3,4-二氢-2H-吡咯（CAS 5724-81-2）：分子式 C4H7N、分子量 69.11。
| CAS号 | 5724-81-2 |
|---|---|
| 分子式 | C4H7N |
| 分子量 | 69.11 |
| 沸点 | 87.00 to 89.00 °C. @ 760.00 mm Hg |
| LogP | -0.3 |
3,4-二氢-2H-吡咯 是一种化工化合物，登记 CAS 号为 5724-81-2，分子式 C4H7N（分子量 69.11）。
登记 CAS 号：5724-81-2
其分子式 C4H7N 由 4 个碳、7 个氢、1 个氮 组成。
别名/同义词：3,4-二氢-2H-吡咯 · 1-Pyrroline
3,4-二氢-2H-吡咯 的 CAS 登记号为 5724-81-2。
分子式 C4H7N，分子量 69.11。
别名/同义词：3,4-二氢-2H-吡咯、1-Pyrroline。
3,4-二氢-2H-吡咯（CAS 5724-81-2）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 5724-81-2 |
|---|---|
| PubChem CID | 79803 |
| Molecular formula | C4H7N |
| Molecular weight | 69.06 g/mol |
| IUPAC name | 3,4-dihydro-2H-pyrrole |
| InChIKey | ZVJHJDDKYZXRJI-UHFFFAOYSA-N |
| UNII (FDA) | 2SK2I7766O |
| ChEBI ID | CHEBI:19092 |
| FEMA number | 3898 |
| JECFA number | 1603 |
| Molecular Weight | 69.11 |
|---|---|
| XLogP3 | -0.3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 69.057849228 |
| Monoisotopic Mass | 69.057849228 |
| Topological Polar Surface Area | 12.4 |
| Heavy Atom Count | 5 |
| Boiling Point | 87.00 to 89.00 °C. @ 760.00 mm Hg |
|---|---|
| Boiling Point | 87-89 °C |
| Density | 0.849-0.855 |
| Refractive Index | 1.440-1.446 |
1-Pyrroline; 3,4-Dihydro-2H-pyrrole; 5724-81-2; 2H-Pyrrole, 3,4-dihydro-; delta(1)-Pyrroline; ISOPYRROLINE; CHEBI:19092; 2SK2I7766O; FEMA NO. 3898; DTXSID10863608; delta-pyrrolinium; RefChem:77214; DTXCID30219007; 227-230-6; EINECS 227-230-6; UNII-2SK2I7766O
| 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 934-JECFA 65/89 |
|---|---|
| GHS notification summary | 100% (89 / 89) |
| GHS notification summary | 100% (89 / 89) |
|---|
This chemical does not meet GHS hazard criteria for 100% (89 of 89) of all reports.
Reported as not meeting GHS hazard criteria by 89 of 89 companies. For more detailed information, please visit ECHA C&L website.
1-Pyrroline is identified by CAS 5724-81-2, molecular formula C4H7N and molecular weight 69.06 g/mol. UNII 2SK2I7766O; ChEBI 19092; InChIKey ZVJHJDDKYZXRJI-UHFFFAOYSA-N. Boiling Point: 87.00 to 89.00 °C. @ 760.00 mm Hg; Boiling Point: 87-89 °C; Density: 0.849-0.855.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: 1-Pyrroline