Pyrazine (CAS 290-37-9) — formula C4H4N2, molecular weight 80.04 g/mol; category organic chemicals.
Pyrazine (CAS 290-37-9) is a organic chemicals. Its molecular formula C4H4N2 comprises 4 C, 4 H, 2 N atoms. Its molecular weight is about 80.04 g/mol. Reported physicochemical data: melting point around 54 - 56 °C, boiling point around 115.00 to 116.00 °C. @ 760.00 mm Hg, LogP about -0.26. Organic chemicals are the largest family of carbon-based compounds, widely used across pharmaceuticals, agrochemicals, materials, cosmetics and food industries. Downstream uses span pharmaceutical ingredients, agrochemicals, dyes, solvents, surfactants, food additives and polymer materials. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 290-37-9 |
|---|---|
| Molecular Formula | C4H4N2 |
| Molecular Weight | 80.04 g/mol |
| Melting Point | 54 - 56 °C |
| Boiling Point | 115.00 to 116.00 °C. @ 760.00 mm Hg |
| LogP | -0.26 |
| Packaging | 25/50kg woven bags, 20/25/50kg fibre drums, 200kg plastic drums, 1000kg IBC (subject to order confirmation) |
| Applications | agrochemicals, dyes, solvents, food additives and polymer materials. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering |
| Category | Organic Chemicals|Flavors |
Documented applications: agrochemicals, dyes, solvents, food additives and polymer materials. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering.
Pyrazine is a carbon-based organic compound with CAS registry number 290-37-9 and molecular formula C4H4N2 (molecular weight 80.04 g/mol), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 290-37-9
Its molecular formula C4H4N2 comprises 4 C, 4 H, 2 N atoms.
Also known as: Pyrazine · 吡嗪
Category: organic chemicals / food flavors
The CAS registry number of Pyrazine is 290-37-9.
Molecular formula C4H4N2, molecular weight 80.04 g/mol.
It is also registered under: Pyrazine, 吡嗪.
Recorded applications: agrochemicals, dyes, solvents, food additives and polymer materials. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering.
Category: Organic Chemicals / Flavors.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Pyrazine (CAS 290-37-9), compiled from public chemistry databases.
| 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 |
| 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 |
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
| 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 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.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 吡嗪