-8) |
| EPA Substance Registry System | Pyrazine, methoxy- (3149-28-8) |
Description and Uses
Methoxypyrazine has an odor threshold of 700 ppb in water. Methoxypyrazine may be prepared from 2-hydroxypyrazine by various routes.
Safety
| Symbol(GHS) |    GHS02,GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H226-H302-H315-H318-H335 |
| Precautionary statements | P261-P280-P305+P351+P338 |
| Hazard Codes | Xn |
| Risk Statements | 10-22-37/38-41 |
| Safety Statements | 16-26-39 |
| RIDADR | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | III |
| HS Code | 29339990 |
| Limited Quantities | 5.0 L (1.3 gallons) (liquid) |
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L) |
