吡嗪，CAS 登记号 290-37-9，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于食用香精；有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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Pyrazine is identified by CAS 290-37-9, molecular formula C4H4N2 and molecular weight 80.04 g/mol. UNII 2JKE371789; ChEBI 30953; InChIKey KYQCOXFCLRTKLS-UHFFFAOYSA-N. Boiling Point: 115.00 to 116.00 °C. @ 760.00 mm Hg; Boiling Point: 115-118 °C; Melting Point: 54 - 56 °C.
| CAS Registry Number | 290-37-9 |
|---|---|
| PubChem CID | 9261 |
| Molecular formula | C4H4N2 |
| Molecular weight | 80.04 g/mol |
| IUPAC name | pyrazine |
| InChIKey | KYQCOXFCLRTKLS-UHFFFAOYSA-N |
| UNII (FDA) | 2JKE371789 |
| ChEBI ID | CHEBI:30953 |
| FEMA number | 4015 |
| JECFA number | 951 |
| Molecular Weight | 80.09 |
|---|---|
| XLogP3 | -0.2 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 80.037448136 |
| Monoisotopic Mass | 80.037448136 |
| Topological Polar Surface Area | 25.8 |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Boiling Point | 115.00 to 116.00 °C. @ 760.00 mm Hg |
|---|---|
| Boiling Point | 115-118 °C |
| Melting Point | 54 - 56 °C |
| LogP | -0.26 |
| LogP | -0.05 |
| Ionization Efficiency | 0.17 |
| Ionization Efficiency | 2.7 |
| Ionization Efficiency | MeCN (80%) |
| Ionization Efficiency | DOI:10.1038/s41598-020-62573-z |
| 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 | H225 (47.9%), H228 (44.2%), H315 (99.4%), H319 (99.4%), H335 (98.8%) |
|---|
H225 (47.9%): Highly Flammable liquid and vapor [Danger Flammable liquids]
H228 (44.2%): Flammable solid [Danger Flammable solids]
PYRAZINE; 290-37-9; 1,4-Diazine; p-Diazine; Paradiazine; Piazine; 1,4-Diazabenzene; pyrazin; 1,4-Diazin; DTXSID8049410; NSC-400221; FEMA NO. 4015; 2JKE371789; CHEMBL15797; CHEBI:30953; RefChem:1113271
CAS 290-37-9; molecular formula C4H4N2; molecular weight 80.04 g/mol.
PYRAZINE, 290-37-9, 1,4-Diazine, p-Diazine, Paradiazine, Piazine.
Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; Flavoring Agents.
Hazard statements reported: H225, H228, H315, H319, H335.
Boiling Point: 115.00 to 116.00 °C. @ 760.00 mm Hg; Boiling Point: 115-118 °C; Melting Point: 54 - 56 °C; LogP: -0.26.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.