2-乙酰基-3-甲基吡嗪（CAS 23787-80-6）：分子式 C7H8N2O、分子量 136.15。
| CAS号 | 23787-80-6 |
|---|---|
| 分子式 | C7H8N2O |
| 分子量 | 136.15 |
| 沸点 | 265.00 to 266.00 °C. @ 760.00 mm Hg |
| LogP | 0.2 |
| 应用领域 | Use Classification: Fragrance Ingredients、Flavoring Agents -> JECFA Flavorings Index、Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes、General Manufacturing Information: Ethanone、1-(3-methyl-2-pyrazinyl)-: ACTIVE |
登记用途：Use Classification: Fragrance Ingredients、Flavoring Agents -> JECFA Flavorings Index、Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes、General Manufacturing Information: Ethanone、1-(3-methyl-2-pyrazinyl)-: ACTIVE。
2-乙酰基-3-甲基吡嗪 是一种化工化合物，登记 CAS 号为 23787-80-6，分子式 C7H8N2O（分子量 136.15）。
登记 CAS 号：23787-80-6
其分子式 C7H8N2O 由 7 个碳、8 个氢、2 个氮、1 个氧 组成。
别名/同义词：2-乙酰基-3-甲基吡嗪 · 2-Acetyl-3-methylpyrazine
2-乙酰基-3-甲基吡嗪 的 CAS 登记号为 23787-80-6。
分子式 C7H8N2O，分子量 136.15。
别名/同义词：2-乙酰基-3-甲基吡嗪、2-Acetyl-3-methylpyrazine。
登记用途：Use Classification: Fragrance Ingredients、Flavoring Agents -> JECFA Flavorings Index、Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes、General Manufacturing Information: Ethanone、1-(3-methyl-2-pyrazinyl)-: ACTIVE。
2-乙酰基-3-甲基吡嗪（CAS 23787-80-6）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 23787-80-6 |
|---|---|
| PubChem CID | 32093 |
| Molecular formula | C7H8N2O |
| IUPAC name | 1-(3-methylpyrazin-2-yl)ethanone |
| UNII (FDA) | 7U5TEW2Y2B |
| FEMA number | 3964 |
| JECFA number | 950 |
| Molecular Weight | 136.15 |
|---|---|
| XLogP3 | 0.2 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Exact Mass | 136.063662883 |
| Monoisotopic Mass | 136.063662883 |
| Topological Polar Surface Area | 42.9 |
| Heavy Atom Count | 10 |
| Boiling Point | 265.00 to 266.00 °C. @ 760.00 mm Hg |
|---|---|
| Boiling Point | 90 °C (20 mm Hg) |
| Density | 1.105-1.114 |
| Refractive Index | 1.521-1.523 |
2-ACETYL-3-METHYLPYRAZINE; 1-(3-methylpyrazin-2-yl)ethanone; 1-(3-methylpyrazin-2-yl)ethan-1-one; Ethanone, 1-(3-methylpyrazinyl)-; 2-Methyl-3-acetylpyrazine; 1-(3-Methylpyrazinyl)ethan-1-one; 3-Acetyl-2-methylpyrazine; UNII-7U5TEW2Y2B; 7U5TEW2Y2B; Pyrazine, 2-acetyl-3-methyl; Pyrazine, 3-acetyl-2-methyl; Ethanone, 1-(3-methyl-2-pyrazinyl)-; 1-(3-Methyl-2-pyrazinyl)ethanone; EINECS 245-889-8; 1-[3-Methyl-2-pyrazinyl]-1-ethanone; DTXSID7066932
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent No safety concern at current levels of intake when used as a flavouring agent TRS 909-JECFA 57/51 |
|---|
| Reported hazard statements | H302 (94.8%) |
|---|
H302 (94.8%): Harmful if swallowed [Warning Acute toxicity, oral]
P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)
2-Acetyl-3-methylpyrazine · CAS 23787-80-6 · C7H8N2O. UNII 7U5TEW2Y2B. Boiling Point: 265.00 to 266.00 °C. @ 760.00 mm Hg; Boiling Point: 90 °C (20 mm Hg); Density: 1.105-1.114.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: 2-Acetyl-3-methylpyrazine